Is there any TTN Mapper software for ESP32 and LMIC ?
About a week ago I was looking for an answer on the same question…
I have not found anything directly applicable.
There is a design published there, but the author did not give any comments on how to build it.
Finally, I’ve written my own code. It was easier than I expected.
I took reference ttn-abp and ttn-otaa LMIC examples first, then altered payload to match values I need to send to comply with TTN Mapper input data.
Then I’ve integrated the ttn-abp example and now it is a part of my project: