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The Occam’s Microcontroller

Posted March 14, 2018 by Chris

"’Occam’s Microcontroller’ is my article in the Autumn 2013 edition of the G-QRP Club’s ‘SPRAT’ Journal – and the subsequent presentation at The G-QRP Club’s Rishworth QRP Convention, 26th October 2013. This page exists to provide supporting resources for the article (and for subsequent presentations associated with it). These resources include code, schematics and PCB design files."

FPGA Audio Peak Level and Correlation Meter

Posted March 11, 2018 by Chris

"I started this project more to gather some experience with FPGAs, rather than to design or own such a device, but it ultimately developed into a complete design, consisting of several boards."

OSC and MIDI Foot Controllers

Posted March 8, 2018 by Chris

"The goal of this project is to provide open hardware design of OSC (Open Sound Control) and MIDI foot controllers, primarily targeted for use with SooperLooper, distributed under the GNU General Public License."

ATMega32A Dev Board V2.0

Posted March 5, 2018 by Chris

"It was found whilst using the original ATMega32A Development Board that there was a couple of things missing that would make life much easier. So here is is the updated version of the ATMega32A Development Board V2.0."

Electrostatic/Smoke Precipitator – A Simple One

Posted March 2, 2018 by Chris

"A smoke precipitator, or an electrostatic precipitator, is a device which removes smoke or other particles from the air using high voltage electrostatics."

ATiny 170×240 VGA with 8 Colors

Posted February 23, 2018 by Chris

"So what can one do with an ATTINY-85 and no other external components, an 8 pin package that leaves ONLY 4 IO lines after you feed it a clock?? How about 4 color rock solid VGA with stereo sound!!! I kid you not, with only 4 IO pins, this little AVR pulls it off."

DIY Basic Cellphone

Posted February 20, 2018 by Chris

"An exploration into the possibilities for individual construction and customization of the most ubiquitous of electronic devices, the cellphone. I investigate the implications of digital fabrication and open-source hardware for DIY practice."

Make your own Nixie Tube socket

Posted February 18, 2018 by Chris

"In this mini tutorial we introduce a quick and cheap way to make your own Nixie Tube sockets to use them on your next Nixie project. A socket enables you to change a damaged Nixie Tube quickly and with minimum effort."

The Cherry Express

Posted February 15, 2018 by Chris

"Finally got the linebot working reliably. I’ve uploaded 3 images and a movie. I also included the modified Arduino script provided for the “method 1” servos and “V2 Adafruit_Motorshield” I’m using. My sensor board image shows the original 5 sensors described in your “Arduino Robotics” book, but you’ll notice now only the three middle sensors have signal wires, to match the 3-sensor script you provided. "

Raspberry Pi Gameboy Pocket

Posted February 12, 2018 by Chris

"The Pi-Pocket is a mini portable games console capable of playing Gameboy, NES, Sega Master System, Game Gear games along with other popular Linux ported titles such as Doom and Duke Nukem using the popular Raspberry Pi emulator front-end known as RetroPie."