GitHub - microchip-pic-avr-examples/pic18f56q71-bare-metal-i2c-mplab: This example contains a simplified, reference I2C driver for the PIC18F56Q71 family.
I2C Detective identifies the I2C devices connected to your microcontroller - Electronics-Lab.com
I2C Communication with PIC Microcontroller PIC16F877
Multiple I2C Buses with an Arduino and TCA9548A Module
I2C LCD driver for CCS PIC C compiler - Simple Circuit
How to use I2C-bus on the Atmel AVR Microcontroller | ermicroblog
Multiple I2C Buses with an Arduino and TCA9548A Module
Lab 14: Inter-Integrated Circuit (I2C) communication | Embedded Lab