Can anyone tell me the voltage on the bean tray cooling fan? It’s variable speed so I’m guessing it’s a 3 wire dc fan? 12v would be my random guess?
I ask because i like the firmware controlled pwm/variable voltage arrangement and integration but I’d like to up my cooling and venting so i am considering using the signal from the roaster to flip a relay or otherwise trigger a bigger cooling solution so the roaster still controls things