Resurrecting a GPU Cooling Fan Using a Micro-Processor and PWM

Trying to rescue a GPU cooling system containing a 12V 4-wire fan using a PWM signal from ATtiny85 and reading a voltage from ADC from a potentiometer knob. Ultimately building a 4-wire fan controller. 25kHz PWM on ESP8266: Software

June 16, 2018 · Debashish Sahu