Hello again,
I changed the memorycard to a branded Sandisk 16 GB, and now it works perfectly.
The other card was an unbranded OEM-card that I had lying around.
Hello forum,
Just joined here since I recently purchased a Audio Shield Rev. D for my Teensy 4.0.
I went over the tutorial video: Audio tutorial
The plan is to work with FFT and peak detection to run two stepper motors to synchronise movement...