A small update to the encoder recommendation: In some cases, the Alps 12mm encoders may need to have the middle and right pins (when looked at from above) crossed and DETENTED1 does not work properly. This operation can be done easily by clipping of the metal pins and soldering two crossed wires. Norbim1 was totally right! The funny thing: No problems occur with the old LPC17 board. And it is quite usable with the STM32F4 board, but someti