sytem

How to make your own Security system|DIY Arduino Security sytem

This is another Electronics DIY project of mine It is a security system that i built for my room. The access is controlled by a PIN or an RFID tag. An ATMega328P controls the Drop Bolt solenoid that locks the door. MFRC 522 reader and a 4×4 keypad are used here. A backup power supply […]

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