Variable Speed Control for Delta BFB0712HHD77 Fan Blower

[APDahlen]

Hello @mmsawals,

A quick follow up to @David_1528 comment.

This may help you get started:

Arduino Control of a 4-wire Fan

What is a 4-wire fan? The 4-wire fan is often used to cool electronic devices such as the CPU and enclosure of a desktop PC. The 4-wire connection allows an external control device to vary the fan speed as well as monitor the rotational velocity. This is a desirable energy saving feature as the controlled fan operates at the minimum necessary speed. From a human factors perspective, the slower (optimal speed) fan is preferred at it has less acoustic noise pollution. This engineering brief demon…

Note that the Arduino Nano Every is a 5 VDC device.

Sincerely,

Aaron