G9X USBasp Compatible Programmer

gProg v1.1 Preview

gprog is a freely published part of our open hardware project. It is based on the popular USBasp open source project. This AVR programmer board is designed to be used with companion9x or any other AVRDUDE compatible system. With it, you can upload and download EEPROM stored model data as well as perform firmware upgrades. The device is designed for the G9X v4.1 custom controller board, but could also be used as a generic AVR flash programmer.

You can build your own gprog or buy one from our online gruvin9x online store.

The stand-off shown in the above image is 10.5mm in length -- PVC 2.5mm I.D. tubing, available from most model shops. The machine screw is a (USA standard?) 2-56 (2.2mm) x 3/4 inch. (A 2mm x 20mm self-tapping screw, similar to the ones used elsewhere in the radio -- but longer -- would be preferable. But as yet, a source for such has not been found.)

Wiring gProg to a stock standard '9X ...