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 ...

Assume that you are moving towards a complex microcontroller project ... 16×2 LCD directly with the microcontroller, for instance Arduino, you would need atleast 6 I/O pins to talk to the LCD. However ...

Building radio receivers from scratch is still a popular project ... I2C. He also integrated a 3W amplifier into this build, and everything is controlled by an Arduino including a small LCD ...