THEORYCIRCUIT

Find every electronics circuit diagram here, Categorized Electronic Circuits and Electronic Projects with well explained operation and how to make it procedure and then New Circuits every day, Enjoy and Discover electronics. ARDUINO DAC TUTORIAL To give more power to Arduino board DAC (Digital to Analog Converter) interfaced through breakout board and detailed Arduino DAC Tutorial given in this article for the best understanding. Here DAC IC MCP4725 based breakout board is used because it is 12-Bit Digital-to-Analog Converter with EEPROM Memory, this IC utilize low power and gives high accuracy output. This IC comes in sot 10 WATT AUDIO AMPLIFIER CIRCUIT Simple 10 Watt Audio Amplifier Circuit designed by using IC LM1875, it can drive 8Ω speaker and gives 10 Watt output. Lower power audio output required systems can use this 10 watt audio amplifier circuit, it requires few external components and low space circuit construction. LM1875 is monolithic power amplifier offering very low distortion, this IC can deliver upto 30 watts when we use 30V AC TO DC 12V REGULATED POWER SUPPLY In Many electronic projects output actuators or ouput device needs 12 volt regulated power supply like, LCD, Graphic Lcd and DC geared motors. This Circuit brings Regulated 12 Volt DC from bridge rectifier and a IC7812, this circuit uses 100uF capacitor as a simple filter to remove large ac ripples form rectified DC, and the capacitor 0.1uF capacitor removes small size ac ripples from 12 VOLT REGULATED POWER SUPPLY CIRCUIT USING ZENER DIODE Here this circuit constructed with bridge rectifier and zener regulator. we can use this circuit as 12 volt power supply source for stepper motor, servo motor and peripherals need 12V. Circuit Diagram The step down transformer reduce AC supply to 15v AC and four 1N4007 diodes connected as bridge rectifier this will give regulated DC supply. This DC filtered by using C1 (470uF/16v) capacitor ARDUINO ANALOG PINS TO DIGITAL EXPLAINED Using arduino boards in projects, looking for additional digital pins then this article helps you to get extra digital pins. When we use arduino uno, genuine, or duemilanove board we get 14 digital pins, if we use LCD display means nearly 8 digital pins occupied by LCD

terminals.

5V DUAL POWER SUPPLY CIRCUIT WITH PCB It is important to give dual power supply, When we work with Operational amplifier or analog to digital convertison circuit. This article will help you to built dual power supply (+5V GND -5V) by using low cost voltage regulators. Use Centertap transformer in this circuit. circuit diagram Construction and Working 8-0-8Vac supply is obtained from centertap transformer (not shown in circuit) and 1 HOUR TIMER CIRCUIT 555 ARCHIVES This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. RHT03 HUMIDITY AND TEMPERATURE SENSOR WITH ARDUINO Digital Relative Humidity & Temperature sensor RHT03 is small size, low power consumption and cheap to afford sensor for measuring temperature and humidity. This article describes about how to connect with Arduino? and getting data from RHT03 sensor through Arduino and serial monitor of Arduino IDE. The sensor can read 0 – 100% RH humidity and -40° to 80° Celsius AUTOMATIC STAIRCASE LIGHT USING PIR SENSOR Staircase lights are needed only when we walk through it other wise we don’t need it, traditional way is using two way switch to control the staircase light. So we manually turn ON/OFF the light, here is a simple and best solution to go Automatic! The PIR (Passive InfraRed sensor) detects the motion of person and gives short duration pulse output with the help of this sensor we can make the

THEORYCIRCUIT

Find every electronics circuit diagram here, Categorized Electronic Circuits and Electronic Projects with well explained operation and how to make it procedure and then New Circuits every day, Enjoy and Discover electronics. ARDUINO DAC TUTORIAL To give more power to Arduino board DAC (Digital to Analog Converter) interfaced through breakout board and detailed Arduino DAC Tutorial given in this article for the best understanding. Here DAC IC MCP4725 based breakout board is used because it is 12-Bit Digital-to-Analog Converter with EEPROM Memory, this IC utilize low power and gives high accuracy output. This IC comes in sot 10 WATT AUDIO AMPLIFIER CIRCUIT Simple 10 Watt Audio Amplifier Circuit designed by using IC LM1875, it can drive 8Ω speaker and gives 10 Watt output. Lower power audio output required systems can use this 10 watt audio amplifier circuit, it requires few external components and low space circuit construction. LM1875 is monolithic power amplifier offering very low distortion, this IC can deliver upto 30 watts when we use 30V AC TO DC 12V REGULATED POWER SUPPLY In Many electronic projects output actuators or ouput device needs 12 volt regulated power supply like, LCD, Graphic Lcd and DC geared motors. This Circuit brings Regulated 12 Volt DC from bridge rectifier and a IC7812, this circuit uses 100uF capacitor as a simple filter to remove large ac ripples form rectified DC, and the capacitor 0.1uF capacitor removes small size ac ripples from 12 VOLT REGULATED POWER SUPPLY CIRCUIT USING ZENER DIODE Here this circuit constructed with bridge rectifier and zener regulator. we can use this circuit as 12 volt power supply source for stepper motor, servo motor and peripherals need 12V. Circuit Diagram The step down transformer reduce AC supply to 15v AC and four 1N4007 diodes connected as bridge rectifier this will give regulated DC supply. This DC filtered by using C1 (470uF/16v) capacitor ARDUINO ANALOG PINS TO DIGITAL EXPLAINED Using arduino boards in projects, looking for additional digital pins then this article helps you to get extra digital pins. When we use arduino uno, genuine, or duemilanove board we get 14 digital pins, if we use LCD display means nearly 8 digital pins occupied by LCD

terminals.

5V DUAL POWER SUPPLY CIRCUIT WITH PCB It is important to give dual power supply, When we work with Operational amplifier or analog to digital convertison circuit. This article will help you to built dual power supply (+5V GND -5V) by using low cost voltage regulators. Use Centertap transformer in this circuit. circuit diagram Construction and Working 8-0-8Vac supply is obtained from centertap transformer (not shown in circuit) and 1 HOUR TIMER CIRCUIT 555 ARCHIVES This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. RHT03 HUMIDITY AND TEMPERATURE SENSOR WITH ARDUINO Digital Relative Humidity & Temperature sensor RHT03 is small size, low power consumption and cheap to afford sensor for measuring temperature and humidity. This article describes about how to connect with Arduino? and getting data from RHT03 sensor through Arduino and serial monitor of Arduino IDE. The sensor can read 0 – 100% RH humidity and -40° to 80° Celsius AUTOMATIC STAIRCASE LIGHT USING PIR SENSOR Staircase lights are needed only when we walk through it other wise we don’t need it, traditional way is using two way switch to control the staircase light. So we manually turn ON/OFF the light, here is a simple and best solution to go Automatic! The PIR (Passive InfraRed sensor) detects the motion of person and gives short duration pulse output with the help of this sensor we can make the

THEORYCIRCUIT

Find every electronics circuit diagram here, Categorized Electronic Circuits and Electronic Projects with well explained operation and how to make it procedure and then New Circuits every day, Enjoy and Discover electronics. 12 VOLT REGULATED POWER SUPPLY CIRCUIT USING ZENER DIODE Here this circuit constructed with bridge rectifier and zener regulator. we can use this circuit as 12 volt power supply source for stepper motor, servo motor and peripherals need 12V. Circuit Diagram The step down transformer reduce AC supply to 15v AC and four 1N4007 diodes connected as bridge rectifier this will give regulated DC supply. This DC filtered by using C1 (470uF/16v) capacitor STEP UP VOLTAGE REGULATOR Simple Switching Step Up Voltage Regulator Circuit designed by using IC LM2577 from Texas Instruments. This circuit boost Input 5 Volt DC to Output 12 Volt DC and also we can adjust the output voltage by changing the value of feedback Resistors R2, R3. Vout = 1.23V (1+R2/R3) This Vout calculation terms written based on the following Schematic. IC LM2577 is monolithic Integrated Circuit that AC TO DC 12V REGULATED POWER SUPPLY In Many electronic projects output actuators or ouput device needs 12 volt regulated power supply like, LCD, Graphic Lcd and DC geared motors. This Circuit brings Regulated 12 Volt DC from bridge rectifier and a IC7812, this circuit uses 100uF capacitor as a simple filter to remove large ac ripples form rectified DC, and the capacitor 0.1uF capacitor removes small size ac ripples from SIMPLE PAM8403 AMPLIFIER CIRCUIT 3W Class D Audio Amplifier designed by using IC PAM8403, This IC is a filterless 3W Class D stereo Audio Amplifier, with few easily available external components Simple PAM8403 Amplifier Circuit designed. IC PAM8403 Offers low THD+N allowing it to achieve high quality sound reproduction. This IC can directly drive Output Speakers. It can give 3W output with 4Ω Loud Speaker and 5V Power

Supply

ADJUSTABLE TIMER CIRCUIT USING 555 Simple Adjustable Timer Circuit using 555 timer IC constructed to give alert sound for variable time limits, this circuit constructed as a monostable multivibrator and gives only one pulse for the time limit. This circuit has two timing elements VR1 and C1, here we can change the time duration of output pulse with the help of VR1 Resistor. This Adjustable timer circuit using 555 has buzzer as 5V USB AUDIO AMPLIFIER CIRCUIT DIAGRAM Small power portable Audio amplifier design requires minimum components utilization and low power consumption, here the 5V USB audio amplifier circuit diagram composed with NS8002 will give continuous 3 watts output and this amplifier circuit don’t have any output coupling capacitor or bootstrap capacitors hence the size of amplifier shrink into compact size for hand held applications. The TRAFFIC LIGHT CIRCUIT USING IC 555 Traffic light is designed with two timer ICs 555 and three LED indicators, this circuit drives three LEDs with different time delay to provide stop, wait, and go signals on road. Circuit diagram Construction and working Two timer ICs biased with 12 volt power supply, the left side timer provides output through Red LED, the right side timer LED provides output through yellow LED and Green LED HEART RATE MONITOR AD8232 INTERFACE ARDUINO The AD8232 from Analog Devices is a dedicated single lead heart rate monitor front end integrated circuit. The AD8232 is an integrated signal conditioning block for ECG and other biopotential measurement applications. It is designed to extract, amplify, and filter small biopotential signals in the presence of noisy conditions, such as those created by motion or remote electrode placement. This DUST SENSOR ARDUINO INTERFACE Monitoring and Controlling Air surrounding is necessary now a days due to increasing pollution level. To detect the dust pollution level there are only few sensors available in the market, recently i found a best one that is Optical Dust Sensor GP2Y1010AU0F from Sharp. This dust sensor is compact in size and detects dust in the air and also smoke particles. It consumes low current to detect

THEORYCIRCUIT

Find every electronics circuit diagram here, Categorized Electronic Circuits and Electronic Projects with well explained operation and how to make it procedure and then New Circuits every day, Enjoy and Discover electronics. STEP UP VOLTAGE REGULATOR Simple Switching Step Up Voltage Regulator Circuit designed by using IC LM2577 from Texas Instruments. This circuit boost Input 5 Volt DC to Output 12 Volt DC and also we can adjust the output voltage by changing the value of feedback Resistors R2, R3. Vout = 1.23V (1+R2/R3) This Vout calculation terms written based on the following Schematic. IC LM2577 is monolithic Integrated Circuit that ARDUINO ANALOG PINS TO DIGITAL EXPLAINED By using simple program we can easily convert analog input pin as digital output pin. Every arduino uno board have analog pins from 0 to 5. Put equivalent digital pin number as given. Analog in 0 = pin 14. Analog in 1 = pin 15. Analog in 2= pin 16. Analog in 3 = pin 17. Analog in 4 = pin 18. SIMPLE PAM8403 AMPLIFIER CIRCUIT 3W Class D Audio Amplifier designed by using IC PAM8403, This IC is a filterless 3W Class D stereo Audio Amplifier, with few easily available external components Simple PAM8403 Amplifier Circuit designed. IC PAM8403 Offers low THD+N allowing it to achieve high quality sound reproduction. This IC can directly drive Output Speakers. It can give 3W output with 4Ω Loud Speaker and 5V Power ADJUSTABLE VOLTAGE REGULATOR CIRCUIT USING LM338 DC Voltage Source is Essential for every Electronic Circuits. Many Electronic Device Requires Regulated Constant Ripple free DC supply. Here we have designed Adjustable Voltage Regulator using LM338. To Provide Regulated DC output between 1.2 V to 32 V from 1.5 V – 35 V Input Unregulated DC supply. IC LM338 from Texas Instruments is a Adjustable 3 Terminal Positive Voltage Regulator SIMPLE TACHOMETER CIRCUIT To identify the Rotation speed or Revolutions per second (RPS) of rotating shaft or wheel we need tachometer, here simple tachometer circuit designed by using easily available elements slotted opto Isolator module MOC7811 and two seven segment display unit, by using this circuit we can measure spinning shaft or disc speed in RPS. This circuit is able to count RPS from 00 to 99 if you want more 10 WATT AUDIO AMPLIFIER CIRCUIT Simple 10 Watt Audio Amplifier Circuit designed by using IC LM1875, it can drive 8Ω speaker and gives 10 Watt output. Lower power audio output required systems can use this 10 watt audio amplifier circuit, it requires few external components and low space circuit construction. LM1875 is monolithic power amplifier offering very low distortion, this IC can deliver upto 30 watts when we use 30V 5V USB AUDIO AMPLIFIER CIRCUIT DIAGRAM Small power portable Audio amplifier design requires minimum components utilization and low power consumption, here the 5V USB audio amplifier circuit diagram composed with NS8002 will give continuous 3 watts output and this amplifier circuit don’t have any output coupling capacitor or bootstrap capacitors hence the size of amplifier shrink into compact size for hand held applications. The TRAFFIC LIGHT CIRCUIT USING IC 555 Traffic light is designed with two timer ICs 555 and three LED indicators, this circuit drives three LEDs with different time delay to provide stop, wait, and go signals on road. Circuit diagram Construction and working Two timer ICs biased with 12 volt power supply, the left side timer provides output through Red LED, the right side timer LED provides output through yellow LED and Green LED HEART RATE MONITOR AD8232 INTERFACE ARDUINO The AD8232 from Analog Devices is a dedicated single lead heart rate monitor front end integrated circuit. The AD8232 is an integrated signal conditioning block for ECG and other biopotential measurement applications. It is designed to extract, amplify, and filter small biopotential signals in the presence of noisy conditions, such as those created by motion or remote electrode placement. This

THEORYCIRCUIT

Find every electronics circuit diagram here, Categorized Electronic Circuits and Electronic Projects with well explained operation and how to make it procedure and then New Circuits every day, Enjoy and Discover electronics. STEP UP VOLTAGE REGULATOR Simple Switching Step Up Voltage Regulator Circuit designed by using IC LM2577 from Texas Instruments. This circuit boost Input 5 Volt DC to Output 12 Volt DC and also we can adjust the output voltage by changing the value of feedback Resistors R2, R3. Vout = 1.23V (1+R2/R3) This Vout calculation terms written based on the following Schematic. IC LM2577 is monolithic Integrated Circuit that ARDUINO ANALOG PINS TO DIGITAL EXPLAINED By using simple program we can easily convert analog input pin as digital output pin. Every arduino uno board have analog pins from 0 to 5. Put equivalent digital pin number as given. Analog in 0 = pin 14. Analog in 1 = pin 15. Analog in 2= pin 16. Analog in 3 = pin 17. Analog in 4 = pin 18. SIMPLE PAM8403 AMPLIFIER CIRCUIT 3W Class D Audio Amplifier designed by using IC PAM8403, This IC is a filterless 3W Class D stereo Audio Amplifier, with few easily available external components Simple PAM8403 Amplifier Circuit designed. IC PAM8403 Offers low THD+N allowing it to achieve high quality sound reproduction. This IC can directly drive Output Speakers. It can give 3W output with 4Ω Loud Speaker and 5V Power ADJUSTABLE VOLTAGE REGULATOR CIRCUIT USING LM338 DC Voltage Source is Essential for every Electronic Circuits. Many Electronic Device Requires Regulated Constant Ripple free DC supply. Here we have designed Adjustable Voltage Regulator using LM338. To Provide Regulated DC output between 1.2 V to 32 V from 1.5 V – 35 V Input Unregulated DC supply. IC LM338 from Texas Instruments is a Adjustable 3 Terminal Positive Voltage Regulator SIMPLE TACHOMETER CIRCUIT To identify the Rotation speed or Revolutions per second (RPS) of rotating shaft or wheel we need tachometer, here simple tachometer circuit designed by using easily available elements slotted opto Isolator module MOC7811 and two seven segment display unit, by using this circuit we can measure spinning shaft or disc speed in RPS. This circuit is able to count RPS from 00 to 99 if you want more 10 WATT AUDIO AMPLIFIER CIRCUIT Simple 10 Watt Audio Amplifier Circuit designed by using IC LM1875, it can drive 8Ω speaker and gives 10 Watt output. Lower power audio output required systems can use this 10 watt audio amplifier circuit, it requires few external components and low space circuit construction. LM1875 is monolithic power amplifier offering very low distortion, this IC can deliver upto 30 watts when we use 30V 5V USB AUDIO AMPLIFIER CIRCUIT DIAGRAM Small power portable Audio amplifier design requires minimum components utilization and low power consumption, here the 5V USB audio amplifier circuit diagram composed with NS8002 will give continuous 3 watts output and this amplifier circuit don’t have any output coupling capacitor or bootstrap capacitors hence the size of amplifier shrink into compact size for hand held applications. The TRAFFIC LIGHT CIRCUIT USING IC 555 Traffic light is designed with two timer ICs 555 and three LED indicators, this circuit drives three LEDs with different time delay to provide stop, wait, and go signals on road. Circuit diagram Construction and working Two timer ICs biased with 12 volt power supply, the left side timer provides output through Red LED, the right side timer LED provides output through yellow LED and Green LED HEART RATE MONITOR AD8232 INTERFACE ARDUINO The AD8232 from Analog Devices is a dedicated single lead heart rate monitor front end integrated circuit. The AD8232 is an integrated signal conditioning block for ECG and other biopotential measurement applications. It is designed to extract, amplify, and filter small biopotential signals in the presence of noisy conditions, such as those created by motion or remote electrode placement. This STEP UP VOLTAGE REGULATOR Simple Switching Step Up Voltage Regulator Circuit designed by using IC LM2577 from Texas Instruments. This circuit boost Input 5 Volt DC to Output 12 Volt DC and also we can adjust the output voltage by changing the value of feedback Resistors R2, R3. Vout = 1.23V (1+R2/R3) This Vout calculation terms written based on the following Schematic. IC LM2577 is monolithic Integrated Circuit that ARDUINO DAC TUTORIAL To give more power to Arduino board DAC (Digital to Analog Converter) interfaced through breakout board and detailed Arduino DAC Tutorial given in this article for the best understanding. Here DAC IC MCP4725 based breakout board is used because it is 12-Bit Digital-to-Analog Converter with EEPROM Memory, this IC utilize low power and gives high accuracy output. This IC comes in sot package 12 VOLT REGULATED POWER SUPPLY CIRCUIT USING ZENER DIODE Here this circuit constructed with bridge rectifier and zener regulator. we can use this circuit as 12 volt power supply source for stepper motor, servo motor and peripherals need 12V. Circuit Diagram The step down transformer reduce AC supply to 15v AC and four 1N4007 diodes connected as bridge rectifier this will give regulated DC supply. This DC filtered by using C1 (470uF/16v) capacitor DUAL POWER SUPPLY CIRCUIT For better operation every electronic circuit needs best Power supply source and mostly electronic components are requires Regulated DC power supply and some applications needs Dual power supply source that is Positive (+V), Ground (GND), Negative (-V). This article helps you to built Dual power supply circuit by using step down transformer and linear voltage regulators. Most electronic SERVO MOTOR DRIVER CIRCUIT Servo motors are made for precise control of angular or linear position, Velocity and acceleration. These servo motors are called as Rotary actuator or linear actuator. Servos may contain sensor for position feed back and signal input for position control. Servo motors are available in different size and voltage ratings. All servo motors are works in the same way but depends on the size and NEGATIVE VOLTAGE GENERATOR CIRCUIT Every circuit needs perfect bias supply to perform well and some times Integrated circuits or special components or output actuators need negative voltage. After rectification and regulation of main DC supply we cannot produce immediate negative supply. In this prototype article negative voltage generator circuit given with simplified bill of material and it can be easily employed in any PWM WHITE LED DRIVER CIRCUIT Following Simple PWM White LED Driver circuit designed by using IC LT3491 and IC LTC6992 from Analog devices. Here LT3491 is fixed frequency Step up DC-DC Converter specifically designed to drive up to six white LEDs in series from a Li-Ion battery. LTC 6992 is a silicon Oscillator with an easy to use analog voltage controlled pulse width modulation (PWM) Capability. LT3491 can drive white VISUAL BASIC ARDUINO INTERFACE Arduino board can communicate through serial monitor of Arduino IDE, but it provides text and numeric options only. When we think about Graphical Interface and control the Visual Basic is the best one come in mind. Visual studio provides different language program support, even the visual studio Arduino IDE also available on internet. In this project I have used Microsoft Visual studio 2005 SIMPLE 12 VOLT BATTERY CHARGER CIRCUIT DIAGRAM Simple 12 volt battery charger circuit diagram designed by using few easily available components, and this circuit is suitable for different types of batteries needs 12 Volt. You can use this circuit to charge 12V SLA battery or 12V Gel cell battery and so on. This circuit is designed to provide charging current upto 3 amps and this circuit don’t have reverse polarity protection or over WATER FLOW SENSOR YF-S201 ARDUINO INTERFACE It is Very simple to Measure the water or liquid flow by using water flow sensor YF-S201 with Arduino, this Article describes about the water flow sensor and How the water flow sensor works then how to interface water flow sensor with Arduino.To take control on volume we need to measure, water is essential to every thing, here this article helps you to built water flow meter to measure the

THEORYCIRCUIT

Find every electronics circuit diagram here, Categorized Electronic Circuits and Electronic Projects with well explained operation and how to make it procedure and then New Circuits every day, Enjoy and Discover electronics. ARDUINO ANALOG PINS TO DIGITAL EXPLAINED By using simple program we can easily convert analog input pin as digital output pin. Every arduino uno board have analog pins from 0 to 5. Put equivalent digital pin number as given. Analog in 0 = pin 14. Analog in 1 = pin 15. Analog in 2= pin 16. Analog in 3 = pin 17. Analog in 4 = pin 18. AC TO DC 12V REGULATED POWER SUPPLY In Many electronic projects output actuators or ouput device needs 12 volt regulated power supply like, LCD, Graphic Lcd and DC geared motors. This Circuit brings Regulated 12 Volt DC from bridge rectifier and a IC7812, this circuit uses 100uF capacitor as a simple filter to remove large ac ripples form rectified DC, and the capacitor 0.1uF capacitor removes small size ac ripples from 10 WATT AUDIO AMPLIFIER CIRCUIT Simple 10 Watt Audio Amplifier Circuit designed by using IC LM1875, it can drive 8Ω speaker and gives 10 Watt output. Lower power audio output required systems can use this 10 watt audio amplifier circuit, it requires few external components and low space circuit construction. LM1875 is monolithic power amplifier offering very low distortion, this IC can deliver upto 30 watts when we use 30V DUAL POWER SUPPLY CIRCUIT For better operation every electronic circuit needs best Power supply source and mostly electronic components are requires Regulated DC power supply and some applications needs Dual power supply source that is Positive (+V), Ground (GND), Negative (-V). This article helps you to built Dual power supply circuit by using step down transformer and linear voltage regulators. Most electronic SIMPLE TACHOMETER CIRCUIT To identify the Rotation speed or Revolutions per second (RPS) of rotating shaft or wheel we need tachometer, here simple tachometer circuit designed by using easily available elements slotted opto Isolator module MOC7811 and two seven segment display unit, by using this circuit we can measure spinning shaft or disc speed in RPS. This circuit is able to count RPS from 00 to 99 if you want more AUTOMATIC STAIRCASE LIGHT USING PIR SENSOR Staircase lights are needed only when we walk through it other wise we don’t need it, traditional way is using two way switch to control the staircase light. So we manually turn ON/OFF the light, here is a simple and best solution to go Automatic! The PIR (Passive InfraRed sensor) detects the motion of person and gives short duration pulse output with the help of this sensor we can make the 5V DUAL POWER SUPPLY CIRCUIT WITH PCB It is important to give dual power supply, When we work with Operational amplifier or analog to digital convertison circuit. This article will help you to built dual power supply (+5V GND -5V) by using low cost voltage regulators. Use Centertap transformer in this circuit. circuit diagram Construction and Working 8-0-8Vac supply is obtained from centertap transformer (not shown in circuit) and 1 HOUR TIMER CIRCUIT 555 ARCHIVES Adjustable Timer Circuit using 555. Simple Adjustable Timer Circuit using 555 timer IC constructed to give alert sound for variable time limits, this circuit constructed as . RHT03 HUMIDITY AND TEMPERATURE SENSOR WITH ARDUINO Digital Relative Humidity & Temperature sensor RHT03 is small size, low power consumption and cheap to afford sensor for measuring temperature and humidity. This article describes about how to connect with Arduino? and getting data from RHT03 sensor through Arduino and serial monitor of Arduino IDE. The sensor can read 0 – 100% RH humidity and -40° to 80° Celsius

THEORYCIRCUIT

Find every electronics circuit diagram here, Categorized Electronic Circuits and Electronic Projects with well explained operation and how to make it procedure and then New Circuits every day, Enjoy and Discover electronics. ARDUINO ANALOG PINS TO DIGITAL EXPLAINED By using simple program we can easily convert analog input pin as digital output pin. Every arduino uno board have analog pins from 0 to 5. Put equivalent digital pin number as given. Analog in 0 = pin 14. Analog in 1 = pin 15. Analog in 2= pin 16. Analog in 3 = pin 17. Analog in 4 = pin 18. AC TO DC 12V REGULATED POWER SUPPLY In Many electronic projects output actuators or ouput device needs 12 volt regulated power supply like, LCD, Graphic Lcd and DC geared motors. This Circuit brings Regulated 12 Volt DC from bridge rectifier and a IC7812, this circuit uses 100uF capacitor as a simple filter to remove large ac ripples form rectified DC, and the capacitor 0.1uF capacitor removes small size ac ripples from 10 WATT AUDIO AMPLIFIER CIRCUIT Simple 10 Watt Audio Amplifier Circuit designed by using IC LM1875, it can drive 8Ω speaker and gives 10 Watt output. Lower power audio output required systems can use this 10 watt audio amplifier circuit, it requires few external components and low space circuit construction. LM1875 is monolithic power amplifier offering very low distortion, this IC can deliver upto 30 watts when we use 30V DUAL POWER SUPPLY CIRCUIT For better operation every electronic circuit needs best Power supply source and mostly electronic components are requires Regulated DC power supply and some applications needs Dual power supply source that is Positive (+V), Ground (GND), Negative (-V). This article helps you to built Dual power supply circuit by using step down transformer and linear voltage regulators. Most electronic SIMPLE TACHOMETER CIRCUIT To identify the Rotation speed or Revolutions per second (RPS) of rotating shaft or wheel we need tachometer, here simple tachometer circuit designed by using easily available elements slotted opto Isolator module MOC7811 and two seven segment display unit, by using this circuit we can measure spinning shaft or disc speed in RPS. This circuit is able to count RPS from 00 to 99 if you want more AUTOMATIC STAIRCASE LIGHT USING PIR SENSOR Staircase lights are needed only when we walk through it other wise we don’t need it, traditional way is using two way switch to control the staircase light. So we manually turn ON/OFF the light, here is a simple and best solution to go Automatic! The PIR (Passive InfraRed sensor) detects the motion of person and gives short duration pulse output with the help of this sensor we can make the 5V DUAL POWER SUPPLY CIRCUIT WITH PCB It is important to give dual power supply, When we work with Operational amplifier or analog to digital convertison circuit. This article will help you to built dual power supply (+5V GND -5V) by using low cost voltage regulators. Use Centertap transformer in this circuit. circuit diagram Construction and Working 8-0-8Vac supply is obtained from centertap transformer (not shown in circuit) and 1 HOUR TIMER CIRCUIT 555 ARCHIVES Adjustable Timer Circuit using 555. Simple Adjustable Timer Circuit using 555 timer IC constructed to give alert sound for variable time limits, this circuit constructed as . RHT03 HUMIDITY AND TEMPERATURE SENSOR WITH ARDUINO Digital Relative Humidity & Temperature sensor RHT03 is small size, low power consumption and cheap to afford sensor for measuring temperature and humidity. This article describes about how to connect with Arduino? and getting data from RHT03 sensor through Arduino and serial monitor of Arduino IDE. The sensor can read 0 – 100% RH humidity and -40° to 80° Celsius ARDUINO DAC TUTORIAL To give more power to Arduino board DAC (Digital to Analog Converter) interfaced through breakout board and detailed Arduino DAC Tutorial given in this article for the best understanding. Here DAC IC MCP4725 based breakout board is used because it is 12-Bit Digital-to-Analog Converter with EEPROM Memory, this IC utilize low power and gives high accuracy output. This IC comes in sot package STEP UP VOLTAGE REGULATOR Simple Switching Step Up Voltage Regulator Circuit designed by using IC LM2577 from Texas Instruments. This circuit boost Input 5 Volt DC to Output 12 Volt DC and also we can adjust the output voltage by changing the value of feedback Resistors R2, R3. Vout = 1.23V (1+R2/R3) This Vout calculation terms written based on the following Schematic. IC LM2577 is monolithic Integrated Circuit that AC TO DC 12V REGULATED POWER SUPPLY In Many electronic projects output actuators or ouput device needs 12 volt regulated power supply like, LCD, Graphic Lcd and DC geared motors. This Circuit brings Regulated 12 Volt DC from bridge rectifier and a IC7812, this circuit uses 100uF capacitor as a simple filter to remove large ac ripples form rectified DC, and the capacitor 0.1uF capacitor removes small size ac ripples from SIMPLE PAM8403 AMPLIFIER CIRCUIT 3W Class D Audio Amplifier designed by using IC PAM8403, This IC is a filterless 3W Class D stereo Audio Amplifier, with few easily available external components Simple PAM8403 Amplifier Circuit designed. IC PAM8403 Offers low THD+N allowing it to achieve high quality sound reproduction. This IC can directly drive Output Speakers. It can give 3W output with 4Ω Loud Speaker and 5V Power

Supply

SERVO MOTOR DRIVER CIRCUIT Servo motors are made for precise control of angular or linear position, Velocity and acceleration. These servo motors are called as Rotary actuator or linear actuator. Servos may contain sensor for position feed back and signal input for position control. Servo motors are available in different size and voltage ratings. All servo motors are works in the same way but depends on the size and CONSTANT CURRENT DC POWER SUPPLY CIRCUIT Some sensitive Electronic components and Integrated Circuits requires constant current source power supply hence we designed simple and easy to construct constant current DC power supply circuit using Three terminal adjustable regulator IC LM317. This circuit will provide different voltage output according to the input voltage and constant current output depends on the value of Reference ADJUSTABLE TIMER CIRCUIT USING 555 Simple Adjustable Timer Circuit using 555 timer IC constructed to give alert sound for variable time limits, this circuit constructed as a monostable multivibrator and gives only one pulse for the time limit. This circuit has two timing elements VR1 and C1, here we can change the time duration of output pulse with the help of VR1 Resistor. This Adjustable timer circuit using 555 has buzzer as VISUAL BASIC ARDUINO INTERFACE Arduino board can communicate through serial monitor of Arduino IDE, but it provides text and numeric options only. When we think about Graphical Interface and control the Visual Basic is the best one come in mind. Visual studio provides different language program support, even the visual studio Arduino IDE also available on internet. In this project I have used Microsoft Visual studio 2005 5V USB AUDIO AMPLIFIER CIRCUIT DIAGRAM Small power portable Audio amplifier design requires minimum components utilization and low power consumption, here the 5V USB audio amplifier circuit diagram composed with NS8002 will give continuous 3 watts output and this amplifier circuit don’t have any output coupling capacitor or bootstrap capacitors hence the size of amplifier shrink into compact size for hand held applications. The TRAFFIC LIGHT CIRCUIT USING IC 555 Traffic light is designed with two timer ICs 555 and three LED indicators, this circuit drives three LEDs with different time delay to provide stop, wait, and go signals on road. Circuit diagram Construction and working Two timer ICs biased with 12 volt power supply, the left side timer provides output through Red LED, the right side timer LED provides output through yellow LED and Green LED

THEORYCIRCUIT

Find every electronics circuit diagram here, Categorized Electronic Circuits and Electronic Projects with well explained operation and how to make it procedure and then New Circuits every day, Enjoy and Discover electronics. ARDUINO DAC TUTORIAL To give more power to Arduino board DAC (Digital to Analog Converter) interfaced through breakout board and detailed Arduino DAC Tutorial given in this article for the best understanding. Here DAC IC MCP4725 based breakout board is used because it is 12-Bit Digital-to-Analog Converter with EEPROM Memory, this IC utilize low power and gives high accuracy output. This IC comes in sot RF REMOTE CONTROL CIRCUITRF CIRCUIT BASICSRF CIRCUIT BASICSRF CIRCUIT DESIGNRF CIRCUIT DESIGN COURSERF CIRCUIT PDFRF CIRCUIT PDF RF remote control circuit designed with 434 MHz ASK (Amplitude shift keying) transmitter and receiver, Here IC HT12E act as encoder and IC HT12D act as decoder, this circuit is constructed with easy available components. This remote gives approximately 150 meter coverage by extending the ariel wire it can be increased up to 200 meters. This project has two stages that is 1. Transmitter circuit STEP UP VOLTAGE REGULATOR Simple Switching Step Up Voltage Regulator Circuit designed by using IC LM2577 from Texas Instruments. This circuit boost Input 5 Volt DC to Output 12 Volt DC and also we can adjust the output voltage by changing the value of feedback Resistors R2, R3. Vout = 1.23V (1+R2/R3) This Vout calculation terms written based on the following Schematic. IC LM2577 is monolithic Integrated Circuit that ARDUINO ANALOG PINS TO DIGITAL EXPLAINED By using simple program we can easily convert analog input pin as digital output pin. Every arduino uno board have analog pins from 0 to 5. Put equivalent digital pin number as given. Analog in 0 = pin 14. Analog in 1 = pin 15. Analog in 2= pin 16. Analog in 3 = pin 17. Analog in 4 = pin 18. BLOWN FUSE INDICATOR Blown Fuse Indicator will help us to identify fault quickly, We use different types of Circuits and application board, here the most burning device will be the fuse element. We can’t completely avoid this fuse element because it protects the circuit elements from high current draw and voltage surges. In this article two types of prototype circuit given and these circuits will indicate the ADJUSTABLE TIMER CIRCUIT USING 555ADJUSTABLE TIMER RELAYADJUSTABLE MINUTE CYCLE TIMERONLINE ADJUSTABLE TIMERTIMER RELAY CIRCUIT DIAGRAM Simple Adjustable Timer Circuit using 555 timer IC constructed to give alert sound for variable time limits, this circuit constructed as a monostable multivibrator and gives only one pulse for the time limit. This circuit has two timing elements VR1 and C1, here we can change the time duration of output pulse with the help of VR1 Resistor. This Adjustable timer circuit using 555 has buzzer as DUAL POWER SUPPLY CIRCUITDUAL POWER SUPPLY ATXDUAL POWER SUPPLY DIYBUILDING POWER SUPPLY CIRCUITSELECTRONIC POWER SUPPLY CIRCUITSFREE POWER SUPPLY SCHEMATICSDUAL DC POWER SUPPLY For better operation every electronic circuit needs best Power supply source and mostly electronic components are requires Regulated DC power supply and some applications needs Dual power supply source that is Positive (+V), Ground (GND), Negative (-V). This article helps you to built Dual power supply circuit by using step down transformer and linear voltage regulators. Most electronic 5V DUAL POWER SUPPLY CIRCUIT WITH PCB It is important to give dual power supply, When we work with Operational amplifier or analog to digital convertison circuit. This article will help you to built dual power supply (+5V GND -5V) by using low cost voltage regulators. Use Centertap transformer in this circuit. circuit diagram Construction and Working 8-0-8Vac supply is obtained from centertap transformer (not shown in circuit) and 1 HOUR TIMER CIRCUIT 555 ARCHIVES Adjustable Timer Circuit using 555. Simple Adjustable Timer Circuit using 555 timer IC constructed to give alert sound for variable time limits, this circuit constructed as .

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Find every electronics circuit diagram here, Categorized Electronic Circuits and Electronic Projects with well explained operation and how to make it procedure and then New Circuits every day, Enjoy and Discover electronics. ARDUINO DAC TUTORIAL To give more power to Arduino board DAC (Digital to Analog Converter) interfaced through breakout board and detailed Arduino DAC Tutorial given in this article for the best understanding. Here DAC IC MCP4725 based breakout board is used because it is 12-Bit Digital-to-Analog Converter with EEPROM Memory, this IC utilize low power and gives high accuracy output. This IC comes in sot RF REMOTE CONTROL CIRCUITRF CIRCUIT BASICSRF CIRCUIT BASICSRF CIRCUIT DESIGNRF CIRCUIT DESIGN COURSERF CIRCUIT PDFRF CIRCUIT PDF RF remote control circuit designed with 434 MHz ASK (Amplitude shift keying) transmitter and receiver, Here IC HT12E act as encoder and IC HT12D act as decoder, this circuit is constructed with easy available components. This remote gives approximately 150 meter coverage by extending the ariel wire it can be increased up to 200 meters. This project has two stages that is 1. Transmitter circuit STEP UP VOLTAGE REGULATOR Simple Switching Step Up Voltage Regulator Circuit designed by using IC LM2577 from Texas Instruments. This circuit boost Input 5 Volt DC to Output 12 Volt DC and also we can adjust the output voltage by changing the value of feedback Resistors R2, R3. Vout = 1.23V (1+R2/R3) This Vout calculation terms written based on the following Schematic. IC LM2577 is monolithic Integrated Circuit that ARDUINO ANALOG PINS TO DIGITAL EXPLAINED By using simple program we can easily convert analog input pin as digital output pin. Every arduino uno board have analog pins from 0 to 5. Put equivalent digital pin number as given. Analog in 0 = pin 14. Analog in 1 = pin 15. Analog in 2= pin 16. Analog in 3 = pin 17. Analog in 4 = pin 18. BLOWN FUSE INDICATOR Blown Fuse Indicator will help us to identify fault quickly, We use different types of Circuits and application board, here the most burning device will be the fuse element. We can’t completely avoid this fuse element because it protects the circuit elements from high current draw and voltage surges. In this article two types of prototype circuit given and these circuits will indicate the ADJUSTABLE TIMER CIRCUIT USING 555ADJUSTABLE TIMER RELAYADJUSTABLE MINUTE CYCLE TIMERONLINE ADJUSTABLE TIMERTIMER RELAY CIRCUIT DIAGRAM Simple Adjustable Timer Circuit using 555 timer IC constructed to give alert sound for variable time limits, this circuit constructed as a monostable multivibrator and gives only one pulse for the time limit. This circuit has two timing elements VR1 and C1, here we can change the time duration of output pulse with the help of VR1 Resistor. This Adjustable timer circuit using 555 has buzzer as DUAL POWER SUPPLY CIRCUITDUAL POWER SUPPLY ATXDUAL POWER SUPPLY DIYBUILDING POWER SUPPLY CIRCUITSELECTRONIC POWER SUPPLY CIRCUITSFREE POWER SUPPLY SCHEMATICSDUAL DC POWER SUPPLY For better operation every electronic circuit needs best Power supply source and mostly electronic components are requires Regulated DC power supply and some applications needs Dual power supply source that is Positive (+V), Ground (GND), Negative (-V). This article helps you to built Dual power supply circuit by using step down transformer and linear voltage regulators. Most electronic 5V DUAL POWER SUPPLY CIRCUIT WITH PCB It is important to give dual power supply, When we work with Operational amplifier or analog to digital convertison circuit. This article will help you to built dual power supply (+5V GND -5V) by using low cost voltage regulators. Use Centertap transformer in this circuit. circuit diagram Construction and Working 8-0-8Vac supply is obtained from centertap transformer (not shown in circuit) and 1 HOUR TIMER CIRCUIT 555 ARCHIVES Adjustable Timer Circuit using 555. Simple Adjustable Timer Circuit using 555 timer IC constructed to give alert sound for variable time limits, this circuit constructed as . 5V DUAL POWER SUPPLY CIRCUIT WITH PCB It is important to give dual power supply, When we work with Operational amplifier or analog to digital convertison circuit. This article will help you to built dual power supply (+5V GND -5V) by using low cost voltage regulators. Use Centertap transformer in this circuit. circuit diagram Construction and Working 8-0-8Vac supply is obtained from centertap transformer (not shown in circuit) and 12 VOLT REGULATED POWER SUPPLY CIRCUIT USING ZENER DIODE Here this circuit constructed with bridge rectifier and zener regulator. we can use this circuit as 12 volt power supply source for stepper motor, servo motor and peripherals need 12V. Circuit Diagram The step down transformer reduce AC supply to 15v AC and four 1N4007 diodes connected as bridge rectifier this will give regulated DC supply. This DC filtered by using C1 (470uF/16v) capacitor SIMPLE PAM8403 AMPLIFIER CIRCUIT 3W Class D Audio Amplifier designed by using IC PAM8403, This IC is a filterless 3W Class D stereo Audio Amplifier, with few easily available external components Simple PAM8403 Amplifier Circuit designed. IC PAM8403 Offers low THD+N allowing it to achieve high quality sound reproduction. This IC can directly drive Output Speakers. It can give 3W output with 4Ω Loud Speaker and 5V Power

Supply

25 WATT AUDIO POWER AMPLIFIER CIRCUIT 25 watt Audio power Amplifier circuit designed by using IC TDA 2040 (25 watt hi-fi audio power amplifier) from ST. It is a monolithic Integrated circuit comes in pentawatt V package so it occupy less space in PCB, and it can be used as a Class AB amplifier.TDA2040 provides 25 W output power into 4Ω loud speaker and it has low harmonic and cross over distortion to the amplified signal and LI-ION BATTERY CHARGER CIRCUIT Li-Ion Battery Charger Circuit. This simple easy to construct Li-Ion Battery Charger Circuit is made with IC MCP73831/2 from microchip. This is a miniature single cell full integrated li-ion and li-polymer charge management controller. It is available in tiny package hence most suitable for compact hand held and portable applications. NEGATIVE VOLTAGE GENERATOR CIRCUIT Every circuit needs perfect bias supply to perform well and some times Integrated circuits or special components or output actuators need negative voltage. After rectification and regulation of main DC supply we cannot produce immediate negative supply. In this prototype article negative voltage generator circuit given with simplified bill of material and it can be easily employed in any DUST SENSOR ARDUINO INTERFACE Monitoring and Controlling Air surrounding is necessary now a days due to increasing pollution level. To detect the dust pollution level there are only few sensors available in the market, recently i found a best one that is Optical Dust Sensor GP2Y1010AU0F from Sharp. This dust sensor is compact in size and detects dust in the air and also smoke particles. It consumes low current to detect TRAFFIC LIGHT CIRCUIT USING IC 555 Traffic light is designed with two timer ICs 555 and three LED indicators, this circuit drives three LEDs with different time delay to provide stop, wait, and go signals on road. Circuit diagram Construction and working Two timer ICs biased with 12 volt power supply, the left side timer provides output through Red LED, the right side timer LED provides output through yellow LED and Green LED DOOR OPEN ALARM CIRCUIT USING REED SWITCH If you want to Protect some door from unwanted access then you can use this simple Door Open Alarm circuit using Reed switch. Circuit Diagram Construction and Working Here Reed switch acts as a Sensor to detect the door position (close/open). The Reed switch is a small device and contains two ferrous materials inside. When this device exposed to the Magnetic field then ferrous materials inside TUBE LIGHT CONNECTION DIAGRAM Tube Light connection diagram. Tube lights are most used light source and here tube light connection circuit and wiring diagram given with explanation. Connection of tube light is very simple because it has few wiring points only. Tube Light connection diagram shown here is suitable for common type fluorescent tubelight.

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LIPO BATTERY CHARGER CIRCUIT Li-Po Battery or Lithium-ion Polymer battery is a Rechargeable battery which uses a polymer electrolyte instead of a liquid

electrode. …

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CONDENSER MIC PREAMPLIFIER CIRCUIT Simple easy to construct Condenser Mic Preamplifier Circuit designed by using sing transistor (BC547). This PreAmplifier circuit constructed to operate …

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VOLTAGE REGULATOR CIRCUIT 5V TO 3.3V Some Sensitive Electronic Components, Sensors or Microcontrollers Requires 3.3V DC supply as power source. When we apply 5V or 12V …

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H-BRIDGE MOTOR DRIVER CIRCUIT L293D Simple and Most widely used H-Bridge Motor driver circuit by using L293D plotted in schematic and PCB here, We know …

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INDUCTIVE PROXIMITY SWITCH CIRCUIT Simple Inductive Proximity Switch Circuit designed by using IC TCA505BG from Siemens. TCA505BG is a IC for Inductive Proximity

switch …

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SIMPLE PAM8403 AMPLIFIER CIRCUIT 3W Class D Audio Amplifier designed by using IC PAM8403, This IC is a filterless 3W Class D stereo Audio …

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10W WHITE LED PWM DRIVER CIRCUIT Simple and easy to Construct 10W White LED PWM Driver Circuit designed by using IC SG3525A. IC SG3525A from On …

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SINGLE SUPPLY LASER DRIVER AMPLIFIER CIRCUIT Laser Diode Driver Circuit helps us to drive and control the intensity of Laser light beam, problem in driving laser …

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WHITE LED DRIVER CIRCUIT USING TPS61161A White LED Driver circuit using TPS61161A is designed to drive up to 8 White LEDs with minimum external components. IC …

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PWM WHITE LED DRIVER CIRCUIT Following Simple PWM White LED Driver circuit designed by using IC LT3491 and IC LTC6992 from Analog devices. Here LT3491 …

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