Pixhawk external I²C LED docs?

[StefanG]

Neopixel LEDs as status LEDs for Ardupilot

[image] Sometimes there's just no good place to mount the external LED to on a copter or one simply wants more light output... While developing my own little light controller, I wrote a decoder which decodes the I²C control signals for the external LED and controls arbitray amounts of Neopixels accordingly. NOTE: Never power any amount of extra LEDs from the flight controller or the flight controller's power supply! One Neopixel can pull up to 60mA. That accumulates pretty quickly into signif…