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Re: Compressor Programming
Your wiring sounds correct.
Do the Relay LEDs on the Digital Sidecar (right in front of the Relay pins) come on at all?
You can test the DIO 1 input by substituting a regular switch on the sig/gnd pins. or just jumping the sig to gnd.
The Relay LEDs will be off or green depending on how the switch is thrown if the code is operating properly.
You can debug from there.
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