Actuator Relay giving error

Bugs / Issues
1

Hi ,

I am using Raspberry Pi Model 3B+ V1.3 . I am beginning Cayene and I was trying to make my first ever simple program. By adding relay switch .

Actuator%20_error
Actuator%20_error1167×689 49.9 KB
Unfortunately ,its giving error and nothing that i know of is fixing it. After I choose Actuators>Relay Switch> giving it name, Integratred GPIO,channel 4, button, toggle switch its giving error like

Please fix the following errors:

  • Failed to add the sensor (Device command failed)
2

Are you still not able to add the relay widget?

3

Thanks for response. I changed the channels and it started working. Although , i find it strange that why the most of channels were not working.

4

For the benefit of others. Please use GPIO21.

5

it does not matter if it only GPIO21. you just have to not use special GPIO and already used GPIO.