Decoding the Yabby 3 LoRaWAN® Uplink
You can find the full payload specification here and decoder below, and the uplink decoder below.
Yabby 3 LoRaWAN Uplink Decoder
This decoder is written in Java Script and may be freely used as example code. To inspect the code in a different tab, open this link and inspect the Java Script source. Usually this is done with F12 in your browser.