Dynomotion Forum

Thanks for the advice, I actually ended up just using an NPN transistor!

Thanks for the quick reply - your reputation for responsiveness was a major deciding factor in my purchase decision. To see if I understand correctly and assuming my 5V relay does not pull too much current, the way to do this would be to drive the digital I/O low when I want to turn the relay on and...

On my CNC, the spindle relay is currently controlled by an open collector on its ground. Is it possible to configure one of Kflop's digital outputs to be open collector or can they only drive high?