VTT TECHNICAL RESEARCH CENTRE OF FINLAND LTD
VTT Technical Research Centre of Finland Ltd
Enabling technologies forWireless Sensor Networks
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VTT Tiny Node V3.0
Application domainsBuilding AutomationWellness and HealthcareIndustrial Automation SystemsSmart Lighting
Miniature euro coin sizeOn-board antennaBluetooth Smart 4.0 radio (short range)Integrated sensors including
Accelerometer, 3DPressure sensorTemperature sensorHumidity sensor
Data-flash memory 64MBitCoin cell battery operatedWaterproof enclosure
302/06/2017 3
TinyNode V4.0 board
Miniature euro coin size (charger cut-off part)On-board antennaBluetooth Smart 4.0 radio (short range)Integrated sensors including
Accelerometer, 3DMagnetometer, 3DInclinometer, 3DAir pressure sensorTemperature sensorHumidity sensor
Data-flash memory 64MBitCoin cell or rechargeable battery operatedNFC wakeup for communication and recharge
402/06/2017 4
FlexNode V1.0
Wireless charging (NFC)On-board antennaBluetooth Smart 4.0 radioIntegrated sensors including
Accelerometer, 3DTemperature sensorHumidity sensor
Perforation for breathabilityData-flash memoryLi-Po battery operatedSize: 90 x 20mm25um flex PCB available
502/06/2017 5
LoRa-Node
Miniature sizeOn-board chip antenna or external antennaLong range, low bandwidth, LoRa 868 / 915 MHz radioIntegrated sensors including
Temperature sensorHumidity sensorAir pressure sensor
Data-flash memory 64MBit (add-on options)Bluetooth Smart 4.0 radio (add-on options)
Hybrid radio systems feasible2.4GHz local sub-network and 868MHz gatewayconnectivity
LoRa
BLE
4G
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Embedded BLE Gateway
BeagleboneCommercially available1GHz ARM Cortex A84GB on-board flashEthernet and WiFi (optional)USB, HDMI,2x46 headers (4xUART)Several add-on boards available
CAN,IO,DisplayBLE 4.0 connectivity with USBLinux Debian
802/06/2017 8
VTT Little Node + Board Extensions
2.4 GHz transceiverGFSK modulation250 kbps, 1 Mbps, 2 Mbps dataratesTX output Power +4dBmBluetooth Smart 4.0 compatibleARM M0 32 bit processor256 kB flash program memory
AD-Board specifications4.8 kHz, Ultra low noise, 24-Bit Sigma-Delta ADC with PGAProgrammable gain 1 to 128Two digital filter options. The choice offilter affects the r.m.s noise/noise-freeresolution at the programmed outputdata rate 4.7 Hz to 4.8 kHz.
Power Board SpecificationsContinuous Energy HarvestingFrom Low voltage Input Sources:VIN 80 mVIntegrated Dynamic MaximumPower Point Tracking for OptimalEnergy Extraction From a Variety ofEnergy Generation sourcesIntegrated Battery manager forstorage elements between 2.2-5.25VSecondary Buck-Boost converter toregulate battery voltage with inputrange:1.8-5.5V and output 2V to 5V.Holder for backup coin-battery incase of harvested power shortage
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Sensor integration optionsIntegration of commercial available separate digitallyI2C,SPI or UART and analogue interfaced devicesPCB tailoring with add-on sensors feasible
AD-board4.8 kHz, 24-Bit Sigma-Delta ADC with PGAProgrammable gain 1 to 128, Digital filtersIntegration of strain gauge transducers
CO2-sensorDigitally interfaced commercial carbon dioxide-sensor0-2000 ppmLow-noise and low-power
Pressure difference sensorDigital I2C-interfacedHigh accuracyRange +/- 500 Pa
24-bit AD-board for strain gauges
TinyNode + CO2- sensor
TinyNode + Pressure difference + AA enclosureTinyNode + AAA enclosure
1002/06/2017 10
VTT IoT application for gateway based solutions
LoraNode(s) andTinyNode(s)
Gateway for dataRetrieval and sending
Data CloudBackend
Wireless sensor nodes
Pressure, Temperature,Humidity, CO2 (add-on)
Pressure difference (add-on)
Gateway app fordata collection from
sensor nodes
Real-time dataaggregation
Cloud backend fordata storage, computing andvisualization
Data-file download foradvanced analysis
1102/06/2017 11
Intelligent indoor conditions monitoring HW
Temperature (wireless, battery powered)Relative humidity (wireless, battery powered)Air pressure (wireless, battery powered)CO2 (wireless, separate sensor)Pressure difference (wireless, separate sensor)
The sensors can be assembled into a building with agateway unit. The unit will collect and send all data to acloud server which can be proprietary for the clientSensor units uses BLE or LoRa for communication,Gateway is using WLAN or operator based network(LTE) for communication to the cloud servers
1202/06/2017 12
VTT IoT application for mobile based solutions
TinyNode(s) Mobile dataCollection app
Data CloudBackend
Android App fordata collection from
TinyNode(s)
Real-time orlogging data
collection
Cloud backend fordata storage and basicvisualization
Data-file download foradvanced analysis
Wireless sensor nodes
Temperature, PressureHumidity, CO2 (add-on)
Pressure difference (add-on)
Bluetooth LE 4.0
1302/06/2017 13
Additional information
VTT Technical Research Centre of Finland Ltd
Kalle MäättäSenior ScientistIndustrial [email protected]+358 40 515 9704
Jari RehuSenior Research EngineerIndustrial [email protected]+358 40 553 4159
Esa ViljamaaIndustrial IoTTeam [email protected]+358 400 911 201