How to read sensor data from uart and send with mavlink to MP

[paul_arthur]

any reason for not using Lua ? assuming he CUA5+ runs Lua…
There are a bunch of posts in this forum which im guessing you found. This one covers a lot.

MAVLink and Arduino: step by step

MAVLink and Arduino by Juan Pedro López This is not a post on the details of MAVLink serial protocol. If you are interested on the protocol itself, you can read the fantastic post by Pedro Alburquerque: This post will be focused on my experience and practical use of MAVLink protocol on an on-board Arduino (Nano with ATmega328) that communicates with a Pixhawk flight controller (a clone one, v2.4.8). I am using the Arduino to control the lights of my drone (WS2812B leds) and the code you will…