I used a FrSKY D4R-II receiver and a DHT DIY Tx module with an Arduino Pro Mini for the purpose of this post. These FrSKY products use the older “D mode” telemetry and the DHT module is now discontinued, but I’ll be updating this post to deal with the newer S.Port Telemetry soon. There… Continue reading Decoding FrSKY telemetry data with an Arduino