Compact board for delayed, staged startup of up to three 12V PWM fans with RPM feedback, I2C control, and onboard 3.3V regulation to power logic and sensors.
Smart fan sequencer for PCs, servers, AV racks, and 3D printers: staggers 12V PWM fans with RPM feedback via I2C, reducing inrush and noise; 3.3V logic onboard.