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Lora Tools For Arduino SAMD M0

David Clifton

How to build LoRa radios with inexpensive components from Adafruit, and program them with Lora ping, repeat, modem, and Bluetooth bridge programs..

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About

About

About the Book

Use Adafruit's Atmel SAMD M0 processor and Lora radio board to host Arduino applications, including including Lora Ping, Repeat, and Modeml, as well as a Bluetooth-Lora Bridge. Includes instructions and links for making the radios, writing, debugging and testing the applications in the Arduino environment. Contains general information on application design, Lora Radio parameters, and uses for the applications and radios.

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Embedded SystemsArduinoDistributed Systems

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Author

About the Author

David Clifton

I have been an active embedded software developer for the past 35 years. Systems developed in whole or part include: Multi-parameter biofeedback system for Apple II, C and Dsp code for a television watching robot, firmware for a laser power meter, hypertext editor and math assistant for a pocket PC, autosampler firmware for a hematology instrument, robotic control and sequencer for a genetic blood assay machine, bootloader and kernel for an oximeter, portable flight planning computer, firmware for a wireless data acquisition system for bridge diagnostics, base station firmware for corrections telemetry and alcohol monitoring, communications protocol for an implantable hearing aid, usb mass storage driver, and sensor drivers for an oilfield seismic data logger, firmware for a digital theremin, a gps locator-tracker, and lora remote sensing system.

For more detailed information, see www.canyoncode.com.

Contents

Table of Contents

Introduction

  1. Hardware Summary
  2. Development Tool Summary

LoRa Radio Information

  1. Basic Information
  2. Lora Signal Parameters
  3. Signal Parameter Relationships
  4. Example Use of Formulas
  5. Radio range test

Building The Hardware

  1. Adafruit Atmel SAMD M0 Lora Radio Board
  2. LoraBridge Breadboard
  3. LoraBridge Portable

Software Modules

  1. LoRaPing Application
  2. Repeat Application
  3. Lora Modem Application
  4. Lora Bridge Application
  5. RadioHead Changes

Building the Software

  1. Obtaining the Source Code
  2. Preparing the build environment
  3. Building the applications with Arduino
  4. Building and Loading an Application
  5. Debugging the Arduino Applications

Testing the applications

  1. Testing the ping application
  2. Testing the Lora Modem application
  3. Testing the LoraRepeat application
  4. Testing the LoraBridge application
  5. Range Measurement

Using the Applications

  1. Device networks
  2. Tools for debugging LoRa networks
  3. Compartmentalized asset or personnel tracking.
  4. Secure local texting.
  5. Finding your pet
  6. Rocket science
  7. Neighborhood communication

Appendix

  1. Application Source Code

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