NeoPixel WS2812 LED Setup Instruction

PX4 NeoPixel Setup Guide

Note: This is experimental at the moment. Fly carefully!

There is no instruction on setting this up in PX4 at the moment. However, you could flash the below binary (based on v1.15beta1) and load the param file to have the LEDs working on Pixhawk 6x. COM_RC_IN_MODE needs to be changed according to your need after uploading the params.

2MB

px4_fmu-v6x_x650-rev2.px4

34KB

x650.params

Ardupilot NeoPixel Setup Guide

Follow the instruction below to set this up.

• Set NTF_LED_TYPES to include NeoPixel

• Setup LED Parameter：

  • NTF_LED_BRIGHT: 3

  • NTF_LED_LEN : 0

  • NTF_LED_OVERRIDE: 0

  
• In this example, we connected the wiring as follow:

  • Motor 1 LED -> AUX (FMU) PWM 1

  • Motor 2 LED -> AUX (FMU) PWM 2

  • Motor 3 LED -> AUX (FMU) PWM 3

  • Motor 4 LED -> AUX (FMU) PWM 4

  

  Ardupilot Default Motor# & Direction (Quad X)
• In the Servo Output Page, set:

  • #9 function -> NeoPixel1

  • #10 function -> NeoPixel2

  • #11 function -> NeoPixel3

  • #12 function -> NeoPixel4