Quantity   Component name
1 × ESP8266 (WEMOS D1 Mini) To check Internet connectivity and control the relay
1 × Relay shield for WEMOS D1 Mini To turn off & on cable modem
1 × YwRobot power supply To power WEMOS D1 Mini and relay shield directly with 5V
1 × Double side coopper prototype PCB Electronic Components / Misc. Electronic Components
1 × Jumper Wires
1 × 12V power jack supply socket (male with cable)
1 × Male header To connect power cable to the modem