The SCL pin is responsible to send clock signal in order to synchronize data transfer between the arduino and the slaves. So, basically I2C is just SPI communication with a total of UART cable (only ...

LCD, Keypad, Enclosure Expansion Arduino Shield (video) 9:57 am March 6, 2015 By Julian Horsey ...

About This project implements a basic calculator using a Raspberry Pi Pico microcontroller, a 4x4 Keypad Module, and an I2C 16x2 LCD Display. The calculator allows users to perform addition, ...