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Viewing articles tagged 'internetthings'

Actuators and Control Acting on the physical world.WHAT ACTUATORS DOConvert a signal into physical action: switching,... Applications and Industries: Everything That Matters, Briefly The summary.NEVER CONNECT TO SAFETY OR CONTROL SYSTEMS IN A WAY THAT CAN AFFECT THEMRead-only... Asset and Vehicle Tracking Knowing where things are.WHAT IS TRACKEDVehicles Containers and equipment High-value goods in... Building and Facility Monitoring Connected premises.WHAT IS MONITOREDTemperature and humidity Occupancy Door and window state... Building Applications for Connected Devices Phone and web interfaces.WHAT THE APPLICATION MUST DOShow device status Present data meaningfully... Building Gateway Software The bridge between devices and the network.WHAT A GATEWAY DOESConnects to local devices... Building IoT Backends Services behind the platform.WHAT THE BACKEND PROVIDESBusiness logic beyond device management... Building IoT Products: Everything That Matters, Briefly The summary.VALIDATE THAT THE DATA CHANGES A DECISION BEFORE OPTIMISING ANY DEVICEUse... Business Models for IoT How connected products earn.WHAT THE MODELS AREHardware sold, with no ongoing service Hardware... Cellular Connectivity for Devices Using mobile networks.WHAT IT PROVIDESCoverage wherever mobile service exists No dependence on... Certification and Compliance Meeting requirements.WHAT MAY BE REQUIREDRadio certification, for any transmitting device... Choosing a Connectivity Technology Matching network to need.WHAT TO ASSESSRange required Data volume and frequency Power available... Choosing an IoT Platform Where device data arrives.WHAT A PLATFORM PROVIDESDevice registry and identity Secure message... Choosing Between Building and Buying IoT Solutions Make or adopt.WHAT BUYING A COMPLETE SOLUTION PROVIDESSpeed Proven devices and platform Support... Connected Agriculture Devices on farms.WHAT IT MONITORSSoil moisture and temperature Weather at the field Water flow... Constraints That Shape IoT Design What limits the possible.WHAT POWER CONSTRAINSHow often a device can measure and transmit Which... Consumer Connected Devices Products for homes and individuals.WHAT THE CATEGORIES AREHome security and cameras Lighting and... Costing an IoT Deployment Understanding the economics.WHAT THE ONE-OFF COSTS AREDevelopment Certification Tooling Initial... Deciding Whether IoT Is the Right Answer Assessing a proposed system.WHAT TO ASKWhat is being measured, and why What decision changes How... Delivering Commands to Devices Sending instructions.WHAT MAKES IT HARDER THAN SENDING DATAThe device may be asleep,... Designing for Limited Bandwidth Sending less.WHAT TO TRANSMITChanges, not states Exceptions, not routine values Summaries, not... Designing Message Payloads What devices send.WHAT EVERY MESSAGE NEEDSA device identifier A timestamp The measurement and its... Designing Setup and Pairing Flows The first five minutes.WHY IT MATTERS DISPROPORTIONATELYA device that will not set up is... Detecting Problems in Device Data Finding what matters.WHAT TO DETECTValues outside safe ranges Rates of change that are... Developing an IoT Product The full undertaking.WHAT IT INVOLVESHardware design or selection Firmware Connectivity... Device Identity and Provisioning Getting devices into service.WHAT IDENTITY REQUIRESA unique identifier per device Credentials... Device Lifecycle Management From deployment to retirement.WHAT THE STAGES AREManufacture and provisioning Deployment and... Device Shadows and State Representing devices remotely.WHAT A SHADOW ISA stored representation of a device's state,... Diagnosing Device Problems Remotely Fixing what you cannot touch.WHAT MAKES IT DIFFICULTNo physical access Limited visibility... Enclosures and Environmental Protection Surviving where deployed.WHAT THE ENVIRONMENT PRESENTSTemperature extremes Humidity and... Energy and Power Monitoring Measuring electricity.WHAT IT MEASURESConsumption, by circuit or device Voltage and quality... Estimating IoT Projects Planning realistically.WHY ESTIMATES ARE FREQUENTLY WRONGHardware iterations take weeks each... Firmware Architecture for Connected Devices Structuring device software.WHAT THE LAYERS TYPICALLY AREHardware abstraction, wrapping... Handling Disconnection Operating without a network.WHAT TO ASSUMEConnectivity is intermittent.WHAT THE DEVICE MUST... Handling Errors on Unattended Devices Recovering without help.WHAT ERRORS OCCURSensor read failures Communication failures Storage... Healthcare and Wearable Devices Devices measuring people.WHAT IS MEASUREDActivity and movement Heart rate Sleep Location, for... Industrial IoT Connected manufacturing and process industries.WHAT IT MONITORSMachine condition: vibration,... Ingesting Device Data Receiving at volume.WHAT THE INGESTION PATH MUST DOAuthenticate the device Accept the message... Installation and Field Deployment Getting devices into place.WHAT DETERMINES SUCCESSPlacement Correct configuration Verified... Integrating IoT Data With Business Systems Making data useful elsewhere.WHY IT MATTERSDevice data in isolation supports little; combined... Internet of Things: Everything That Matters, Briefly The whole category in one page.DATA NOBODY ACTS ON PRODUCES NOTHINGEstablish what decision... IoT Connectivity: Everything That Matters, Briefly The summary.ESTABLISH THE DATA REQUIREMENT BEFORE CHOOSING A TECHNOLOGYHow many bytes, how often.... IoT Device Management: Everything That Matters, Briefly The summary.UNIQUE CREDENTIALS PER DEVICE, ALWAYSA shared credential means compromising one... IoT Foundations: Everything That Matters, Briefly The summary.ESTABLISH WHAT DECISION THE DATA CHANGES BEFORE DEPLOYING ANYTHINGData nobody acts on... IoT Opportunities in the Nigerian Context Local applications and constraints.WHAT PROBLEMS ARE REAL AND MEASURABLEPower cost and generator... IoT Security: Everything That Matters, Briefly The summary.A COMPROMISED SENSOR LEAKS INFORMATION; A COMPROMISED ACTUATOR CAUSES EVENTSWhich is... IoT Software: Everything That Matters, Briefly The summary.ABSTRACT HARDWARE SO LOGIC CAN BE TESTED WITHOUT ITHardware changes during a... Learning IoT Development Building capability.WHAT TO START WITHA development board and a sensor.WHAT TO BUILD FIRSTA... Logging and Telemetry From Devices Knowing what happened.WHAT TO DISTINGUISHTelemetry: the measurements the system exists to... Low-Power Wide-Area Networks Long range on little power.WHAT THEY PROVIDEKilometres of range Battery life measured in years... Managing Configuration Across a Fleet Changing settings at scale.WHAT IS TYPICALLY CONFIGUREDReporting intervals Thresholds Server... Managing Device Memory and Resources Working within tight limits.WHAT MEMORY EXISTSProgram storage, holding firmware Volatile working... Manufacturing Considerations Making devices at volume.WHAT CHANGES AT VOLUMEAssembly cost matters Testing must be fast... Monitoring Device Fleets Knowing what is happening.WHAT TO MONITOR PER DEVICELast contact time Battery or power status... MQTT in Practice Practical use.WHAT A LAST WILL MESSAGE ISA message the broker publishes if a device disconnects... Operating an IoT Service Running it over years.WHAT ONGOING OPERATION INVOLVESMonitoring the fleet Supporting customers... Other IoT Protocols Alternatives and their uses.WHAT CONSTRAINED APPLICATION PROTOCOLS PROVIDEA request-and-response... Planning Device Maintenance Keeping a fleet working.WHAT REQUIRES INTERVENTIONBattery replacement Sensor calibration or... Platforms and Data: Everything That Matters, Briefly The summary.CALCULATE COST PER DEVICE PER YEAR AT PROJECTED SCALEPer-message charges accumulate... Power and Deployment: Everything That Matters, Briefly The summary.RADIO TRANSMISSION DOMINATES POWER CONSUMPTIONReducing transmissions extends life... Power Budgeting for Devices Making batteries last.WHAT CONSUMES POWERRadio transmission, overwhelmingly Processing Sensors... Power Sources and Energy Harvesting Where devices get energy.WHAT OPTIONS EXISTPrimary batteries, not rechargeable Rechargeable... Presenting Device Data Interfaces for operators.WHAT USERS NEED TO SEECurrent status, immediately What requires... Privacy in Connected Devices Data about people.WHAT DEVICES MAY REVEALPresence and occupancy Routines and habits Location and... Processing Device Data Turning readings into information.WHAT PROCESSING TYPICALLY DOESConverts raw values to meaningful... Protocols and Messaging: Everything That Matters, Briefly The summary.DESIGN THE TOPIC HIERARCHY CONSISTENTLY AND NEVER PUT VALUES IN ITSubscribers rely on... Responding to IoT Security Incidents When devices are compromised.WHAT TO ESTABLISH FIRSTScope: which devices, and what they can... Retail and Logistics Applications Connected commerce.WHAT IS MONITOREDStock levels Cold storage temperature Shipment location and... Running an IoT Pilot Proving before scaling.WHAT A PILOT SHOULD ESTABLISHThat the data is accurate That devices... Scaling an IoT Backend Growing with the fleet.WHAT GROWSMessage volume, linearly with devices Storage, continuously... Securing Device Communications Protecting data in transit.WHAT TO USEEncrypted transport, always.WHAT CONSTRAINED DEVICES MAY... Securing Device Identity Proving which device is which.WHAT IS REQUIREDA unique identity per device Credentials that... Securing IoT Networks Protecting the surrounding environment.WHAT TO SEPARATEDevice networks from other... Securing the Device Itself Physical and local protection.WHAT TO DISABLE BEFORE SHIPPINGDebug and programming interfaces... Selecting Hardware Choosing components.WHAT TO ESTABLISHProcessing required Memory required Connectivity needed... Selling IoT to Businesses Commercial conversations.WHAT BUYERS ACTUALLY WANTA problem solved, not devices.WHAT TO LEAD... Sensors and What They Measure Reading the physical world.WHAT COMMON SENSORS MEASURETemperature and humidity Light Motion and... Simulating Devices for Development Building without hardware.WHY IT MATTERSHardware is limited, slow to flash, and unavailable... Skills for IoT Work What the field requires.WHAT IS TECHNICALLY REQUIREDEmbedded programming, usually in C... Smart Metering and Utility Applications Measuring supply to customers.WHAT SMART METERS DORecord consumption at intervals Report... Standards and Interoperability Devices working together.WHY IT MATTERSCustomers resist devices that work only with one vendor's... Storing Time-Series Data Where readings live.WHAT MAKES THIS DATA DISTINCTIVEIt is append-only It is queried by time range... Supporting IoT Customers After deployment.WHAT CUSTOMERS CONTACT ABOUTDevices showing offline Readings they believe are... Sustainability and Electronic Waste The environmental dimension.WHAT THE PROBLEM ISDevices deployed in large numbers, with limited... Testing Firmware Automatically Verification without hands.WHAT TO TEST ON A DEVELOPMENT MACHINELogic, with hardware abstracted... Testing IoT Systems Verifying before and after deployment.WHAT TO TEST ON THE BENCHFunction Power consumption,... The Shape of an IoT System How the parts fit together.WHAT THE LAYERS AREPerception: sensors and actuatorsDevice: processing... Time and Synchronisation Knowing when things happened.WHY IT MATTERSReadings without reliable time cannot be ordered,... Understanding MQTT The dominant IoT messaging protocol.WHAT IT ISA lightweight publish-and-subscribe protocol... Updating Devices Remotely Changing software in the field.WHY IT IS ESSENTIALVulnerabilities are found, and unpatchable... Versioning Firmware and Protocols Managing change across a fleet.WHAT WILL ALWAYS BE TRUESeveral firmware versions in the field... Water and Environmental Monitoring Measuring resources and conditions.WHAT IS MONITOREDTank and reservoir levels Flow through pipes... What the Internet of Things Is Physical things reporting and acting.WHAT IT MEANSPhysical objects with sensors, processing and... Why IoT Security Is Different The distinctive risks.WHAT MAKES IT HARDERDevices are physically accessible They are numerous and... Wireless Local Connectivity Short-range options.WHAT WIRELESS NETWORKING PROVIDESHigh data rates Existing infrastructure in... Working Across Hardware and Software Teams Collaboration in IoT.WHAT CAUSES FRICTIONDifferent timescales: hardware changes take weeks,... Working in IoT: Everything That Matters, Briefly The summary.BREADTH MATTERS MORE HERE THAN IN MOST FIELDSProblems cross the hardware and software... Working With Hardware Suppliers Sourcing and partnership.WHAT SUPPLIERS PROVIDEComponents Modules Contract manufacturing Complete... Writing an IoT Proposal Documenting what you will deliver.WHAT TO STATE CLEARLYThe problem, as the client described it... Writing Reliable Device Code Code that runs for years unattended.WHAT RELIABILITY REQUIRESNo path that halts No memory growth...
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