Quantity   Component name
1 × ESP32 (DOIT ESP32 DEVKIT V1) To check Internet connectivity and control the relay
1 × Relay module (1 channel Keyes_Srly) To turn off & on cable modem
1 × 5V travel adapter with micro USB
1 × Breadboard Electronic Components / Misc. Electronic Components
1 × Jumper Wires
1 × 12V power jack supply socket (female)
1 × 12V power jack supply socket (male with cable)