Pro Micro - RP2040
Buy 10 and save 9%:€12.04 €9.95
RP2040 chip designed by Raspberry Pi is also available on boards from Sparkfun.
The Pro Micro RP2040 includes an addressable LED, buttons, Qwiic and USB-C.
The Raspberry Pi foundation provides excellent documentation for programming the RP2040 using either MicroPython or C++.
More information is available on the website of Sparkfun.