PeMi Technology - Factory For Materializing Dreams

PICOmputer

Universal Raspberry Pi PICO RP2040 pocket computer with QWERTY keyboard and display

 

Common features:

  • RP2040 microcontroller chip designed by Raspberry Pi in the United Kingdom
  • Dual-core Arm Cortex M0+ processor, flexible clock running up to 133 MHz
  • RFM95W LoRa radio module (optional)
  • uSD card reader (optional)
  • HD IPS SPI display
  • QWERTY keyboard
  • Native USB
  • unbrickable bootloader in ROM
  • all models compatible without code change
  • wide programing language support Arduino, C/C++, Micropython, Circuitpython

 

Raspberry Pi Pico:

  • 264KB of SRAM, and 2MB of on-board Flash memory
  • Micro USB

 

RP2040-Plus: waveshare.com/rp2040-plus

  • 264KB of SRAM, and 4MB of on-board Flash memory
  • USB-C connector, keeps it up to date, easier to use
  • Lithium battery recharge/discharge header, suitable for mobile devices
  • Onboard DC-DC chip TPS63000, high efficiency DC-DC buck-boost chip, 1.8A current switch
    • NO CODE CHANGES REQUIRED

 

FAMILY:

Name

Dimensions
in mm

Display
preferred

Display

alternative

Main CPU board

Other
Purpose

Armachat
messenger
code

MCUME
Retro Computer

LORA
Module

Back
cover

KEYBOARD

NOTE

PICOmputer

100x70

1.54" 240x240

1,3"

RaspberryPICO
WaveshareRP2040plus

Armachat

YES

NO
(low resolution)

RFM95W

NO

36 keys

Same main board,
3 types of display window

PICOmputer
MAX

100x70

2" 320x240

 

RaspberryPICO

RetroGames
Armachat

YES

YES

RFM95W

NO

36 keys

PICOmputer
ZX
100x70 1.69" 280x240
round corner
  RaspberryPICO
WaveshareRP2040plus
RetroGames
Armachat
YES YES
(Display for display resolution best fit ZX only)
RFM95W NO 36 keys

PICOmputer
BOX

100x100

2" 320x240

1.54"
1,3"
1.69" round corner

RaspberryPICO
WaveshareRP2040plus

RetroGames
Armachat

YES

YES

RFM95W

YES

36 keys

6+1 PCB fully closed version

Armachat COMPACT

80x70

2" 320x240

1.54"
1,3"
1.69" round corner

RaspberryPICO
WaveshareRP2040plus

​​​Armachat

YES

NO
(without SD card)

RFM95W

Optional

30 keys

Optional keyboard backlight

PICOkeyboard

100x55

2" on module

Any by wires

RaspberryPICO
WaveshareRP2040plus

RetroGames
Armachat

HID

Mechanical keyboard
Cyberdeck
Clamshell
BADUSB

YES

YES

RFM95W

NO

36 keys

No SMD parts
PICOkeyboard
XL
Under development

 

Any by wires

RaspberryPICO
WaveshareRP2040plus

Retro games
Armachat

HID Keyboard
Cyberdeck
Clamshell
BADUSB

YES

YES

RFM95W

NO

49 keys

No SMD parts

ArmaWatch

79x69

0.96" IPS color LCD 160×80
(integrated on waveshare module)

  WaweshareRP2040LCD0.96   YES
(pinout changed)
YES RFM95W YES 36 keys Integrated display simplify assembly

Common components

Currently used components and alternatives

Assembly details

Look on-side

Optional keyboard backlight

+20mA consumption

SMA antenna connector

TH or Edge connector with variable mounting orientation
Also usable on MAX and Keyboard

Alternative Crazy display

some more pin compatible displays,  small code change required, redesign user interface and adjust window on front panel

Picomputer MAX, BOX and Keyboard

PCB integration

The age of the rectangular PCBs is already far away,

now PCB is not just be a carrier, it is device, enclosure or sensor

Factory for Materializing dreams

One day is it dream, but it's not just a dream, it's just a vision of the near future ...

Finding new solutions

Make simple and reliable circuit

Continuous improvement

Firmware updates
Modularity

Advanced procedures

SMT assembly

Reflow
Rapid prototyping