When running screen /dev/ttyUSB0 115200from the Pi, it works fine and i do see transmits.
edit:
Just yet i get a timeout error in PiMatic…
TimeoutError: operation timed out
at afterTimeout (/home/pi/pimatic-app/node_modules/pimatic-homeduino/node_modules/homeduino/node_modules/bluebird/js/main/timers.js:11:15)
at null.timeoutTimeout (/home/pi/pimatic-app/node_modules/pimatic-homeduino/node_modules/homeduino/node_modules/bluebird/js/main/timers.js:53:9)
at Timer.listOnTimeout (timers.js:92:15)
The error is gone after restarting my pi, might have been a wire issue, however, the debug does still not show any debug details.