@Davet998

Dave Thornton

Arduino IOT and

The Things Network

@Davet998

@Davet998

Why Arduino

Communications

Arduino Devices

Sensors

Shields

Development tools

Example Project

The Things Network LoRaWAN

Agenda

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Open Source

Plenty of choice Processor

Memory

Input / Output

Popular Example Source Code

Good Community Support

Cheap

Easy to obtain

Alternatives

Why Arduino / Genuino

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Communications

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Wireless Technology

LoRa

Cellular 2G, 3G, 4G, LTE, 5G, NB-IoT, LTE-V2X

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Communications

1. Ethernet 2. WiFi 3. GSM 4. Bluetooth 5. 433 MHz Transmitter

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Arduino Devices

1. Digispark Micro 2. ESP8266 3. Pro Mini 4. Nano 5. Uno

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Sensors

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Sensors

1. Air Pressure 2. Real Time Clock 3. Temperature 4. Compass 5. Gasses

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Sensors

1. Ultrasonic 2. Dust 3. Vibration 4. Accelerometer 5. Rotary Encoder

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Rectifier AC – DC

Arduino Nano compatible

Breadboard

Humidity

Pressure

Temperature

433 MHz transmitter

LED

Example Project

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Example Project

Raspberry Pi 2 Model B E-paper display HAT WiFi USB Dongle

• 1-Wire Temperature Sensors (5)

• Relays (2) • Prototype Shield • Ethernet Shield • Arduino Uno

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Development Tools

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Fritzing

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Raw Data

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The Things Network

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Moteino / Anarduino / The Things Uno

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Dragino Lora Shield v1.3

RFM95_98W

http://wiki.dragino.com/index.php?title=Lora_Shield

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V1.3 Board Digital Pins 3, 4, & 5 free Analog Pins 0,1,2,3,4 & 5 free

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RFM95/96/97/98(W)

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168 dB maximum link budget.

+20 dBm - 100 mW constant RF output vs.

+14 dBm high efficiency PA.

Programmable bit rate up to 300 kbps.

High sensitivity: down to -148 dBm.

Bullet-proof front end: IIP3 = -12.5 dBm.

Excellent blocking immunity.

Low RX current of 10.3 mA, 200 nA register retention.

Fully integrated synthesizer with a resolution of 61 Hz.

FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.

Built-in bit synchronizer for clock recovery.

Preamble detection.

127 dB Dynamic Range RSSI.

Automatic RF Sense and CAD with ultra-fast AFC.

Packet engine up to 256 bytes with CRC.

Built-in temperature sensor and low battery indicator.

Wireless Specifications of RFM95W

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Power Consumption

Caution: Power supply requirements of the RFM module may be relevant in some circumstances: RFM95/96/97/98 modules are capable of pulling 120mA+ at full power, where Arduino's 3.3V line can give 50mA.

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RH_RF95 Works with :- Semtech SX1276/77/78/79

Modtronix inAir4 and inAir9

HopeRF RFM95/96/97/98

and other similar LoRa capable radios.

RadioHead Libraries http://www.airspayce.com/mikem/arduino/RadioHead/index.html

Client Server

‘Hello World’

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iC880a Raspberry Pi Gateway

Raspberry Pi 3 £32.80

16Gb Micro SD card £4.65

BackPlane £11.22

IMST iC880a £239.69

pigtail

antenna

2A PSU £6.00

Total £294.36

Bill of Materials

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Assemble the backplane

Plug in the Pi, iC880a and antenna

Download the raspbian-jessie-lite image

Configure the Pi

Follow the excellent instructions here to install Gateway https://github.com/ttn-zh/ic880a-gateway/wiki

Remember to note down the mac address!

3D Print a mount for the antenna

Build

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Register a Gateway

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Create an Application

Register a Device

‘Hello World’ https://github.com/matthijskooijman/arduino-lmic

Create a Application

“Don’t use Strings, encode your data into pure bytes They take up less space”

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The Things Network

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Node.js

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One Small Step

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The Things Network Backend

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Tools… Let’s not create the Intranet of Things

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Node-Red

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Future LoRa Projects

1. Pycom… Aaaagh!!! 2. ESP8266 3. RFM/Pro Mini 4. LoRaWAN Monitor

• Micro SD Card Reader • I2C LCD • Neopixel • GPS • Dragino Lora Shield • Arduino Mega

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If you want to build a commercial product you have to use a chip with On-board LoRaWAN™ protocol stack or get the finished product certified.

Example:

LoRaWAN Certification

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Challenge to meet 5 criteria

Become officially part of The Things Network

The 5 criteria are:

Gather 8 members

Connect 2 gateways

Publish 2 blogposts / forum discussions

Create an internal communication channel

Organize a public kick-off event

Unleash Your City

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