When an air quality display project needed a display, [Inderpreet] looked into small character-based LCDs. [Inderpreet’s] chosen LCD used an I2C interface, which was new to him. Rather than shy ...

They’re all so different, some are LCD and some are OLED ... This means that you will hardly ever see a color display with an I2C interface – because, as a rule, you need to send 16 times ...

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 GND to the ground rail. For the data connections, wire SDA to Pin 10, SCK ...

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 ...

The Pi-LCDAs it has been called provides an easy way to visually display anything you require on a backlit 16×2 LCD display that ... no SPI or I2C interface to contend with – so easily ...