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A project log for DIY GSM arduino FR4 cell phone

Simple gsm phone with 22x5 LED display, 16 keys, atsamd21, and sim800l module, QI charging

bobriciusbobricius 10/13/2016 at 21:590 Comments

Almost finished pcb design.

I separate batch to 2 batch:

1. back and side boards

2. top and cpu board

It is more versatile if I found error on CPU board I can use back boards

I am back focused for mega328 ... samd21 is prepared for next version with discrete leds matrix and micropython

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