A2 You are required to, compare and discuss the suitability of serial communication protocolsby the following application cases given: Case Case Application Serial Communication Protocol   Case 1 Bidirectional Microcontroller to microcontroller communication on the same PCB board.   RS232 vs I2C   Case 2 Bidirectional Microcontroller to multiple sensors. Sensors are 1m away from microcontroller.   USB vs SPI   Case 3 Unidirectional Microcontroller to peripheral communication. The environment is electronically noisy.   I2C VS RS485

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