Arduino RFID Access Control using a RC522 RFID reader with SPI interface on your Arduino You define a Master Card which is act as Programmer then you can able to choose card holders who will granted ...
Here’s something fun from [Chad Kapper] over on HackMakeMod: Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called due to the board’s ...
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