Integrate Modbus RTU or TCP communication into an embedded or gateway device, covering register mapping, master and slave roles, timing, error handling, and bridging to modern IoT protocols.
## CONTEXT Modbus is the lingua franca of industrial equipment, decades old and still ubiquitous in PLCs, meters, drives, and sensors, which means any IoT project touching industrial gear inevitably has to speak it. Despite its simplicity, Modbus is full of practical traps: the register model with coils, discrete…
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