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IoT posts

  • By Cuong Tram
    Pitfalls to Avoid When Selecting IoT Data Plans IoT Data Plans - Twilio IoT

    If you’re in the IoT world, you know that machine-to-machine cellular data usage is skyrocketing. The average monthly data usage has nearly doubled in just the last three years. Given that dramatic increase in data usage, it’s also no surprise that one of the most common questions we get here at Twilio is how to most cost effectively manage data plans.

    In fact, a recent survey from IDC revealed that when customers looked at data plans, their two top concerns were data costs and pricing models. In fact, managing cost has emerged as a top concern for organizations regardless of use case, deployment location and device fleet size.

    Those same customers outlined the primary sources of their data costs:

    • 65% of organizations are paying for overages and unused data
    • More than 50% of the organizations manage multiple mobile carriers
    • For organizations with multiple domestic mobile operators, their top challenge is …
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  • By Tobias Goebel
    IoT Connectivity - How to Choose the Right Option for Your Business IoT Connectivity - Choosing the Right Option | Twilio

    What is IoT connectivity?

    The Internet of Things (IoT) refers to the billions of everyday objects that are now connected to the internet. And the world of IoT is expanding dramatically. IoT technology is being leveraged globally to drive innovation in industries such as healthcare, agriculture, transportation, including connected vehicles, and security. The International Data Corporation (IDC) projected global IoT spending to reach $742 billion in 2020 and predicts the figure will grow 11.3% per year through 2024. Every day, industry leaders are choosing to invest in IoT.

    This is a big deal. This behemoth of technology space is changing the world as we know it, shaping how we live, work, and engage with each other and with the physical world. Statista predicts the number of connected IoT devices will triple from 8.74 billion in 2020 to more than 25.4 billion in 2030.

    Why does IoT connectivity matter?

    So, …

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  • By Scott Lemon
    2G/3G Sunset: How to Future-Proof Your IoT Fleet 2G/3G Sunset: Future-Proof Your IoT Fleet

    If it feels like cellular tech is moving too fast to keep up with, it’s because it’s true! The introduction of 5G—with 6G and beyond already being discussed—means that there’s less space on the spectrum for older networks, leaving those with a fleet of 2G and 3G devices scrambling to upgrade their equipment. IoT-specific networks such as LTE Cat-M are being deployed to more and more regions. Taking this opportunity to upgrade your devices’ IoT SIM cards to a Multi-IMSI architecture and eSIM hardware at the same time will help to future-proof your devices as older technology is phased out and the cost of maintaining outdated hardware increases.

    Wait—what’s happening with 2G and 3G?

    Carriers are the players who ultimately determine whether or not to transition to a new technology, so the sun is setting on 2G and 3G networks at varying rates across the globe. While the dates vary, …

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  • By Jonathan Williams
    Now Available: Microvisor Pilot Documentation Twilio IoT Microvisor Pilot Documentation

    It is rare that one launches entirely new platforms to the market. At SIGNAL 2020, we announced Twilio Microvisor, a new IoT platform for builders of connected devices, and I can now provide an update on reaching a major first milestone with the Pilot documentation going live today. This will enable any embedded engineer to build their products with Microvisor in mind.

    For those of you new to Microvisor, here is a video introducing its capabilities:

    The Microvisor development has been progressing at pace and we are well on the way to deliver the first code in a few months’ time. Internally, we have the Microvisor cloud implementation up and running, as well as the OTA upgrade of real devices taking place. The secure device firmware is also racing along, with connectivity, upgrades, and cloud communications all functional.

    Hardware wise, the Nucleo form factor development boards have returned from …

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  • By Matt Jackson
    How to Gain an Edge for Cellular IoT Operations with Super SIM Connection Event Streams Super SIM Connection Event Streams

    The key to running a fleet of reliably connected IoT devices is having the right amount of insight, such as where SIMs are connecting, what networks are rejecting connections, and which SIMs are going rogue in terms of data usage. Without that, you are essentially building your business on hope, not knowledge—a risky proposition.

    Performance insight is key

    Super SIM is Twilio’s new cellular IoT connectivity platform, offering almost 400 worldwide cellular networks on one SIM. With Super SIM, one of the guiding principles of the product from day one was providing visibility into what’s happening “under the hood” when SIMs try to connect to networks. To help businesses grow and expand their IoT deployments, we created a reliable IoT SIM solution offering global reach, which allows companies to select exactly which networks their device should connect to in each country. So we built our own mobile network core—the …

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  • By Vijay Devarapalli
    How to Pave the Way to Manageable Global IoT Deployments with Multi-IMSI SIMs Global IoT Deployments with Multi-IMSI SIMs - Twilio IoT

    Did you know that many IoT projects either don’t reach their ROIs as quickly as intended or fail altogether? In fact, only 26% of companies have had an initiative that they considered a complete success and 60% of initiatives don’t even make it past the Proof of Concept stage. Complexity is to blame—complexity stemming from the need to tackle many different layers of technology for a successful IoT deployment, but also complexity within layers such as connectivity itself. This article introduces the cellular complexity challenge, and shows ways to address it.

    The cellular complexity challenge

    We applaud the availability of cellular networks around the globe, but behind each network are individual carriers, which are commercial businesses in most cases; interoperability, openness, or accessibility are not their top concerns, but it is those attributes that anyone planning to deploy across borders would require for a global implementation that remains manageable and …

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  • By Miguel Grinberg
    Build a Mute/Unmute Button for your Video Calls with a Raspberry Pi Pico and MicroPython Build a Mute/Unmute Button for your Video Calls with a Raspberry Pi Pico and MicroPython

    I always have trouble remembering what is the Zoom keyboard shortcut to mute or unmute my audio, so I end up grabbing the mouse and clicking the button instead. While there isn’t really a problem with clicking, it feels inefficient, and that awkward silence while every other call participant is waiting for me to unmute and start speaking appears to last an eternity.

    I thought it would be interesting to use my Raspberry Pi Pico microcontroller board and MicroPython to design a single-key keyboard with the only function to toggle the audio on my video calls. That way, there is no key combination to remember!

    Project demonstration

    Do you want to learn how to build this project? Just follow along!

    Tutorial requirements

    To build this cool little gadget you will need a few hardware components, described in the following sections.

    Raspberry Pi Pico microcontroller

    The heart of this device is going to …

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  • By Vijay Devarapalli
    When to Use LTE Cat M for IoT Devices When to Use LTE Cat M for IoT Devices HEader

    What is Cat M?

    LTE Cat M (also known as LTE-M) is a low power wide area (LPWA) technology designed to support “Massive IoT”, i.e. billions of IoT devices, with cellular technologies. Today Cat M is mostly referring to Cat M1, as Cat M2 adoption will take a few more years.

    LTE radio technology uses “categories” to differentiate the capability of each device that attaches to an LTE network. For example, Cat 1 refers to devices that can support download speeds up to 10 Mbps, while Cat 4 refers to devices that can use carrier aggregation and support download speeds up to 150 Mbps. Cat M1 refers to a category of devices that operate on a narrow 1.4 MHz channel with observed download speeds in the 589 Kbps range, and 1.1 Mbps on the uplink (3GPP release 14). The older Cat M modules have even lower speeds (300 Kbps …

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  • By Julia Makivic
    Make an Interactive Sculpture with Twilio Autopilot and Airtable sculpture.png

    In a previous tutorial, I described how to build a text-based messaging game using Twilio Autopilot, Facebook Messenger, and Airtable.

    Now, it’s time to bring that data into the real world, with a creative display of all the data from Twilio Autopilot that is being stored in the Airtable database.

    In this tutorial you’ll learn how you can make a small internet-connected sculpture that displays how players respond to each question stored in the Autopilot task. You’ll use a wifi-enabled microcontroller to read data from Airtable and to display the data on a small LCD screen that would be embedded in the sculpture.

    Photo of finished sculpture

    Seeing live results from the game displayed on the sculpture makes me feel more connected to the anonymous players playing the game during a time where most of us are communicating through digital means.

    I made the sculpture out of polymer clay with an embedded circuit …

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  • By Vijay Devarapalli
    The Benefits of “Consumer Profile” eSIMs for IoT devices ConsumerProfiles_BlogHeader.png

    eUICC SIMs (aka eSIM) present a significant step forward in cellular connectivity for IoT devices. What does the architecture look like for implementing eUICC SIMs? This article provides a technical deeper dive and explains the benefits of the so-called Consumer Profile architecture over M2M Profiles.

    The convenience of deploying SIMs digitally

    If you are deploying a fleet of IoT devices, you don’t have to worry about buying SIMs, getting them shipped and clearing customs, managing an inventory of physical SIMs and having a process in place for swapping SIMs when needed. eUICC SIMs eliminates all of that by converting a physical SIM into a digital profile that can be downloaded on-demand onto an eUICC SIM.

    For unmanaged IoT devices, eSIM/eUICC means you can deploy once and never have to visit the device location for a SIM swap to change your connectivity provider.

    eUICC SIMs are also known popularly as eSIM, …

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