Hello friends,
I installed at my Rasperry 3B+ a 8 chanel relay card.
Standard relay, not any SSR.
on the Relay card is a LED for each relay - state LED. I think you know that.
If the Pi is off, the relay is off. If I start the pi and Nodered starts, the Relay is activ (LED is on and Relay closed).but in my Nodered I can see there is a 0 (zero) as GPIO state.
If I press to activate the relay, the LED goes off.
This is revered.
I don´t know where is my failure.
Can somebody support me?
Installed node: node-red-node-pi-gpio
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Thanks Herbert
