An UNO bread-board w/ RPi-Pico, Arduino-Nano, Adafruit QtPy, SEEED Xiao! With some added features:
- Neopixel RGB LEDs.
- Shared I2C, SPI, UART, A/D & SD card.
- 5V/3V3 power source selectable.
- SPI LCD interface w/ touch.
- Arduino-Uno/Mega compatible size/Holes.
Fritzing part made by Eagle2Fritzing:
Parts located at here:(https://github.com/jmysu/RPi-Pico/tree/main/hardware/Fritzing/FritzingUnoPico/bins)
RPi_Pico Pinout from (https://www.raspberrypi.org/documentation/pico/getting-started/)
### Pico Pinout Terminal Diagram ###
curl https://gabmus.org/pico_pinout
Raspberry Pi Pico pinout diagram
Zoomable RP2040 top layer:
https://siliconpr0n.org/map/raspberry-pi/rp2-b0/mz_mit20x/
RP2040 chip teardown:
https://buzzchronicles.com/Mollyycolllinss/b/tech/10662/
Another inside description posted at Tiny Transistors
Finally, spi1 works on TFT_eSPI w/ bodmer/TFT_eSPI @ ^2.4.32
-RPi_Pico Pico Getting Started!
-Arduino RP2040 Connect Arduino board for RP2040.
-Adafruit QtPy Another SAMD21 dev. board.
-Eagle2Fritzing A nice tool converts Eagle .brd to Fritzing part.