Here you can find the circuit diagram for the Bidirectional Counter using Arduino. The circuit diagram below represents how ...

To make it more user-friendly, I decided to use a 16x2 I2C-based LCD display to show door status and to provide important feedback messages to the door opener like Access Granted or Access Denied. In ...

You might have heard of LCD TVs and monitors, you might know what LEDs are, but how they relate to new TVs isn’t especially clear. Alongside their best OLED TVs, Samsung, LG, Sony, TCL ...

Tested on an UNO and a 20x4 character LCD, and limited on a 16x2 LCD. The versions 0.1.0 and 0.1.1 were not stable and gave a garbled display. It looked like the data came too fast for the display to ...