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Sensors


Until recently we could perform Internet of Things computations in four general areas: We could compute in an external cloud, which means on one or more servers in a data center somewhere remote. We could compute “on prem”, which means on one ore more servers in the enterprises’ local network. We could compute in the fog, which means on a gateway in the OT (Operational Technology) network or on a router or switch or some other network node in the IT (Information Technology) network. Or we could compute within in the IoT device or product, which means on an on-board embedded device.
Watch this video (or read this transcript) to see Jurgo Preden discuss the state of the art in Mist computing ...


Creating the local intelligence for an Internet of Things product requires special programming skills and knowhow to work within constrained environments. Environments possibly constrained by computing, networking, memory, power or all of the above. The effort to reduce manufacturing costs produces these constraints but sometimes the biggest costs are the ones you didn’t plan for.
Watch this video (or read the transcript) to see Peter Hoddie share his deep experience in programming constrained devices and the (business) issues to consider when planning development ...


Timeslotted Channel Hopping (TSCH), via IEEE 802.15.4e, is an emerging standard in industrial automation and process control (via Wireless HART and ISA 100.11a) that defines a communication schedule between neighbor nodes in Low-power and Lossy Networks (LLNs). In an effort to bridge the worlds of operational technology (OT) with information technology (IT), the 6TSCH working group has been established to define how to use IPv6 over the 15.4e.
Watch this video (or read the transcript) to hear Xavi Villajosana explain how 15.4e operates and what’s still missing in the complete OT/IT stack ...


Janusz Bryzek is a man on a mission. A mission to cure world hunger and eliminate the lack of global medical care, clean air, clean water and clean energy within 20 years. That’s all. He’s doing his part with his Trillion Sensors Initiative to realize one of the eight technologies required to bring about “abundance” as defined by visionary Peter Diamantis.
Watch this video (or read the transcript)to understand what abundance is and the role the Internet of Things plays in it ...




Episode 8

OK, I admit it, this is going to be a bit of a geekfest but application protocols are an important topic to understand if you want to understand how IoT works. Protocols are the lifeblood of an IoT system and as we are about to find out, there are a few different types to choose from – each with their own characteristics and infrastructure requirements.
Listen to this podcast (or read the transcript) with our panelists Steve Jennis, Dev Bhattacharya, Carsten Bormann and Michael Richardson as we discuss CoAP, XMPP, RESTful HTTP, MQTT and DDS ...


There are three layers of standardization in IoT networking: First, to get the data off the devices, a wireless (and sometimes a wired) interface is required - this is the media layer. To aggregate the data from all these devices, networking is required – this is the networking layer. Then once the devices can talk to each other, the question is what they talk to each other – this is the application layer.
Watch this video (or read the transcript) to hear Carsten Bormann go through the state of the art in IoT networking protocol standardization ...


Although they are often named the same, the media layer of IoT networking consists of two separate parts: the radio to transmit the data and the protocol to exchange the data with the receiver. Important for many reasons including updatability. While the hardware can be in place for long periods of time, you can expect protocols to change every few years as exemplified by the 802.15.4 standard which is currently on version m.
Watch this video (or read the transcript) to hear Brandon Harris explain how to tune power consumption, bandwidth, range and cost to get the right sensor for your IoT application....




Episode 6

In broad strokes, the software required for an IoT deployment can be grouped into four classes: embedded software for sensors and gateways, networking or the IoT platform (communication, rules and sometimes interpretation) data management & analytics and of course the IoT application.
Listen to this podcast (or read the transcript) with Zach Shelby as we discuss the first class, embedded software for sensors or more specifically sensor operating systems and the inevitable evolution of these disparate classes into an IoT software ecosystem ...




Episode 5

In part 1 we discussed the sensor selection process and the costs involved. If you haven’t listened to the last episode, you should but it’s not a prerequisite.
Listen to this podcast (or read the transcript) with Scott Nelson where we finish talking sensor costs and move into sensor security, the untold risks when incorporating sensors and the expected evolutionary path sensor tech will take ...


B&B Electronics has been in the sensor game for over 30 years and is now helping companies connect their sensors to the Internet of Things.
Watch this video (or read the transcript) to see Mike Fahrion explain the anatomy of the connected sensor and what to look out for when approaching this technology for the first time ...