see ToxPhone 1.0 (the original version) here
| Component | Price [€] |
|---|---|
| Raspberry Pi 3 Model B | 34.90 |
| Raspberry Pi Universal Power Supply | 18.00 |
| Samsung Micro SD Card 16GB | 15.00 |
| Raspberry Pi Camera Module V2 | 28.00 |
| Flexcable 30 cm for Raspberry Pi Camera | 5.00 |
| USB Sound Device DA-70772 | 10.00 |
| 3D printed parts | 6.18 |
| Matrix Keyboard | 7.00 |
| Screws, Tape, etc. | 8.00 |
| Raspberry Pi CPU cooler | 5.00 |
| Sum | 137.08 |
ToxBlinkenwall is all you need to transform your Raspberry Pi into a fully end-to-end encrypted 2 way Video Phone
it seems there was someone else already building a ToxPhone, and i did't know about it https://hackaday.io/project/9046-toxphone
if you are looking for the Software also called ToxPhone, see https://github.com/hkarel/ToxPhone