nyi| Quantity | Component name | |
| 1 | × | Sparkfun 12 button keypad https://www.sparkfun.com/products/8653 |
| 1 | × | Raspberry Pi |
Keypad for Gigaset Elements
We attach a keypad to the commercial Gigaset Elements alarm system. This extends the system so that it can be turned on/off with a PIN.