ProMicro RP2040 Replaces Helios 0xB2

RP2040 ProMicro is a main control board developed based on RP2040. Its pins are compatible with ProMicro 32u4. The price is for one piece.It has 4M flash memory, dual ARM Cortex-M0 @133MHz and 264kB SRAM. It is usually used as the MCU of ergonomic split keyboards such as corne, sofle, and physical therapy instrument 8. It supports qmk firmware.