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The timer is based on an Arduino Pro Mini and an HX1230 LCD with a simple piezo speaker for audible alerts. ... Continue reading “Over-Engineered Single Button Timer ...
The OONTZ uses a 3D printed case, a 16 button keypad, an Arduino Leonardo, a monochrome driver, and a few potentiometers. It's actually a pretty simple thing to build yourself provided you can the ...
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