Arduino is an I2C communication application. In this application, I2C communication takes place between the Arduino and the MCP23017 integrated circuit.

This is an Arduino library for HD44780 LCD display, operated in 4 bit mode over I2C bus with 8-bit I/O expander PCF8574 ...

NUREMBERG, Germany--(BUSINESS WIRE)--Arduino returns to Embedded World (11-13 March 2025) with the full power of its open-source ecosystem and a collaborative vision that welcomes partnerships ...

Later it calculates the Current count of people and makes those values get updated on Display. In order to make our Arduino UNO communicate with a 16x2 I2C LCD display properly, the above library is ...