PiPhone - a mobile phone based on the Raspberry Pi
Irish engineer David Hunt assembled a PiPhone mobile phone based on the Raspberry Pi.
The phone has a touch screen and allows you to make calls using external headphones and a microphone.
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The cost of the components was 158 dollars:
- Raspberry Pi Model B - $ 40
- PiTFT Touchscreen 320 × 240 - $ 35
- 2500mAh LiPo Battery - $ 15
- SIM900 GSM / GPRS Module - $ 48
- DC-DC Boost Voltage Converter 3.3V - 5V 1A - $ 10
- Cables, connectors, etc. - $ 10
A sourceSource: https://habr.com/ru/post/221567/
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