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 ...

However, if you use an LCD module with I2C interface, you only need 2 lines to process the display information. Now a days, it is not necessary to buy an expensive I2C LCD for this task because ...

A primary controller that communicate with a number of row controllers that each control a number of single character display modules, connected via I2C. The idea is to separate the necessary ...

In the modern hobbyist world, there’s an elephant in the room – the sheer variety of I2C ... display and all GPIOs are in order. First thing to look into, then, is the controller IC type ...

He’s been looking into different interface options with the GPIO header and just posted a guide to using an HD44780 character display with ... of loading the i2c module and writing some Python.