I am running UBUNTU 18.04 LTS on a Windows 10 machine. When I type lsusb in the Linux command window it returns nothing.

Thank you that was helpful. I am running UBUNTU on top of Windows. I selected to run as->Administrator when I started up UBUNTU. When that happened I was able to get path the permission denied error.

Thank you that was helpful. I am running UBUNTU on top of Windows. I selected to run as->Administrator when I started up UBUNTU. When that happened I was able to get path the permission denied error.

My system has a USB 3.0 port but I am using an old USB-to-MicroUSB cable, which I believe to be 2.0. Will this cause an issue with loading the quickfeather? Or do I need to purchase a USB 3.0 compliant cable?

When I issue the following command... sudo python3 tinyfpga-programmer-gui.py --port=/dev/ttyS5 --m4app quickfeather-simple-stream-data-collection.bin --mode m4 ...the response is... Traceback (most recent call last): File "/home/runner/.local/lib/python3.6/site-packages/serial/serialposix.py&q...

When I issue the following command... sudo python3 tinyfpga-programmer-gui.py --port=/dev/ttyS5 --m4app quickfeather-simple-stream-data-collection.bin --mode m4 ...the response is... Traceback (most recent call last): File "/home/runner/.local/lib/python3.6/site-packages/serial/serialposix.py&q...

It has been a while since I have worked with serial communications equipment so a little more information would help in my case. Can you please clarify the connection required to flash the quickfeather device? It seems the provided USB-to-TTL serial converter needs to be used to flash the unit, and ...