Using an AVR ATmega168 running the Arduino boot-loader, [pcmofo] has prototyped a two-part design. An RFID reader is mounted outside the door with data wires running to the inside where the ...

Electronic and Arduino enthusiasts searching ... “Last year I’ve made two door lock projects. One was the keypad project and the second one was an RFID door lock project each with a 3D printed ...

presenting the right RFID card to the wall-mounted reader sends a signal to the microcontroller, which clicks an accompanying relay that drives the locks. You may recall [Shawn’s] RFID phone ...