Password Entry System with LCD Display - Arduino This project implements a password entry system using Arduino, where users enter a 4-digit password via a keypad, and the entered password is displayed ...

Your LCD display should have 16 pins coming out from the bottom. Each pin has different functions: VSS: Pin that connects to ground. VDD: Pin that connects to a 5v power supply. VO: Adjusts the ...

This simple WiFi serial port monitor would have saved us a lot of trouble. We can’t count how many times where being hooked into an Arduino with USB just to get the serial out has nearly been… ...

Whereas a typical scale would then simply show the resulting number on an LCD display, [Mirko] decided to use a moving coil meter driven by the Arduino’s analog output.