This project utilizes ESP32CAM module, Arduino nano, AS608 optical fingerprint sensor module, 12V Relay module, SSD1306 oled display, a solenoid lock for the smart door lock system. WORKING-PRINCIPLE ...

As Arduino projects go, it isn’t very sophisticated. The circuit contains a sound detection module and an optoisolator. The code would easily fit on a piece of notebook paper.

Components: Arduino Uno, Keypad, Bluetooth Module, Solenoid Lock, Relay Module, LED. Circuit Connections. Arduino Uno: Connect the lock to pin 12. Connect the LED to pin A0. Connect the Bluetooth ...

So, in this project, I have built an Arduino Keypad Door Lock which can be mounted to any of your existing doors to secure them with a digital password. Previously, we have also built other ...

MEMENTO ESP32 Camera Module, features an ESP32-S3 chip, supports Circuit Python and ... Bare Board Camera module is powered by the ESP32-S3 and can be programmed with CircuitPython or Arduino. The ...