Reference circuit diagram of an Arduino-compatible LCD backpack is shown below. What follows next is information on how to use one of these inexpensive backpacks to interface with a microcontroller in ...

Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and ...

When interfacing with a microcontroller, VSS and VDD pins of the 16×2 Character LCD is connected to 0V (GND) and +5V (VCC) of the concerened circuit ... connected to Arduino pin 3 (D3) to apply pulse ...

[Kaushlesh Chandel] prototyped a few projects on his Arduino that use an HD44780 Character LCD. Wanting to keep these projects in one piece, but not sacrifice his Arduino board, so he etched his ...