The TTN libraries are created for nodes using the Microchip RN modules which are not present on the TTGO nodes.
You need to use a different code base for this hardware. Take a look at the Big ESP32 + SX127x topic for options.
The TTN libraries are created for nodes using the Microchip RN modules which are not present on the TTGO nodes.
You need to use a different code base for this hardware. Take a look at the Big ESP32 + SX127x topic for options.