Amazon
RP2040 32-bit Cortex M0+ dual-core running at ~125 MHz @ 3.3V logic and power Can be used with MicroPython or CircuitPython Built-in RGB NeoPixel LED 8 MB SPI FLASH chip for storing files and CircuitPython/MicroPython code storage. No EEPROM Really really small
RP2040 32-bit Cortex M0+ dual-core running at ~125 MHz @ 3.3V logic and power Can be used with MicroPython or CircuitPython Built-in RGB NeoPixel LED 8 MB SPI FLASH chip for storing files and CircuitPython/MicroPython code storage. No EEPROM Really really small