I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...

I'm new here and would like to build a self-made music box for my child. Unfortunately, I haven't been successful yet. First, I started with the TonUINO project, but soldering isn't my favorite thing ...

Pulling my hair out, I've tried everything. I know my RFID reader works because I set up a python script that monitors I swipe various cards, but that python script only works if it's using the ...