[Solved] Cooling Fan Speed Inverted
Cooling fan will be at 100% when set to 0% and vice versa. I double checked pin configuration and it is correct as per this:
https://d3t0tbmlie281e.cloudfront.net/igi/ratrig/Ddp1ogoUhwTkDXvc.huge
I assume this is an easy config change, but I am unsure where.
1 Reply
Ah I see, it's mentioned here albeit indirectly
https://os.ratrig.com/docs/guides/4028/#pwm
Connecting a 4028 fan | RatOS
4028 server fans are becoming a popular option for part cooling because of their light weight and great pressure and flow rates. In this guide we'll go over how to connect one and use it for part cooling. 4-pin fans usually aren't used in 3d printers, and many boards only provide 2-pin ports, but fear not! There's always a way.