Feather M0 with LMIC takes more than 2 minutes to transmit

[descartes (Nick McCloud)]

Many have tried this, for instance:

Adafruit Feather 32u4 LoRa - long transmission time after deep sleep

I’ve got some Adafruit 32u4 LoRa feathers up and running. The sketch is based on the ttn_otaa example (arduino-lmic/matthijskooijman): ... case EV_TXCOMPLETE: if (LMIC.txrxFlags & TXRX_ACK) ... if (LMIC.dataLen) { ... } sleep(); // Start job again do_send(&sendjob); ... In sleep() I’m using LowPower.h from rocketscream but also with nativesleep commands I got the same results. Everything…

and many others to find by various searches on the forum.