PerpetualBeaconforSmartHomespoweredbyStereaxTMM250
IlikademonstratestheabilityofitsStereaxM250solidstatebatterytopowerarealdevicewithin
theInternetofThings.ThisdeviceisaPerpetualBeaconforSmartHomes,inotherwords,an
autonomoussensingdeviceofminimalsizewhich,fixedonawall,measurestemperaturedataat
regularintervalandtransmitthedatausingBluetoothLowEnergytoanapp.Theappdisplays
temperatureinformationaswellasthebattery’stateofchargeandindicatesifheatingneedstobe
startedorstopped.ThisdevicereplicatessensorsforSmartHomes,wherethedatacouldalsobe
senttoahubforautomatedcontrol,butissosmallasbeingeasilyforgotten.
Component
Model
Comment
Battery
StereaxM250
250µAhsolidstatebattery
PVpanel
IXYSSLMD600
35mmx22mm
BatteryManagement
TexasInstruments
BQ25504
BluetoothLE
RICADOBMD-300
NordicnRF52832SoCwithARMCortexM4FCPU
Transmissionregime:3peaksat5mAfor0.5mseverysecond
App Snapshot
The Perpetual Beacon can be placed and forgotten on the wall of a Smart Home
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