A Raspberry Pi 4 based Pocket Computer

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A fully functional pocket computer with touchscreen, keyboard and trackpoint.

CPU: Broadcom BCM2711 mit Quad-Core Cortex-A72 (ARM v8), 64 Bit, 1,5 GHz
Video: H.265 (4kp60 decode), H.264 (1080p60 decode, 1080p30 encode), OpenGL ES 1.1, 2.0, 3.0
WLAN: IEEE 802.11.b/g/n/ac (2,4 und 5 GHz)
Bluetooth 5.0
2x USB: 3.0 (USB-C)
DISPLAY: DSI Display 720x720p IPS Touchscreen
EINGABE: 57 Tasten Keyboard und Trackpoint
AKKU: 5000mah Lipo

More details on my german podcast DAS WAR SCHON KAPUTT


The keyboard is made with QMKeyboard.

Raspbian OS with Phosh DE

3D printed housing at [Thingiverse](

German [VIDEO at odysee](

  • 1 × Raspberry Pi 4 8GB RAM
  • 1 × Hyperpixel 4.0 Square
  • 1 × Pro Micro ATMEGA32U4 5V/16MHZ
  • 1 × 59x MIKROTASTER 2 PIN 6x3,5x4MM
  • 1 × SugarPi2 S

View all 7 components

  • Last Day - Software

    Spider Jerusalem04/16/2023 at 12:26 0 comments

    Make software compatible with my other project the PiBoy best performance on botth with Manjaro ARM. 

  • Day 5

    Spider Jerusalem04/01/2023 at 11:43 0 comments

    Construct frame parts, better keyboard and print everything.

    Print keyboard sticker and laminate them. 

    Now i will make some testing and optimise the software.

    I think Phosh is a great desktop for this kind of PC

  • Day 4

    Spider Jerusalem04/01/2023 at 11:38 0 comments

    I also installed a USB soundcard for better Sound and Mic support, a 2W Speaker and switches for secureity to turn of the Mic.

    Everything should work now.

  • Day 3

    Spider Jerusalem04/01/2023 at 11:34 0 comments

    Solder LED for Keyboardbacklight and 3D Print keyboard and Frontframe:

  • Day 2

    Spider Jerusalem04/01/2023 at 11:31 0 comments

    Desolder all unused big parts like USB, RJ54 from the Raspberry Pi and cut out the baseboard.

    Install Raspberry Pi, PiSugar and Hyperpixel Display:

  • Day 1

    Spider Jerusalem04/01/2023 at 11:27 0 comments

    Soldering the Keys to the baseboard:

    Each key has is own diode.

    The diodes using the space between the Keys.

    At the Back side the columns was connected with thin coper wire:

    The QMK Layout is this:

    Install the Trackpoint board at the backside:

View all 6 project logs

  • 1
    Step 1

    coming soon...

    update will follow

View all instructions

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aaaaaa wrote 07/15/2023 at 13:10 point

very nice

how many weeks this device work on one charge?

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