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Nokia 3210 Retro Fit Board

Mainboard that retro fits a Nokia 3210 mobile phone. It packs a i.MX7 dual core ARM, 2GB RAM, OLED Display, WiFi and Bluetooth

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The classic and nearly undestrucable Nokia 3210 mobile phone was state of the art. Nowadays it can mearly bring a smirt on your face when you remember the old days of snake on a dual color lcd screen. This is about to change.

I am going to build a board, that fits into the space where the circuitboard of the old Nokia 3210 sits. It will come with the same layout for buttons and LEDs. The screen will be replaced by a OLED display that is much more beautiful than the original dual color TFT display.

For the CPU the current design is build around the STM32F439 but I am not sure if I want to stay with the STM part. I favour the i.MX7 controller since I am currently designing a board with the conroller anyway.

Furthermore I am looking into WiFi and Bluetooth. I am thinking about using the WiLink Modules from TI (http://www.ti.com/product/wl1807mod) The current design comes with an ESP8266 Module but that does not provide Bluetooth.

3210retro.pdf

Schematics of current version

Adobe Portable Document Format - 508.20 kB - 04/20/2017 at 13:33

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  • 1 × mcimx7d7dvm10sc i.MX7 dual core ARM CPU
  • 1 × 160x128 OLED Display
  • 1 × LM4930 Audio Codec
  • 1 × A7 GSM/GPRS Mobile Radio Module
  • 1 × ESP8266 WiFi Module

View all 6 components

  • i.MX7 version of the board

    Bastian05/18/2017 at 10:10 0 comments

    I created the i.MX7 symbol as well as a test project in my github repository. In the test project I want to draw schematics that can be 'ported' to the mobile phone project. Let's see if that can be easily done with KiCad...

  • CPU change to i.MX7 and OS to Android

    Bastian05/04/2017 at 13:12 0 comments

    I am going to change the CPU from STM32 to i.MX7. Since I am building an i.MX7 platform for another project I will use the CPU kernel to build the phone around. Should be fun.

    The new CPU will come with 2 core 1.2GHz ARM cores. Up to 2GB of DDR3 RAM and Wifi/Bluetooth.

    Currently I am drawing the schematics for the CPU kernel in KiCad. I will update the github repository in a couple of days.

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