I'm creative maker and researcher providing consultancy, technical support and development visual arts and multimedia installations and technology related prototypes.

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MAR 17, 2018

CRAZY EYES: FIRST COMPLETE PROTOTYPE TEST After a long time parked, I took this project again and put the things together to do a first test moving the servos with the tracking

data.

The IR illumination system has a lot to improve, but so far the tracking is working fine. Video recorded by Xavi Selvi Posted by David Sanz Kirbis

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Labels: arduino

, arduvision

, computer

vision

,

embedded ,

infrared ,

tracking

DEC 19, 2017

AVOID ARDUINO RESETS CAUSED BY SERVO CURRENT SPIKE Dealing with relatively high torque servo motors powered by the USB port or a power bank through the arduino board may cause a current spike that lowers the voltage and makes the arduino reset... keep reading for a solution for this problem.

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Posted by David Sanz Kirbis

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Labels: arduino

, loop

, problem

, reset

, servo

JUL 11, 2017

HALOGEN FLOODLIGHT SMT REFLOW This project was waiting on a box fot two years, until I had to solder 100 PCBs. After some research on SMD/SMT reflow oven hacking, I was confident to build my own reflow device with an halogen floodlight.

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Posted by David Sanz Kirbis

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Labels: controller

, diy

, floodlight

, hacking

, halogen

, reflow

, SMD

, SMT

MAY 5, 2017

VALENTIA CASE-RAP FOLDABLE 3D PRINTER In the summer of 2016, browsing in Thingiverse I came across

the Case-Rap 1.0

foldable 3D printer by jlguils. I liked the design strategy of dividing the structure in parts that, when folded, transformed themselves into a portable case. And started to develop my own custom version: the Valentia Case-Rap foldable 3D printer.

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Posted by David Sanz Kirbis

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Labels: 3D printer

, 3d

printing

,

case-rap ,

foldable ,

rep-rap ,

valentia

APR 20, 2017

MYSTERIOUS Z RIBBING WITH PLA... SOLVED! I've been having consistent z ribbing on different custom printers since a year or so... No matter what I've tried (z wobble isolator , z axis strabilizer , threaded rod diameter/pitch

changed, etc.).

Yesterday my heated bed's MOSFET failed while printing yet another calibration cube and guess what... NO Z RIBBING!!!

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Posted by David Sanz Kirbis

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Labels: 3D , 3D

printer ,

3d printing

, heated

bed ,

Marlin , pla

, temperature

, z

ribbing

JUN 21, 2016

ARDUVISION (II): OV7670 + FIFO MODULE AND ARDUINO MEGA After several people asking for instructions to use an Arduino Mega to interface the ov7670 sensor, I decided to publish a tutorial about

it...

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Posted by David Sanz Kirbis

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Labels: 2560 ,

al422 , arduino

, arduvision

, cmos

, computer vision

,

fifo , Mega

, module

, omnivision

, ov7670

, ov7725

, processing

,

processing.org

MAY 27, 2015

SIMPLE PASSIVE MONO/STEREO TO STEREO AUDIO MIXER CIRCUIT A while ago I needed a very simple pasive miker to join one stereo and two mono signals together before amplifying them... There is some mixed information on how to properly connect a mono signal to a stereo input

,

but most of it uses active mixing.

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Posted by David Sanz Kirbis

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Labels: audio mixer

, board

, circuit

, electric

, electronic

, layout

, line

, mic

, mono to stereo

,

passive ,

schematic ,

signal , sound

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