Quantity   Component name
1 × ACS712 In series Current measurement module IC
1 × Arduino(Bluetooth HC 05) or ESP8266(future)
1 × 5v Relay For turning off all appliances
1 × AC Fuse 13A In series for safety
1 × 5v AC-DC power supply module
1 × Momentary Push button For activating configuration mode
1 × Skill and passion