You'll need to simultaneously press reset and hit upload in the PlatformIO IDE. The DFU device is available via usb only for a very short while.
See https://www.gpsbabel.org/htmldoc-development/fmt_unicsv.html
Open Hardware, 100% hackable GPS tracker
You'll need to simultaneously press reset and hit upload in the PlatformIO IDE. The DFU device is available via usb only for a very short while.
See https://www.gpsbabel.org/htmldoc-development/fmt_unicsv.html
Open Hardware, 100% hackable GPS tracker