5. Publish electricity readings over MQTT Subscribes to readings over MQTT and sends readings to serial port Gets readings Calculates delays Switches lights on and off My House (red) My Mum & Dad's House (green) Laptop Arduino Red Lights pub/sub broker on the Internet Green Lights
6. Publish electricity readings over MQTT Subscribes to readings over MQTT and sends readings to serial port Gets readings Calculates delays Switches lights on and off My House (red) My Mum & Dad's House (green) Laptop Arduino Red Lights pub/sub broker on the Internet Green Lights
7. Publish electricity readings over MQTT Subscribes to readings over MQTT and sends readings to serial port Gets readings Calculates delays Switches lights on and off My House (red) My Mum & Dad's House (green) Laptop Arduino Red Lights pub/sub broker on the Internet Green Lights
8. Publish electricity readings over MQTT Subscribes to readings over MQTT and sends readings to serial port Gets readings Calculates delays Switches lights on and off My House (red) My Mum & Dad's House (green) Laptop Arduino Red Lights pub/sub broker on the Internet Green Lights
9. Publish electricity readings over MQTT Subscribes to readings over MQTT and sends readings to serial port Gets readings Calculates delays Switches lights on and off My House (red) My Mum & Dad's House (green) Laptop Arduino Red Lights pub/sub broker on the Internet Green Lights
11. Publish electricity readings over MQTT Subscribes to readings over MQTT and sends readings to serial port Gets readings Calculates delays Switches lights on and off My House (red) My Mum & Dad's House (green) Laptop Arduino Red Lights pub/sub broker on the Internet Green Lights