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Portable Capacitive Touch Piano with ProtoStax for Arduino
by Sridhar Rajagopal August 12, 2019

Make your own capacitive touch piano with slide keys. Use "Secret-Keys" demo jingles if your playing is not as good as your coding! :-)
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ProtoStax now supports Raspberry Pi 4 (aka Raspberry Pi 4 Model B)!
by Sridhar Rajagopal July 25, 2019
Greetings! I'm delighted to announce that ProtoStax now supports the latest Raspberry Pi 4 (aka Raspberry Pi 4 Model B)! While the board has a so...
- ProtoStax for Raspberry Pi 4 Model B
- protostax for raspberry pi B+
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RGB Matrix Audio Visualizer with Arduino (and ProtoStax for Arduino, of course! 😊)
by Sridhar Rajagopal July 19, 2019
Greetings! In today's project, we will look at how to build an Audio Visualizer (like a graphic equalizer display), that will put on a light show f...
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Weather Station with ePaper and Raspberry Pi (and ProtoStax for Raspberry Pi, of course!) 😊
by Sridhar Rajagopal July 18, 2019
Greetings! This is the first of the project related posts that I talked about in my last blog post. In today's project, I explain how you can mak...
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Projects to do with your Arduino or Raspberry Pi with ProtoStax!
by Sridhar Rajagopal July 17, 2019
Greetings! It has been a while since my last update, but we've been busy at work here at ProtoStax! We have described to you how wonderful Proto...
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Does Your Enclosure Keep Up with Your Prototyping Needs?
by Sridhar Rajagopal June 14, 2019

Last May, I was preparing for my presentation at Maker Faire Bay Area 2018 - "Easy Energy Monitoring with Arduino and Dr. Wattson." I'd created a prototype that could collect and log data from my energy monitoring board to an SD card in CSV format for later analysis, initiated by the press of a button.

As I was adding my finishing touches and adjusting the AC wires for the load to be measured, the inevitable happened ...
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