Story
MOTHERBOARD ONLY !
Front panel for this updated version is not finished now.
Hardware Specifications
- Display: 2.8" IPS Screen delivering exceptional clarity with vibrant color reproduction
- Processor: Powered by the versatile Raspberry Pi PICO microcontroller
- Connectivity: Micro USB-C interface for data transfer and programming
- Power: Integrated 18650 lithium battery charging circuit
- Input: Comfortable 49-button QWERTY keyboard layout
- Audio: AY sound chip emulation for authentic retro gaming audio
- Dimensions: Compact 180 × 120 mm form factor
Use Cases
- Educational Tool: Perfect platform for learning programming concepts
- ZX Spectrum: Specially optimized for ZX Spectrum emulation, which perfectly matches the 320×240 screen resolution (PICO ZX Spectrum by Fruit-Bat)
SD Card Setup Instructions
To properly configure your device, create the following directory structure on your SD card:
/zxspectrum/snapshots- Directory for storing .z80 game snapshot files/zxspectrum/quicksaves- Dedicated folder for your quick-save states/zxspectrum/tapes- Storage location for .tap tape image files
Component List for DIY Assembly
> Important: We do not currently offer component kits or individual parts. Only bare PCB sets or fully assembled units are available.
Essential Components:
| Component | Quantity | Description | Notes |
|---|---|---|---|
| Raspberry Pi PICO 2 | 1 | Main microcontroller board | RP2350 |
| DTS63K | 50 | Tactile switches (7mm height, 1N force) | Any comparable 1N force switch will provide comfortable typing experience |
| SD Card Reader | 1 | Standard microSD card slot | Required for retro computer emulation functionality |
| 2.8" IPS Display | 1 | 12-PIN 280×240 ST7789V | Purchase options: IPS HP28010-D Option 1 or IPS HP28010-D Option 2 |
| LPT1109DS | 1 | Piezoelectric element | Audio feedback and sound generation |
Electronic Components:
| Component | Quantity | Description | Function |
|---|---|---|---|
| BSS123 | 1 | Transistor | Display backlight control |
| 10R 0603 | 1 | Resistor | Display backlight circuit |
| 4.7kΩ | 1 | Resistor | Display backlight bias |
| JS202011CQN (C&K) or MSS-2235 (NINIGI) | 1 | Side-mounted switch | Power control (device will function without this, but recommended) |











