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MikroPhone: A privacy enhanced, simple and featured RISC-V mobile phone
The goal of this project is to develop a privacy enhanced, simple and fully featured mobile phone. For more information about the project see about page.
The goal of this project is to develop a privacy enhanced, simple and fully featured mobile phone. Central MCU: SiFive Freedom E310-G002 (RISC-V) microcontroller Wireless: Espressif ESP32 Wi-Fi + Bluetooth Cellular modem: Mini PCIe module (SIMCom SIM7600X or Quectel EC-25) Graphics: BT817 Display controller Audio: 2xMAX98357A Class D amplifier / PCM1770 headphone amplifier / ICS-43434 MEMS Microphone / MAX9814 microphone amplifier Storage: SD card (FAT filesystem, AES/Blowfish encryption support) Power: Lithium battery + charger (BQ25895) 128x68mm prototype board built and tested; Central MCU OS almost feature complete.
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