WIRELESS, SENSING & TIMING PRODUCTS
SX1276 Development Kit
USER GUIDE
Revision 1.1 – May 2014 Page 2 of 53 www.semtech.com
©2014 Semtech Corporation
Table of Contents
Table of Contents .......................................................................................................................................... 2
Index of Figures ............................................................................................................................................ 3
1 Preamble ................................................................................................................................................ 4
2 Introduction ............................................................................................................................................ 4
3 Getting Started ....................................................................................................................................... 5
3.1 Evaluation Kit Contents ................................................................................................................. 5
3.2 Ordering information ..................................................................................................................... 6
3.3 Updating the firmware ................................................................................................................... 6
4 Eiger Platform Presentation ................................................................................................................... 6
4.1 Platform Description .................................................................................................................... 10
4.2 SX1276 Module Hardware .......................................................................................................... 11
4.2.1 SX1276RF1IAS ....................................................................................................................... 11
4.2.2 SX1276RF1JAS ...................................................................................................................... 12
4.2.3 SX1276RF1KAS...................................................................................................................... 13
4.2.4 Module Antenna ...................................................................................................................... 14
5 Eiger platform for PER Testing ............................................................................................................ 15
5.1 Menu Description ........................................................................................................................ 15
5.2 Using the Eiger platform .............................................................................................................. 15
5.2.1 System Window....................................................................................................................... 16
5.2.2 PER Demo Window ................................................................................................................ 19
5.2.3 PER Rx Bar-graph .................................................................................................................. 28
6 SX1276SKA Software Description ....................................................................................................... 29
6.1 SX1276SKA Quick start Guide ................................................................................................... 29
6.2 LoRa Mode .................................................................................................................................. 32
6.2.1 LoRa Menu .............................................................................................................................. 32
6.2.2 LoRa Common Window .......................................................................................................... 33
6.2.3 LoRa Parameters Window ...................................................................................................... 34
6.3 FSK Mode ................................................................................................................................... 35
6.3.1 FSK Menu ............................................................................................................................... 35
6.3.2 Common window ..................................................................................................................... 36
6.3.3 Transmitter window ................................................................................................................. 37
6.3.4 Receiver window ..................................................................................................................... 38
6.3.5 IRQ and Map window .............................................................................................................. 39
6.3.6 Packet Handler window ........................................................................................................... 40
6.3.7 Sequencer window .................................................................................................................. 41
6.3.8 Temperature window ............................................................................................................... 42
7 How to... ............................................................................................................................................... 43
7.1 … perform a simple transmission / reception in LoRa ................................................................ 43
7.2 … perform a simple transmission / reception in FSK .................................................................. 45
7.3 … perform Continuous transmission and Reception in LoRa ..................................................... 49
7.4 … Log the Transmitted or Received packets .............................................................................. 50
7.5 … perform a CW or PN9 Tx test on the SX1276 ........................................................................ 51
7.6 … check the frequency accuracy of the SX1276 module ........................................................... 51
8 Troubleshooting ................................................................................................................................... 52
8.1 The Eiger platform indicates very high PER even in short range ............................................... 52
8.2 The communication range in Lora is very poor ........................................................................... 52
8.3 The SX1276SKA do not detect the device through the USB ...................................................... 52
8.4 The Eiger platform does not seem to work anymore .................................................................. 52
8.5 The Eiger platform touch screen is not accurate ........................................................................ 52
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