Hooked on Arduino Raspberry Pi

Hooked on Arduino & Raspberry Pi

Infrared Fan Speed Control  This project demonstrates using an infrared light beam to measure the speed of a fan, and PWM to adjust the speed to a preset value.  I used a small 12 Vdc fan from a PC CPU heat sink.  It will run on 5V, somewhat slow, and drawing only about 40 mA, perfect for […]

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