Old LCD (Liquid Crystal Display) technology uses electronically controlled polarizers to change the way light passes or does not pass through them. This requires an external backlight the lights up ...

Posted in Arduino Hacks, classic hacks Tagged arduino, Arduino Uno, controllerless display, controllerless lcd, lcd ← Component Video For The Commodore 64 The Fine Art Of Restoring Matchbox Cars → ...

This is a simple 0 to 9 counter circuit constructed using Arduino! Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push ...

Learn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This beginner-friendly project is perfect for learning basic electronics, sensors, and ...