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 ...

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 ...

The most popular display system widely used in Arduino projects ... Read/Write). When interfacing with a microcontroller, VSS and VDD pins of the 16×2 Character LCD is connected to 0V (GND) and +5V ...