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The PID_RELAY_OUPUT.ino file doesn't set pinMode(RELAY_PIN,OUTPUT) #146

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drf5n opened this issue Oct 28, 2024 · 0 comments
Open

The PID_RELAY_OUPUT.ino file doesn't set pinMode(RELAY_PIN,OUTPUT) #146

drf5n opened this issue Oct 28, 2024 · 0 comments

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@drf5n
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drf5n commented Oct 28, 2024

https://github.com/br3ttb/Arduino-PID-Library/blob/524a4268fc01e6ea397e7fc5b5d820741e9b662f/examples/PID_RelayOutput/PID_RelayOutput.ino#L32C2-L44C2

This leads to unexpected behavior since the pullup/high-impedance doesn't drive relays or relay drivers very well.

See #137 for a fix or just add a like like this to setup:

pinMode(RELAY_PIN,OUTPUT);
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