PICOmputer hardware family
Universal 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 |
Display |
Main CPU board |
Meshtastic |
Armachat |
MCUME |
NOTE |
|
PICOmputer 28 |
100x102.8 |
2.8" 240x240 |
Raspberry PICO Raspberry PICO W |
NO |
YES |
YES |
Same motherboard |
|
PICOmputer 28 S3 |
|
2.8" 240x240 |
ESP32S3 |
YES |
YES |
NO |
|
|
PICOkeyboard |
100x55 |
on externall module |
RaspberryPICO |
NO |
YES |
YES |
No SMD parts |
|
PICOkeyboard S3 |
|
on externall module |
ESP32S3 |
YES |
YES |
NO |
|
|
ArmaWatch |
79x69 |
0.96" IPS color LCD 160×80 |
WaweshareRP2040LCD0.96 |
NO |
YES |
NO
|
Integrated display simplify assembly |
Common components
Currently used components and alternatives
Assembly details
Look on-side
pCB BOARD for Armachat compact
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
