Now a days, it is not necessary to buy an expensive I2C LCD for this task because readymade serial backpack modules for standard LCDs are available at reasonable rates. You can use them with LCD ...

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 ...

Part of that is because modern microcontrollers make it so easy to work with; if you’ve got an I2C variant of the ... need a microcontroller “backpack” for the LCD to interpret the modulated ...