SALE OPTIONS

• BARE PCB set only without components and Raspberry pi PICO, this bare boards you can assembly with LoRa RFM95W module and build Armachat communicator game device or universal PICO learning toy
• Assembled PICOmputer MAX with SD card reader as universal retro computer

You receive only main board and front panel without components or ASSEBLED UNIT by your choice

Pictures in gallery are only for reference !!!

I am take care to minimize external components, use maximum features integrated on PICO board: Power switch use enable input on PICO, ON-BOARD LED is visible thanks to missing solder mask, PICO boot button hole. Overall dimensions are smallest as possibly.

READ PLEASE !!! You can run retro computer machine emulator MCUME

FEATURES:

• Smallest as possibly 115x93x17mm
• Absolute minimum components.
• Access to boot button
• IPS 320x240
• Piezo Speaker
• free GPIO header
• Reset button
• power switch controlling internal buck-boost
• micro SD card
• optional RFM95 LoRa radio
• you can use RFM95 or micro SD not both !!!! they sharing same GPIO

Supported displays:

• 12pin st7789 IPS 240x240 via flex cable 1.3" inch
• 12pin st7789 IPS 240x240 via flex cable 1.54" inch
• 12pin st7789 IPS 280x240 via flex cable 1.69" inch round corner
• 12pin st7789 IPS 320x240 via flex cable 2" inch
• 8pin st7789 IPS 240x240 via header
• any display with popular china module pinout GND,VCC,SCK,DAT,RES,DC,CS,BACKLIT
• BEST DISPLAY 2.8" IPS screen 18PIN 320x240 ST7789V

Sale options:

• bare main board + GOLD front panel hole for 2.8" display no components included + bottom + 4x side

• Assembled + GOLD front panel Soldered keyboard, RPI PICO, 2.8" 320x240 display, SD card

• Assembled + GOLD front panel Soldered keyboard, RPI PICO, 2.8" 320x240 display, LoRa

Required components

CODE EXAMPLES and DEFINITIONS

 #define TFT_CS        21
 #define TFT_RST       RUN
 #define TFT_DC        16
 #define TFT_MOSI      19
 #define TFT_SCLK      18
 #define TFT_BACKLIGHT 20 //Display backlight pin 
 #define speaker       0  
 #define SDcard_CS     13

 byte colPins[COLS] = {1, 2, 3, 4, 5,14}; //connect to the column pinouts of the keypad extra cursor keys 14
 byte rowPins[ROWS] = {6, 9, 15, 8, 7, 22}; //row pinouts of the keypad
 char directKeys[ROWS][COLS] = {
  {KEY_RETURN, ' ', 'm', 'n', 'b',},
  {KEY_DELETE, 'l', 'k', 'j', 'h',},
  {'p', 'o', 'i', 'u', 'y',},
  {KEY_SHIFT, 'z', 'x', 'c', 'v',},
  {'a', 's', 'd', 'f', 'g',},
  {'q', 'w', 'e', 'r', 't',}  
 };