High Resolution Encoders attached to Teensy 4.0 missing pulses

[MarkT]

@andres_zapata

My overclocked teensy (ca. 1 Ghz) can apparently not handle the pulses coming from two cui amt 102 v encoders which have 2024 ppr each

And require 5V to work, the Teensy 4 being strictly 3.3V only...