mircemk| Quantity | Component name | |
| 1 | × | Arduino Nano R3 |
| 1 | × | LDR module |
| 1 | × | IRF730 Mosfet |
| 1 | × | 12V Relay |
| 2 | × | LED Fiber Optics / Emitters |
| 4 | × | Resistors |
Arduino Door Lock with Smartphone Flashlight Login
A simple project where access is made possible in a very unusual way with the help of a flashlight from a smartphone.