cstoker2

I agree that a teensy 4.0 should work well, it has libraries for quad encoders: https://github.com/mjs513/Teensy-4.x-Quad-Encoder-Library for fast stepping (300k/s): https://github.com/luni64/TeensyStep4 and for the tm1638: https://github.com/gavinlyonsrepo/TM1638plus

also experiencing this issue on a Leonardo. Error messages: `In file included from /Volumes/users/cameron/Documents/Arduino/libraries/PCINT_r-site.net/src/pcint.cpp:1:0: /Volumes/users/cameron/Documents/Arduino/libraries/PCINT_r-site.net/src/pcint.cpp: In function 'void PCint(uint8_t)': /Volumes/users/cameron/Documents/Arduino/libraries/PCINT_r-site.net/src/pcint.h:62:56: error: 'pcintPinMap' was not declared in this scope #define pcintPinMapBank(slot)...