That way, I can spring my quick disconnects (Koolance QD4s) and boom, the two units are distinct. The goal is to have nothing running between the case and the MO-RA3 except for the coolant tubing. Looking at the hub with the clear side oriented up, the left wire is the PWM input, and the right wire is the tach output. The hub has a two-wire hookup for tach and PWM (12V and ground are provided through the SATA power hookup). Only one fan's RPM will be reported (whichever one is plugged into the red fan hookup), so it's important that we use the same model throughout. We use a 12V PWM+DRGB hub for the many fans of the MO-RA3. We will also need an LM2596 buck converter and six IRLB8721 logic level MOSFETs, a TXB0108 level shifter, and various resistors. These will be used with my MO-RA3 to collect realtime data (fan RPMs, temperatures, etc.) and provide realtime control (fan PWM/RPM, RGB signals). Let's fuck hard with some fans using an Arduino MEGA and a Heltec LoRa ESP32 v2.
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