Microcontrollers

My collection of microcontrollers. Listed in order of descending clock speeds, then alphabetical by chip. See my Project Euler section for benchmarks.

BoardChipClockRAMFlash
KB2040RP2040125 MHz264 kB8 MB
Circuit Playground ExpressATSAMD21G18A48 MHz32 kB256 kB
Arduino Uno R4 WiFiR7FA4M148 MHz32 kB256 kB
Pro MicroMEGA32U416 MHz2.56 kB32 kB