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limit switches to Sainsmart 2in1

PostPosted: 10 Mar 2017, 17:42
by enkidu83
I can't find any info on how to wire the Rigidbot's stock limit switches to my Sainsmart 2in1, can anyone help me out?
I know the axes, but I have 3 pins per switch on the board to choose from: S (Signal?), G, 5V:
Image

I've already fried a voltage regulator on a previous board due to this issue, so any help would be greatly appreciated :)

Cheers and thanks in advance,
Tom