Translate analog XY-plotter output to HP-GL command stream.
Project showcase by johan34
A solar-powered temperature and humidity monitoring system for compost.
Project showcase by kkim20
If you want a device that could measure your heart beat and plot its curve trace on an OLED display, then this will be your best guide.
Project tutorial by MEGA DAS
Make beautiful music with Adafruit, SparkFun, Arduino and ProtoStax! Create an RGB matrix audio visualizer with Arduino.
Project tutorial by Sridhar Rajagopal
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