Switch AC appliances remotely with cellular control

Ezflyr built an AC relay switch that receives commands over the cellular phone network. An ADH8066 quad-band GSM cellular module handles the communication, while a PIC18F2550 controls the relays and reads temperature sensors.

The goal of this project is to remotely switch heaters on his aircraft, which requires a few hours of preheating before a flight to function reliably.

Via the fourm.

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