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Text
is 100 nH.
RETR0BRIGHT
RASPBERRY PI CAR AUDIO SYSTEM 433 MHZ SUPPORT IN NODE-RED Adding SONOFF RF BRIDGE 433 To Node-RED. To add the switches to Node-RED is easy. I’ve named my RF Bridge SONOFF_RFBRIDGE; you have to replace all the instances to the name you have given your RF Bridge. Add an MQTT node and set the topic to SONOFF_RFBRIDGE/relay/0 and you’ll get a payload of 1 or 0 depending on the switch state ofswitch 0.
NAD 3020B AMPLIFIER A CLASSIC WORTH RESTORING And the venerable NAD 3020B was the first one that came to mind. When I was young, this was the first affordable amplifier that sounded good. It’s not a powerhouse by any means, putting out (a very conservative estimate) 2 x 20 watts. But the phono stage accepts both MM and MC pickups which is excellent, and the sound quality isexceptional.
MISTER FPGA GETTING ARCADE CORES TO USE MRA FILES MiSTer FPGA is an amazing open-source platform where they use an FPGA development board from Terasic as the base to be able to do cycle-accurate emulation of computers, arcade games, and gaming consoles. But to get everything set up isn’t very easy. My main interest is the arcade cores for being able to play my favorite old games precisely as it would be, playing on the original hardware. ANENG AN8008/AN8009 MODIFY FOR BETTER ACCURACY FASTERSEE MORE ONJACKENHACK.COM
WHY I SWITCHED TO ROON AND YOU SHOULD TOO Topology. The idea behind how Roon works is to have a server that does all the heavy lifting. That includes upsampling, DSP functions and maintaining your music library. Then you have Roon endpoints, which can be any of the supported hardware available, a Raspberry Pi with a DAC or even the now discontinued Google Chromecast Audio using the optical out to an external DAC.PA0RDT MINI WHIP
Installing a PA0RDT Mini-Whip In an Apartment. The recommended way of connecting the antenna is to have it off the ground with an unearthed mast in a garden or on a roof and then ground it from the antenna to earth with a grounding rod. Well, that’s not going to happen where I live, so I needed a way of getting it to work in a regular apartment. DIY REFERENCE 10 MHZ DISTRIBUTION AMPLIFIER The signal generator can output sine waves to 120 MHz, and the scope has a bandwidth of 100 MHz, but it works up to 120 MHz (I’ve hacked the scope and the signal generator). The lowest measured value was around 0.900 Volts, so the bandwidth is a lot higher than 120 MHz. 1 Vpp at 10 MHz. And at 100 MHz. 0.914 Vpp at 100 MHz. CABLE IMPEDANCE HOW TO MEASURE IT Cable Inductance. Next up is the inductance. You have to remove some of the insulation on the other side of the cable and short out the center pin to the shield. Then use the LCR Meter and measure the inductance at the open end of the cable. So now lets short out the other end of the cable and measure. Here, the inductance of the cableis 100 nH.
RETR0BRIGHT
RASPBERRY PI CAR AUDIO SYSTEM 433 MHZ SUPPORT IN NODE-RED Adding SONOFF RF BRIDGE 433 To Node-RED. To add the switches to Node-RED is easy. I’ve named my RF Bridge SONOFF_RFBRIDGE; you have to replace all the instances to the name you have given your RF Bridge. Add an MQTT node and set the topic to SONOFF_RFBRIDGE/relay/0 and you’ll get a payload of 1 or 0 depending on the switch state ofswitch 0.
NAD 3020B AMPLIFIER A CLASSIC WORTH RESTORING And the venerable NAD 3020B was the first one that came to mind. When I was young, this was the first affordable amplifier that sounded good. It’s not a powerhouse by any means, putting out (a very conservative estimate) 2 x 20 watts. But the phono stage accepts both MM and MC pickups which is excellent, and the sound quality isexceptional.
MISTER FPGA GETTING ARCADE CORES TO USE MRA FILES MiSTer FPGA is an amazing open-source platform where they use an FPGA development board from Terasic as the base to be able to do cycle-accurate emulation of computers, arcade games, and gaming consoles. But to get everything set up isn’t very easy. My main interest is the arcade cores for being able to play my favorite old games precisely as it would be, playing on the original hardware. ANENG AN8008/AN8009 MODIFY FOR BETTER ACCURACY FASTERSEE MORE ONJACKENHACK.COM
WHY I SWITCHED TO ROON AND YOU SHOULD TOO Topology. The idea behind how Roon works is to have a server that does all the heavy lifting. That includes upsampling, DSP functions and maintaining your music library. Then you have Roon endpoints, which can be any of the supported hardware available, a Raspberry Pi with a DAC or even the now discontinued Google Chromecast Audio using the optical out to an external DAC.PA0RDT MINI WHIP
Installing a PA0RDT Mini-Whip In an Apartment. The recommended way of connecting the antenna is to have it off the ground with an unearthed mast in a garden or on a roof and then ground it from the antenna to earth with a grounding rod. Well, that’s not going to happen where I live, so I needed a way of getting it to work in a regular apartment. DIY REFERENCE 10 MHZ DISTRIBUTION AMPLIFIER The signal generator can output sine waves to 120 MHz, and the scope has a bandwidth of 100 MHz, but it works up to 120 MHz (I’ve hacked the scope and the signal generator). The lowest measured value was around 0.900 Volts, so the bandwidth is a lot higher than 120 MHz. 1 Vpp at 10 MHz. And at 100 MHz. 0.914 Vpp at 100 MHz. RASPBERRY PI CAR AUDIO SYSTEM Power supply. Because a Raspberry Pi is a bona fide Linux computer, you can’t just cut the power when you want to turn it off. There’s a risk of corrupting the filesystem just like on your Mac or PC, so to install it into a car, you need a way to keep the Raspberry Pi-powered on until the shutdown is WHY I SWITCHED TO ROON AND YOU SHOULD TOO Topology. The idea behind how Roon works is to have a server that does all the heavy lifting. That includes upsampling, DSP functions and maintaining your music library. Then you have Roon endpoints, which can be any of the supported hardware available, a Raspberry Pi with a DAC or even the now discontinued Google Chromecast Audio using the optical out to an external DAC. HOW TO USE DAY ONE APP How To Use Day One App. This is an ongoing archive of the many use cases we’ve found for ourselves and that have been reported by our users. We hope this will inspire you to think of new ways you can incorporate Day One into your workflow and daily routine. Great page of collected uses for the marvelous app Day One. MISTER FPGA GETTING ARCADE CORES TO USE MRA FILES MiSTer FPGA is an amazing open-source platform where they use an FPGA development board from Terasic as the base to be able to do cycle-accurate emulation of computers, arcade games, and gaming consoles. But to get everything set up isn’t very easy. My main interest is the arcade cores for being able to play my favorite old games precisely as it would be, playing on the original hardware. SONOFF WIFI SMART SWITCH WITH I2C PORT How to add an I2C interface to a Sonoff WiFi Smart Switch. The Sonoff brand is a whole series os IOT devices that use the esp8266 WiFi processor internally. The devices are easily hacked and are cheap. The Sonoff WiFi Smart Switch is the most straightforward device, which can turn on or off 110/220 Volt 10 Ampere remotely. That means you can have your ceiling fan, lamp or anything else MAC OS REMOVE PURGEABLE IN HIGH SIERRA I’ve written an article on how to remove the purgeable portion on a hard disk on Mac OS, but in High Sierra, Apple has changed the file system from HFS+ to APFS.Because of that, my old guide doesn’t work. So here is how to remove the Purgeable part of the disk in Mac OS High Sierra.. Read this before continuing: Only use this for making more room if you need to change the partition size of APPLE AIRPORT UTILITY HIDDEN INFORMATION Apple Airport Utility how to display more information. While doing a Wi-Fi scan at work to get better reception and optimize the location and channel selection using NetSpot Wi-Fi Reporter, I had a problem.Our wireless network is set up with roaming, so when NetSpot Manager displays the scanned Wi-Fi device, it only shows the MAC address.So identifying an AirPort Extreme wireless router can be INCREASE PULSE WIDTH 1 PPS SIGNAL FROM GPSDO Hi, I’m new to your site, thanks for the interesting entries. I am very much an amateur, but interested in precision timing circuitry. Also your comments on noise reduction are very instructive. CAMBRIDGE AZUR 640D MODIFY RIAA PHONO PRE-AMPLIFIER In the new pictures you can see that that’s done. I also added Silver Micas. The Azur 640p opened showing the main board. Desoldered caps in PSU for upgrading to Panasonic FM caps. All the caps and diods removed. Azur 640P Phono pre-amplifier opamp and caps upgraade. Input caps replaced with Black Caps. This site uses Akismet to reduce spam. CABLE IMPEDANCE HOW TO MEASURE IT Cable Inductance. Next up is the inductance. You have to remove some of the insulation on the other side of the cable and short out the center pin to the shield. Then use the LCR Meter and measure the inductance at the open end of the cable. So now lets short out the other end of the cable and measure. Here, the inductance of the cableis 100 nH.
RETR0BRIGHT
WHY I SWITCHED TO ROON AND YOU SHOULD TOO Topology. The idea behind how Roon works is to have a server that does all the heavy lifting. That includes upsampling, DSP functions and maintaining your music library. Then you have Roon endpoints, which can be any of the supported hardware available, a Raspberry Pi with a DAC or even the now discontinued Google Chromecast Audio using the optical out to an external DAC. 433 MHZ SUPPORT IN NODE-RED Adding SONOFF RF BRIDGE 433 To Node-RED. To add the switches to Node-RED is easy. I’ve named my RF Bridge SONOFF_RFBRIDGE; you have to replace all the instances to the name you have given your RF Bridge. Add an MQTT node and set the topic to SONOFF_RFBRIDGE/relay/0 and you’ll get a payload of 1 or 0 depending on the switch state ofswitch 0.
RASPBERRY PI CAR AUDIO SYSTEM ANENG AN8008/AN8009 MODIFY FOR BETTER ACCURACY FASTERSEE MORE ONJACKENHACK.COM
MISTER FPGA GETTING ARCADE CORES TO USE MRA FILES MiSTer FPGA is an amazing open-source platform where they use an FPGA development board from Terasic as the base to be able to do cycle-accurate emulation of computers, arcade games, and gaming consoles. But to get everything set up isn’t very easy. My main interest is the arcade cores for being able to play my favorite old games precisely as it would be, playing on the original hardware. A PROFESSIONAL SOUNDING DIGITAL RECEPTIONIST IN ASTERISK Select an appropriate name for the file and save it. So let’s create a Digital Receptionist in Asterisk@Home. Open your web browser and navigate to your Asterisk server. Go to the Asterisk Management Portal and select Setup. Select Digital Receptionist. Click on “Create anew Voice Menu.”.
PA0RDT MINI WHIP
Installing a PA0RDT Mini-Whip In an Apartment. The recommended way of connecting the antenna is to have it off the ground with an unearthed mast in a garden or on a roof and then ground it from the antenna to earth with a grounding rod. Well, that’s not going to happen where I live, so I needed a way of getting it to work in a regular apartment. MAC OS HOW TO REMOVE PURGEABLE ON HARD DRIVE Optimize Disk Storage. Apple added a feature called “Optimize Disk Storage” in Mac OS Sierra. The idea is quite good. This feature isn’t well-implemented though. If you have it enabled in System Preferences under iCloud/iCloud Drive settings (which I think is on by default), you essentially have two different values of how much disk space you have available. CABLE IMPEDANCE HOW TO MEASURE IT Cable Inductance. Next up is the inductance. You have to remove some of the insulation on the other side of the cable and short out the center pin to the shield. Then use the LCR Meter and measure the inductance at the open end of the cable. So now lets short out the other end of the cable and measure. Here, the inductance of the cableis 100 nH.
RETR0BRIGHT
WHY I SWITCHED TO ROON AND YOU SHOULD TOO Topology. The idea behind how Roon works is to have a server that does all the heavy lifting. That includes upsampling, DSP functions and maintaining your music library. Then you have Roon endpoints, which can be any of the supported hardware available, a Raspberry Pi with a DAC or even the now discontinued Google Chromecast Audio using the optical out to an external DAC. 433 MHZ SUPPORT IN NODE-RED Adding SONOFF RF BRIDGE 433 To Node-RED. To add the switches to Node-RED is easy. I’ve named my RF Bridge SONOFF_RFBRIDGE; you have to replace all the instances to the name you have given your RF Bridge. Add an MQTT node and set the topic to SONOFF_RFBRIDGE/relay/0 and you’ll get a payload of 1 or 0 depending on the switch state ofswitch 0.
RASPBERRY PI CAR AUDIO SYSTEM ANENG AN8008/AN8009 MODIFY FOR BETTER ACCURACY FASTERSEE MORE ONJACKENHACK.COM
MISTER FPGA GETTING ARCADE CORES TO USE MRA FILES MiSTer FPGA is an amazing open-source platform where they use an FPGA development board from Terasic as the base to be able to do cycle-accurate emulation of computers, arcade games, and gaming consoles. But to get everything set up isn’t very easy. My main interest is the arcade cores for being able to play my favorite old games precisely as it would be, playing on the original hardware. A PROFESSIONAL SOUNDING DIGITAL RECEPTIONIST IN ASTERISK Select an appropriate name for the file and save it. So let’s create a Digital Receptionist in Asterisk@Home. Open your web browser and navigate to your Asterisk server. Go to the Asterisk Management Portal and select Setup. Select Digital Receptionist. Click on “Create anew Voice Menu.”.
PA0RDT MINI WHIP
Installing a PA0RDT Mini-Whip In an Apartment. The recommended way of connecting the antenna is to have it off the ground with an unearthed mast in a garden or on a roof and then ground it from the antenna to earth with a grounding rod. Well, that’s not going to happen where I live, so I needed a way of getting it to work in a regular apartment. MAC OS HOW TO REMOVE PURGEABLE ON HARD DRIVE Optimize Disk Storage. Apple added a feature called “Optimize Disk Storage” in Mac OS Sierra. The idea is quite good. This feature isn’t well-implemented though. If you have it enabled in System Preferences under iCloud/iCloud Drive settings (which I think is on by default), you essentially have two different values of how much disk space you have available. DIY REFERENCE 10 MHZ DISTRIBUTION AMPLIFIER The signal generator can output sine waves to 120 MHz, and the scope has a bandwidth of 100 MHz, but it works up to 120 MHz (I’ve hacked the scope and the signal generator). The lowest measured value was around 0.900 Volts, so the bandwidth is a lot higher than 120 MHz. 1 Vpp at 10 MHz. And at 100 MHz. 0.914 Vpp at 100 MHz. RASPBERRY PI CAR AUDIO SYSTEM Power supply. Because a Raspberry Pi is a bona fide Linux computer, you can’t just cut the power when you want to turn it off. There’s a risk of corrupting the filesystem just like on your Mac or PC, so to install it into a car, you need a way to keep the Raspberry Pi-powered on until the shutdown is SONOFF WIFI SMART SWITCH WITH I2C PORT How to add an I2C interface to a Sonoff WiFi Smart Switch. The Sonoff brand is a whole series os IOT devices that use the esp8266 WiFi processor internally. The devices are easily hacked and are cheap. The Sonoff WiFi Smart Switch is the most straightforward device, which can turn on or off 110/220 Volt 10 Ampere remotely. That means you can have your ceiling fan, lamp or anything else MISTER FPGA GETTING ARCADE CORES TO USE MRA FILES MiSTer FPGA is an amazing open-source platform where they use an FPGA development board from Terasic as the base to be able to do cycle-accurate emulation of computers, arcade games, and gaming consoles. But to get everything set up isn’t very easy. My main interest is the arcade cores for being able to play my favorite old games precisely as it would be, playing on the original hardware. NAD 3020B AMPLIFIER A CLASSIC WORTH RESTORING And the venerable NAD 3020B was the first one that came to mind. When I was young, this was the first affordable amplifier that sounded good. It’s not a powerhouse by any means, putting out (a very conservative estimate) 2 x 20 watts. But the phono stage accepts both MM and MC pickups which is excellent, and the sound quality isexceptional.
PA0RDT MINI WHIP
Installing a PA0RDT Mini-Whip In an Apartment. The recommended way of connecting the antenna is to have it off the ground with an unearthed mast in a garden or on a roof and then ground it from the antenna to earth with a grounding rod. Well, that’s not going to happen where I live, so I needed a way of getting it to work in a regular apartment. MAC OS HOW TO REMOVE PURGEABLE ON HARD DRIVE Optimize Disk Storage. Apple added a feature called “Optimize Disk Storage” in Mac OS Sierra. The idea is quite good. This feature isn’t well-implemented though. If you have it enabled in System Preferences under iCloud/iCloud Drive settings (which I think is on by default), you essentially have two different values of how much disk space you have available. CAMBRIDGE AZUR 640D MODIFY RIAA PHONO PRE-AMPLIFIER In the new pictures you can see that that’s done. I also added Silver Micas. The Azur 640p opened showing the main board. Desoldered caps in PSU for upgrading to Panasonic FM caps. All the caps and diods removed. Azur 640P Phono pre-amplifier opamp and caps upgraade. Input caps replaced with Black Caps. This site uses Akismet to reduce spam. APPLE AIRPORT UTILITY HIDDEN INFORMATION Apple Airport Utility how to display more information. While doing a Wi-Fi scan at work to get better reception and optimize the location and channel selection using NetSpot Wi-Fi Reporter, I had a problem.Our wireless network is set up with roaming, so when NetSpot Manager displays the scanned Wi-Fi device, it only shows the MAC address.So identifying an AirPort Extreme wireless router can be PHILIPS-FLUKE PM6665 FREQUENCY COUNTER WITH OVEN So I browsed around eBay and found an old Philips-Fluke PM6665 frequency counter with the optional 1.3GHz add-on board. With a 10 second gate time, I can get down to 0.1 Hz at 10 MHz, so that’s more than I need. It didn’t have the option of a better crystal, unfortunately. When I tested the PM6665 against my Trimble 10 MHzGPSDO reference
CABLE IMPEDANCE HOW TO MEASURE IT Cable Inductance. Next up is the inductance. You have to remove some of the insulation on the other side of the cable and short out the center pin to the shield. Then use the LCR Meter and measure the inductance at the open end of the cable. So now lets short out the other end of the cable and measure. Here, the inductance of the cableis 100 nH.
RETR0BRIGHT
WHY I SWITCHED TO ROON AND YOU SHOULD TOO Topology. The idea behind how Roon works is to have a server that does all the heavy lifting. That includes upsampling, DSP functions and maintaining your music library. Then you have Roon endpoints, which can be any of the supported hardware available, a Raspberry Pi with a DAC or even the now discontinued Google Chromecast Audio using the optical out to an external DAC. 433 MHZ SUPPORT IN NODE-RED Adding SONOFF RF BRIDGE 433 To Node-RED. To add the switches to Node-RED is easy. I’ve named my RF Bridge SONOFF_RFBRIDGE; you have to replace all the instances to the name you have given your RF Bridge. Add an MQTT node and set the topic to SONOFF_RFBRIDGE/relay/0 and you’ll get a payload of 1 or 0 depending on the switch state ofswitch 0.
RASPBERRY PI CAR AUDIO SYSTEM ANENG AN8008/AN8009 MODIFY FOR BETTER ACCURACY FASTERSEE MORE ONJACKENHACK.COM
MISTER FPGA GETTING ARCADE CORES TO USE MRA FILES MiSTer FPGA is an amazing open-source platform where they use an FPGA development board from Terasic as the base to be able to do cycle-accurate emulation of computers, arcade games, and gaming consoles. But to get everything set up isn’t very easy. My main interest is the arcade cores for being able to play my favorite old games precisely as it would be, playing on the original hardware. A PROFESSIONAL SOUNDING DIGITAL RECEPTIONIST IN ASTERISK Select an appropriate name for the file and save it. So let’s create a Digital Receptionist in Asterisk@Home. Open your web browser and navigate to your Asterisk server. Go to the Asterisk Management Portal and select Setup. Select Digital Receptionist. Click on “Create anew Voice Menu.”.
PA0RDT MINI WHIP
Installing a PA0RDT Mini-Whip In an Apartment. The recommended way of connecting the antenna is to have it off the ground with an unearthed mast in a garden or on a roof and then ground it from the antenna to earth with a grounding rod. Well, that’s not going to happen where I live, so I needed a way of getting it to work in a regular apartment. MAC OS HOW TO REMOVE PURGEABLE ON HARD DRIVE Optimize Disk Storage. Apple added a feature called “Optimize Disk Storage” in Mac OS Sierra. The idea is quite good. This feature isn’t well-implemented though. If you have it enabled in System Preferences under iCloud/iCloud Drive settings (which I think is on by default), you essentially have two different values of how much disk space you have available. CABLE IMPEDANCE HOW TO MEASURE IT Cable Inductance. Next up is the inductance. You have to remove some of the insulation on the other side of the cable and short out the center pin to the shield. Then use the LCR Meter and measure the inductance at the open end of the cable. So now lets short out the other end of the cable and measure. Here, the inductance of the cableis 100 nH.
RETR0BRIGHT
WHY I SWITCHED TO ROON AND YOU SHOULD TOO Topology. The idea behind how Roon works is to have a server that does all the heavy lifting. That includes upsampling, DSP functions and maintaining your music library. Then you have Roon endpoints, which can be any of the supported hardware available, a Raspberry Pi with a DAC or even the now discontinued Google Chromecast Audio using the optical out to an external DAC. 433 MHZ SUPPORT IN NODE-RED Adding SONOFF RF BRIDGE 433 To Node-RED. To add the switches to Node-RED is easy. I’ve named my RF Bridge SONOFF_RFBRIDGE; you have to replace all the instances to the name you have given your RF Bridge. Add an MQTT node and set the topic to SONOFF_RFBRIDGE/relay/0 and you’ll get a payload of 1 or 0 depending on the switch state ofswitch 0.
RASPBERRY PI CAR AUDIO SYSTEM ANENG AN8008/AN8009 MODIFY FOR BETTER ACCURACY FASTERSEE MORE ONJACKENHACK.COM
MISTER FPGA GETTING ARCADE CORES TO USE MRA FILES MiSTer FPGA is an amazing open-source platform where they use an FPGA development board from Terasic as the base to be able to do cycle-accurate emulation of computers, arcade games, and gaming consoles. But to get everything set up isn’t very easy. My main interest is the arcade cores for being able to play my favorite old games precisely as it would be, playing on the original hardware. A PROFESSIONAL SOUNDING DIGITAL RECEPTIONIST IN ASTERISK Select an appropriate name for the file and save it. So let’s create a Digital Receptionist in Asterisk@Home. Open your web browser and navigate to your Asterisk server. Go to the Asterisk Management Portal and select Setup. Select Digital Receptionist. Click on “Create anew Voice Menu.”.
PA0RDT MINI WHIP
Installing a PA0RDT Mini-Whip In an Apartment. The recommended way of connecting the antenna is to have it off the ground with an unearthed mast in a garden or on a roof and then ground it from the antenna to earth with a grounding rod. Well, that’s not going to happen where I live, so I needed a way of getting it to work in a regular apartment. MAC OS HOW TO REMOVE PURGEABLE ON HARD DRIVE Optimize Disk Storage. Apple added a feature called “Optimize Disk Storage” in Mac OS Sierra. The idea is quite good. This feature isn’t well-implemented though. If you have it enabled in System Preferences under iCloud/iCloud Drive settings (which I think is on by default), you essentially have two different values of how much disk space you have available. DIY REFERENCE 10 MHZ DISTRIBUTION AMPLIFIER The signal generator can output sine waves to 120 MHz, and the scope has a bandwidth of 100 MHz, but it works up to 120 MHz (I’ve hacked the scope and the signal generator). The lowest measured value was around 0.900 Volts, so the bandwidth is a lot higher than 120 MHz. 1 Vpp at 10 MHz. And at 100 MHz. 0.914 Vpp at 100 MHz. RASPBERRY PI CAR AUDIO SYSTEM Power supply. Because a Raspberry Pi is a bona fide Linux computer, you can’t just cut the power when you want to turn it off. There’s a risk of corrupting the filesystem just like on your Mac or PC, so to install it into a car, you need a way to keep the Raspberry Pi-powered on until the shutdown is SONOFF WIFI SMART SWITCH WITH I2C PORT How to add an I2C interface to a Sonoff WiFi Smart Switch. The Sonoff brand is a whole series os IOT devices that use the esp8266 WiFi processor internally. The devices are easily hacked and are cheap. The Sonoff WiFi Smart Switch is the most straightforward device, which can turn on or off 110/220 Volt 10 Ampere remotely. That means you can have your ceiling fan, lamp or anything else MISTER FPGA GETTING ARCADE CORES TO USE MRA FILES MiSTer FPGA is an amazing open-source platform where they use an FPGA development board from Terasic as the base to be able to do cycle-accurate emulation of computers, arcade games, and gaming consoles. But to get everything set up isn’t very easy. My main interest is the arcade cores for being able to play my favorite old games precisely as it would be, playing on the original hardware. NAD 3020B AMPLIFIER A CLASSIC WORTH RESTORING And the venerable NAD 3020B was the first one that came to mind. When I was young, this was the first affordable amplifier that sounded good. It’s not a powerhouse by any means, putting out (a very conservative estimate) 2 x 20 watts. But the phono stage accepts both MM and MC pickups which is excellent, and the sound quality isexceptional.
PA0RDT MINI WHIP
Installing a PA0RDT Mini-Whip In an Apartment. The recommended way of connecting the antenna is to have it off the ground with an unearthed mast in a garden or on a roof and then ground it from the antenna to earth with a grounding rod. Well, that’s not going to happen where I live, so I needed a way of getting it to work in a regular apartment. MAC OS HOW TO REMOVE PURGEABLE ON HARD DRIVE Optimize Disk Storage. Apple added a feature called “Optimize Disk Storage” in Mac OS Sierra. The idea is quite good. This feature isn’t well-implemented though. If you have it enabled in System Preferences under iCloud/iCloud Drive settings (which I think is on by default), you essentially have two different values of how much disk space you have available. CAMBRIDGE AZUR 640D MODIFY RIAA PHONO PRE-AMPLIFIER In the new pictures you can see that that’s done. I also added Silver Micas. The Azur 640p opened showing the main board. Desoldered caps in PSU for upgrading to Panasonic FM caps. All the caps and diods removed. Azur 640P Phono pre-amplifier opamp and caps upgraade. Input caps replaced with Black Caps. This site uses Akismet to reduce spam. APPLE AIRPORT UTILITY HIDDEN INFORMATION Apple Airport Utility how to display more information. While doing a Wi-Fi scan at work to get better reception and optimize the location and channel selection using NetSpot Wi-Fi Reporter, I had a problem.Our wireless network is set up with roaming, so when NetSpot Manager displays the scanned Wi-Fi device, it only shows the MAC address.So identifying an AirPort Extreme wireless router can be PHILIPS-FLUKE PM6665 FREQUENCY COUNTER WITH OVEN So I browsed around eBay and found an old Philips-Fluke PM6665 frequency counter with the optional 1.3GHz add-on board. With a 10 second gate time, I can get down to 0.1 Hz at 10 MHz, so that’s more than I need. It didn’t have the option of a better crystal, unfortunately. When I tested the PM6665 against my Trimble 10 MHzGPSDO reference
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HACKINTOSH WATER COOLING FAN PROBLEM February 13, 2020 by Jack ZimmermannLeave a Comment
When building my AMD Hackintosh, I decided to prepare for a future upgrade of my CPU. I based my current build on an AMD Ryzen 3900X , but I plan to update it to a Ryzen 3950X . So I decided to install a CPU water coolingsystem.
Filed Under: Computers, Macintosh
Tagged With: Hackintosh ,Hardware , Mac OS
MISTER FPGA GETTING ARCADE CORES TO USE MRA FILES January 25, 2020 by Jack ZimmermannLeave a Comment
MiSTer FPGA is an
amazing open-source platform where they use an FPGA development board from Terasic as the base to be able to do cycle-accurate emulation of computers, arcade games, and gaming consoles. But to get everything set up isn’t very easy. My main interest is the arcade cores for being able to play my favorite old games precisely as it would be, playing on the original hardware. I’ll try to give you a rundown on how to get it to work here. Filed Under: FPGA , MiSTerFPGA Tagged
With: Arcade , Emulation, FPGA
, Games
, MiSTer FPGA
QUARTUS PRIME FPGA USB-BLASTER PROBLEMS ON UBUNTU 18.04 January 12, 2020 by Jack ZimmermannLeave a Comment
I’ve decided to learn how to program FPGA:s. So I got myself two Terasic boards, one Terasic DE10-Nano for testing out the excellent MiSTer FPGA hardware arcade/computer/console emulator and a simpler DE0-Nano for beginning to learn Verilog. But the software used, called Intel Quartus Prime 19.1, is truly horrible. The Windows versiondoesn’t work with
Filed Under: Linux
Tagged With: Linux , PFGA, Quartus Prime
, Ubuntu
, USB-Blaster
BLOG IS UP AND RUNNING AGAIN! November 25, 2019 by Jack ZimmermannLeave a Comment
So my blog is finally back in business after being off the grid for many months. Things have happened in my life. A divorce, moving to a new apartment and trying to start rebuilding my life again. But nowI’m back!
Filed Under: Electronics SHAIRPORT CRASHING WHEN USING USB DAC WITH RASPBERRY PI March 26, 2019 by Jack ZimmermannLeave a Comment
I’ve moved over from Squeezebox server to Roon as my multi-room music playback system. The new system works wonderfully, and I love it. However, there’s one thing that I’ve had a problem with, and that’s getting Apples AirPlay to work reliably with my Roon Raspberry Pi endpoints running Diet-Pi Linux. The Shairport-sync constantly crashed. After Filed Under: Raspberry Pi Tagged With: AirPlay , Apple, DAC
, Raspberry Pi
, Roon
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I'm a Swedish computer old timer hacking away on computers since 1979. I'm a total Apple and Linux gear head. Right now, I'm really into electronics.RECENT POSTS
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