This is the source code for the USB Tester OLED Backpack
Which can be found at: https://www.tindie.com/shops/FriedCircuits/
Download ZIP in each version folder for a working set with libraries and configuration of hardware SPI and display size
Use the new firmware version with the new Java app
https://github.com/FriedCircuits/FC-USB-Tester-Data-Logger-App
There may be a bug that shifts the display. We are working on a solution - Testing a new library for the display.
How to update firmware:
http://friedcircuits.us/docs/oled-backpack-how-to-update-firmware/
License: All source code and designs are released under
Creative Commons NonCommercial-ShareAlike
CC BY-NC-SA
Please contact me for commercial opportunities.