https://github.com/airgradienthq/arduino/blob/master/examples/DIY_PRO_V4_2/DIY_PRO_V4_2.ino https://github.com/airgradienthq/arduino/blob/master/example... The

https://github.com/airgradienthq/arduino/blob/master/examples/DIY_PRO_V4_2/DIY_PRO_V4_2.ino https://github.com/airgradienthq/arduino/blob/master/example... The current version of the file mentioned in that thread says CC-BY-SA https://github.com/airgradienthq/arduino/blob/master/examples/DIY_PRO_V4_2/DIY_PRO_V4_2.ino https://github.com/airgradienthq/arduino/blob/master/example... (Though I don't understand why anybody would use CC-BY-SA for code, instead of a copyleft license designed for code)