treibair| Quantity | Component name | |
| 1 | × | Arduino Pro |
| 1 | × | FeTAp 791 rotary phone |
| 1 | × | SIM-card holder |
Mobile Rotary Phone
Mobile Phone conversion of a German FeTAp 791 with an Arduino and a cheap cell phone
Mobile Phone conversion of a German FeTAp 791 with an Arduino and a cheap cell phone
| Quantity | Component name | |
| 1 | × | Arduino Pro |
| 1 | × | FeTAp 791 rotary phone |
| 1 | × | SIM-card holder |