THE OPEN-SOURCE CELLPHONE
How I created an Arduino-based phone that you can build at home.
Written by David A. Mellis
1. USB
2. SPEAKER
3. BUZZER
4. BATTERY CONNECTOR
5. ATMEGA1284P MICROCONTROLLER
6. TACTILE BUTTONS (16)
7. MIC
8. LED MATRIX
9. LASER-CUT WOOD CASE
10. LIPO BATTERY
11. SIM SOCKET
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