What is I2C — Inter-Integrated Circuit?

Inter-Integrated Circuit, abbreviated as I²C or I2C is a Synchronous, Half-duplex, Multi-Master, Multi-Slave protocol invented by Philips Semiconductor (now NXP Semiconductors) in 1982. It’s good for Intra-Board Communication, Short-Distance and helps for Low-Speed peripheral to handshake and data transmission. Coming to the technicality it needs