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zoutepopcorn edited this page Aug 24, 2015 · 11 revisions

Howto connect your arduino with a sx1272 / sx1276

This is howto connect your Arduino Uno with a Semtech sx1272 / sx1276 (compatable with hoperf rfm92 / rfm95).

Howto connect a it with a Arduino Uno?

Connect your Arduino Uno (3.3 Volt) to the pins:

dio0 > 4
dio1 > 5
dio2 > 7
(n)ss > 10
mosi > 11
miso > 12
clk > 13
gnd > gnd
3.3 volt > 3.3 volt Arduino, don't connect to 5 volt! i'm warning you...

Note for the rfm95 / sx1276: You need to change some settings in the library, see issues.

Setting your Arduino software

Please be sure to have the latest Arduino build (HOURLY BUILDS) https://www.arduino.cc/en/Main/Software (Arduino 1.6.5 will not be able to compile)

LoRaWAN

For now we were not able to connect it to a LoRaWAN device :(. If you will try to connect it, be sure to undo this commit: https://github.com/matthijskooijman/arduino-lmic/commit/7561aa74c6f3c54b05968df17ee5f3cd3dd71bad

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