Hi, I'm trying to make the RFID be able to turn on an LED upon tapping the key, and then turning it off by tapping the same key again. In the event that the 2nd tap never happens, I want the LED to turn off by itself after 2 minutes. However, I'm having issue with the 2nd part. Right now, I'm only …

RFID to Control LED

bchoong November 9, 2021, 3:00am 12

I see! I'm still relatively new to this.
I've found a solution to my problem. Just had to define currentMillis outside of the if loops. But I'll be sure to try yours too!
Thanks for your help!

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RFID to Control LED

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