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Pin Change Interrupts - Difference in PORT Read & DigitalRead - Programming Questions - Arduino Forum
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Leonardo) Please help! All my input pins are going high low until i put a voltage then it stays high! - Installation & Troubleshooting - Arduino Forum
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Understanding HIGH and LOW Arduino Pin States :: Open Source Hardware Group Arduino Tutorials - YouTube
![Any idea why my relay (pin 2 is switching on when set to LOW and off when set to HIGH?) it is not the if statement as I have taken the HIGH Any idea why my relay (pin 2 is switching on when set to LOW and off when set to HIGH?) it is not the if statement as I have taken the HIGH](https://i.redd.it/xh2e5ak8ho271.jpg)
Any idea why my relay (pin 2 is switching on when set to LOW and off when set to HIGH?) it is not the if statement as I have taken the HIGH
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