Hello friends, I hope you all are doing great. Today, I am going to share the IoT Smart Door Lock with ESP32 - Proteus Simulation , the twenty-first project of our IoT Projects series. If you have searched for a Proteus simulation of a smart door lock or a keypad door lock with an ESP32, here is a complete one. An ESP32 DevKit V1 opens a 12 V solenoid latch when the right PIN is touched on a capacitive keypad or when UNLOCK is pressed on a phone, watches the door with a micro switch, locks again by itself, locks the keypad after three wrong PINs, and sounds a siren when the door is forced. A Nokia 5110 LCD, a passive buzzer and a live web dashboard show everything. Smart locks are one of the most popular home automation projects: a keypad on the door for the family, a button on the phone f ...