• Microcontroller: MicroChip ATSAMD21G18 ARM Cortex M0+ @ 48MHz with 3.3V logic/power
• LoRa Radio: HopeRF RFM95 (compatible with SX1276 LoRa Transceiver), 900 MHz (868 MHz), runs with IBM LMiC LoRaWAN library

• https://learn.adafruit.com/adafruit-feather-m0-radio-with-lora-radio-module/overview

• https://learn.adafruit.com/the-things-network-for-feather?view=all

• https://github.com/adafruit/Adafruit_Sensor
• https://github.com/adafruit/DHT-sensor-library
• https://github.com/mcci-catena/arduino-lmic

You could use Cayenne or your own decoder such as
https://github.com/adafruit/Adafruit_Learning_System_Guides/blob/master/TheThingsNetwork_Feather/ttn_lmic_dht22_decoder.js