Tweaks for the Bearmock with USB serial adapter and USB null modem adapter
https://techcoderadio.blogspot.com/2025/04/bearmock-for-python-3.html .. and generally for anykind of serial based dev emulator written in Python. Python 3.14/.15 with JIT tends to work a bit better than older versions $env:PYTHON_JIT=1 USB serial adapter: USB selective suspend off. USB null modem adapter: try different Latency Timer values.