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Nano Theremin — A 15-Minute Build with My Son
A hand-waving theremin on an Arduino Nano: ultrasonic sensor, passive buzzer, three jumper wires, and just enough explanation to teach my son what each part does.
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Mini CRT Arcade Box
A desk-sitting retro arcade in a 3D-printed CRT-shaped enclosure — RetroPie on a Pi Zero W with a 3.5" HDMI display, stereo speakers, and a front-panel volume knob.
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Motion Alarm — First Arduino Build
A PIR motion sensor, buzzer, and LED wired to an Inland Nano in under an hour. A beginner-friendly first microcontroller build — and the start of a bedroom booby trap.