The document discusses using beacons and Bluetooth Low Energy (BLE) devices with a Raspberry Pi to collect nearby device data and send notifications. Specifically, it describes setting up a Raspberry Pi with BLE to detect beacons and other devices within range, sending notifications when a beacon is detected, using the Raspberry Pi as a beacon itself, and allowing beacons to roam between two gateways while still being detected.

1. Beacons and Presence use cases and examples (part 1)
Markus van Kempen – mvk@ca.ibm.com
@markusvankempen
The Internet of Things
12/23/2015
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2. IBM Internet of Things
Scenario’s
 Collect data form all Bluetooth Devices and beacons around via node.js
using a Raspberry Pi or a notebook with Bluetooth Low Energy (BLE)
 Send notification when Beacon is within a Range of the Raspberry Pi
(E.g. send sms when one is back from a run using fitbit for example)
 Use Raspberry Pi by as a Beacon
 Beacon Roaming between 2 gateways
12/23/2015
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3. IBM Internet of Things
(i)Beacon broadcast information
https://en.wikipedia.org/wiki/IBeacon
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"minor": 10159,
"rssi": -73,
"major": 8221,
"proximity": "ProximityNear",
"accuracy": 0.73,
"uuid": "B9407F30-F5F8-466E-AFF9-25556B57FE6D"
uuid
advertised uuid
major
advertised major
minor
advertised minor
measuredPower
advertised measured RSSI at 1 meter away
rssi
current RSSI
accuracy
+/- meters, based on measuredPower and RSSI
proximity
current proximity ('unknown', 'immediate', 'near', or 'far')
Distance Info's
http://blog.sensoro.com/beacon-signal-performance-configuration-and-measure/
https://altbeacon.github.io/android-beacon-library/distance-calculations.html
http://blog.shinetech.com/2014/02/17/the-beacon-experiments-low-energy-bluetooth-devices-in-action/

4. IBM Internet of Things
iBeacon / BLE device broadcast information
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5. IBM Internet of Things
Presence and Beacons
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App
App Server
x
Type
WIFI Grid Locationing
 Will provide actual (x,y) coordinate of phone
 Margin of error: 5-10 Meters + variables
WIFI Proximity
 Provides (x,y) coordinate of the SENSOR that detects you.
 Margin of error: 2-5 Meters + variables: Dependent on
proximity setting
Beacon/BLE
 Only provides beacon ID. Server maps that to beacon
location.
 Margin of error: 1-2 Meters depending on beacon used
and configuration
Small Cell
 Will provide actual (x,y) coordinate of phone
 Margin of error: 5-10 Meters + variables
Magnetic Resonance
 Require no specialized hardware & quite accurate
 Dependent on establishing a hard location & fingerprinting
of site
SLAM (simultaneous localization and mapping)
 No hardware required
 Leverages sensors on the device
 Used in conjunction w/other sensors

6. IBM Internet of Things
Beacon Gateway
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"minor": 10159,
"rssi": -73,
"major": 8221,
"proximity": "ProximityNear",
"accuracy": 0.73,
"uuid": "B9407F30-F5F8-466E-AFF9-25556B57FE6D"
“DeviceIP”
“Picture”….

7. IBM Internet of Things
Collect BLE device Data around you
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Ble Devices
& Beacon
Node-RED
DashboardBluemix & IoTF
MQTT
Node.js

8. IBM Internet of Things
Setup: Node.js -> IOTF -> NodeRED -> Dashboard
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9. IBM Internet of Things
Scenario’s
 Collect data form all Bluetooth Devices and beacons around via node.js using a
Raspberry Pi or a notebook with Bluetooth Low Energy (BLE)
 Send notification when Beacon is within a Range of the Raspberry Pi
(E.g. send sms when one is back from a run using fitbit for example)
 Use Raspberry Pi by as a Beacon
 Beacon Roaming between 2 gateways
12/23/2015
9

10. IBM Internet of Things
Use cases …
Leaving my Keys or Coming back from a run
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Publish Data via MQTT to IoTF
Display Data
NR Sends
Notification

11. IBM Internet of Things
Rssi > -60
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12. IBM Internet of Things
Scenario’s
 Collect data form all Bluetooth Devices and beacons around you via node.js using
raspberry pi or a notebook with Bluetooth Low Energy (BLE)
 Send notification when Beacon is within a Range of the Raspberry Pi
(E.g. send sms when one is back from a run using fitbit for example)
 Use Raspberry Pi by as a Beacon
 Roam between 2 gateways
12/23/2015
12

13. IBM Internet of Things
Use cases …
You can use PI or your notebook / phone as a Beacon
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Publish Data via MQTT to IoTF
Display Data
NR Sends
Notification

14. IBM Internet of Things
Scenario’s
 Collect data form all Bluetooth Devices and beacons around via node.js using a
Raspberry Pi or a notebook with Bluetooth Low Energy (BLE)
 Send notification when Beacon is within a Range of the Raspberry Pi
(E.g. send sms when one is back from a run using fitbit for example)
 Use Raspberry Pi by as a Beacon
 Beacon Roaming between 2 gateways
12/23/2015
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15. IBM Internet of Things
Beacon Entering a new Zone
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Node-RED
MQTT
Node.js

16. IBM Internet of Things
Requirements
 Raspberry PI with Wifi USB (network) and Bluethooth (Ble) usb
 Install bluez Bluetooth for RasPi .. node.js ( bleno, noble, blecon ,phao )
 Beacons or discoverable Bluetooth ble device like a fitbit or phone
 Bluemix account and IoTF Setup with Device type and id.
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17. IBM Internet of Things
Markus van Kempen
Executive Architect & Venture Capitalist
IBM Corporate Technical Strategy
Innovating with People and Technology
email: mvk@ ca.ibm.com
Twitter: @markusvankempen
Hashtag: #MVK

18. IBM Internet of Things
References
 IBM IoTF
https://internetofthings.ibmcloud.com/#/
 Node.js Code
https://github.com/sandeepmistry/noble
https://github.com/sandeepmistry/bleno
 RPi Bluetooth LE
http://www.elinux.org/RPi_Bluetooth_LE
 Code-Mashup
https://github.com/markusvankempen/
 Slides
http://www.slideshare.net/MarkusVanKempen
 More blogs
https://markusvankempen.wordpress.com/
Mobile app like “Locate” to pickup or simulate beacons
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19. IBM Internet of Things
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