Vishwas Navada B| Quantity | Component name | |
| 1 | × | Arduino Nano |
| 1 | × | LCD 16x2 (Optional) |
| 1 | × | Relay module |
| 1 | × | Old mobile phone |
| 1 | × | Soldering Iron |
| 1 | × | Wires |
Convert your old phone into a remote switch
Have some old phones lying around? Thinking what to do with them? Here's how you can use them.....!