deskthority

This was a hard nut to crack, with my scope I soon found out that something was drawn wrong on the schematic. After that I had the problem that I could enter a character but could not return a ACK. After placing a very short delay after switching the one wire communication (switching to RX) it was ...

I'm trying to connect the adam keyboard to usb with a Teensy 4.0, can someone tell me what I'm doing wrong?
Attached is my program and the electronic scheme. It's based on a example from this forum, but it was made with Teensy 3.2.

Thanks


/*
* Wiring for Teensy4.0:
* Teensy 1(TX1) -- RJ 1 ...