I have built a phone with a Raspberry PICO W, a 4G LTE module, a LoRaWAN modem, 2 Displays, an old Blackberry keyboard, a vibration motor and some additional buttons along with prongs to have the device talking to digimons as a dcom or wificom. Power is provided by a 3000 mAh battery. I have used all GP pins from the PICO.... I had to modify and recompile circuitpython to support both displays. Now i need to write the code for it.
submitted by /u/mameise
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Source: https://www.reddit.com/r/raspberry_pi/c ... ophone_4g/