View single post by slychiu
 Posted: Saturday May 9th, 2020 05:05 am
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slychiu



Joined: Saturday Apr 29th, 2006
Location: Singapore
Posts: 5502
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Comfort outputs are Open-collector transistor. That means that when the Output is ON it gfoes to 0V when output s Off the output is floating. If you want it to be 12V then you should add a resistor eg 1K from Output to 12V
I expected tghe IN input should have a pulup resistr but that may not be so

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