Colloque Enseignants IUT GEII (Génie Electronique et Informatique Industrielle) Premiers pas sur le réseau Sigfox * Utilisation d'une carte Arduino MKRFOX 1200 pour envoyer de premiers messages sur le réseau * Utilisation d'une plateforme IoT pour recevoir et visualiser les données

1. Sigfox workshop
Colloque Pédagogique GEII - Commission IoT
Longwy, June 23, 2019

2. About me
Nicolas Lesconnec
Head of Technology Adoption @Sigfox
Email : nicolas.lesconnec@sigfox.com

3. What is Sigfox ?

4. CONFIDENTIAL
The first and global 0G Network
4
IoT
Bringing the 4th
industrial revolution to all sectors
BACK-UP BROADBAND
Secondary connectivity & additional services for systems using
broadband networks
0G
Cost
efficient
Low
Power
Global
Network

5. Sigfox architecture
x

6. They turn into actions
and insights
through the customer IT
They can be analyzed on
Big Data
analytics platforms
Devices integrate a
connectivity module
Partners with specific
applications for your
business
Interoperability with
top-tier Big Data
platforms
Ecosystem of
certified vendors
Royalty free
Standard and easy
access
Global network with
high capacity
Small messages
optimized for
sensor data
Devices send data Messages are
transmitted through the
sigfox network
They are stored in the
sigfox cloud
Sigfox architecture
6

7. High capacity

8. Small messages
1 % duty cycle for Objects
Up to 6 messages/hour
UPLINK
12-Byte payload
- Sensor data
- Event status
- GPS fix
- Application data
DOWNLINK
8-Byte payload
- Action / actuator trigger
- Device management
- Application parameter setting
10 % duty cycle for Base Stations
4 guaranteed downlink msg/day
SIGFOX
CLOUD

9. High Energy Efficiency
Designed to maximize
energy efficiency
No Pairing
10 to 50mA during a few
seconds (25mW; 14dB)
depending on the chip and
the size of the payload
Idle consumption: negligible
Idle state
Communication state
6 nA
30 mA
Current
Time
~6 sec
99.x% of the time
✓
✓
✓
✓

10. Security

11. Let’s play !

12. Platforms we will use
• Sigfox Cloud : https://backend.sigfox.com
• Online Arduino IDE : https://create.arduino.cc

13. Useful Resources
• Slack Community : https://sigfoxbuilders.herokuapp.com/
• Sigfox Build (documentation): http://build.sigfox.com
• Arduino MKRFOX: https://www.arduino.cc/en/Main.ArduinoBoardMKRFox1200

14. Getting started with
the Arduino MKRFOX

15. Using the Arduino Online IDE
Create an account on
https://create.arduino.cc
Follow the instructions to install the
browser plugin

16. Board will show up in the menu

17. Retrieve your board information
Copy the code from
http://github.com/sigfox/mkrfox-init

18. Upload to your board & open the monitor

19. Online onboarding
https://buy.sigfox.com/activate
Country: France
Enter your device credentials
Enter your personal information

20. Find your way in the Sigfox Backend
The Sigfox Cloud is organized around 3 concepts :
• Group : Contract & User rights
• Device Type : Family of devices sharing the same
properties
• Device : A unique device

21. List of your device types

23. Devices associated to a device type

24. Device information

25. Hello World

26. Hello World
Copy/paste from Github :
• https://github.com/nicolsc/mkrfox-hello-world
Upload to your board using the Arduino Editor or IDE

27. Message received ?
http://backend.sigfox.com
Navigate to the devices menu in the top bar
Click on the ID of your device
Enter the messages menu from the left navigation
column

28. Check device messages

29. They turn into actions
and insights
through the customer IT
They can be analyzed on
Big Data
analytics platforms
Partners with specific
applications for your
business
Interoperability with
top-tier Big Data
platforms
Standard and easy
access
They are stored in the
sigfox cloud
Get the data (pull / push)
44

30. Callback setup
Device Type menu
Click on your device type name
Enter the Callbacks menu
Select new default callback

35. Callback status
In the Devices > Messages panel, you have a indicator of the
callback status (an arrow)
Black : in progress
Green : Callback OK
Red : Callback KO (at least one of the callbacks failed)
Click the arrow to display details.

37. Get real world data
https://github.com/nicolsc/mkrfox-send-
internal-temperature

38. Data visualisation

39. Demo platform
Register on : https://try.iotagency.sigfox.com
Create a new callback following the API documentation
Play around !

40. Geolocation

41. Geoloc callback
Simply create a SERVICE > GEOLOC
callback, and receive latitude + longitude +
accuracy

42. Geolocation Callback
Create a new
Service > Geoloc
callback
Use following URL
to center the map:
https://maps.googleapis.com/m
aps/api/staticmap?center={lat},{
lng}&zoom=13&scale=1&size=6
00x300&maptype=roadmap&for
mat=png&visual_refresh=true

43. Downlink Callback

44. Bi-directional communication
Requested by the device to the network
Static downlink message size of 8 bytes
Agreed frequency of downlink
✓
✓
✓

45. Downlink Callback setup
Automatic callback: Device Type >
Informations > Edit
Set Downlink mode to DIRECT
Enter an 8 bytes value

48. Sample code
Simple change
SigFox.endPacket(); to
SigFox.endPacket(true);
This will request a response from the
network

49. Handle the response
https://github.com/nicolsc/mkrfox-downlink
void loop(){
while (SigFox.available()) {
Serial.print("0x");
Serial.println(SigFox.read(), HEX);
}
}

50. Frame parsing

51. Sigfox payload display feature
Using a « simple » grammar, you can ask
Sigfox to parse your incoming data
This is done at the device type level

54. Parsing the Hello World sample
Modify the sketch to send 3 values in a same message
short valA = 7700;
short valB = 128;
float valC = 654.32;
SigFox.beginPacket();
SigFox.write(valA);
SigFox.write(valB);
SigFox.write(valC);
SigFox.endPacket();

55. Set a custom grammar
valA & valB are shorts : 16 bits
valC is a 32 bits float
valA::uint:16:little-endian valB::uint:16:little-endian valC::float:32:little-endian

56. Thank you !
nicolas.lesconnec@sigfox.com