News

GitHub27d
Arduino-based security alarm system with keypad PIN entry, LCD display, ultrasonic motion detection, and PIN change functionality.
1x ~220-330 Ohm resistor for the LED 1x 10k Ohm potentiometer for LCD contrast (if not using an I2C backpack with one) Arduino IDE (version 1.8.x or newer recommended) Keypad.h: For interfacing with ...
CNX Software7d
Arduino UNO SPE Shield adds Single Pair Ethernet and RS485 to Arduino boards
Arduino UNO SPE Shield adds Single Pair Ethernet (SPE) and RS485 to Arduino UNO and compatible boards, notably the Arduino UNO R4, via a Microchip LAN8651 SPE controller. Single Pair Ethernet relies ...
GitHub29d
Virmeher/Password-Door-Lock-Arduino
User enters the password using the keypad. LCD displays whether access is granted or denied. You can modify the code to control a door motor/lock mechanism.