writeSingleCoil abstract method
Write single coil (FC 05).
Writes a single coil to either ON or OFF.
Parameters:
slaveId: The slave device ID (0-247, 0 for broadcast)address: Coil addressisOn:truefor ON (0xFF00),falsefor OFF (0x0000)
Example:
await client.writeSingleCoil(1, 0, true); // Turn on coil 0
Implementation
Future<void> writeSingleCoil(int slaveId, int address, bool isOn);