The Internet of Things on AWS – Official Blog

How to Implement MQTT with TLS Client Authentication on Port 443 from Client Devices (Python)

Application Layer Protocol Negotiation (ALPN) is an extension to TLS that enables clients connecting to a TLS server to pass an extra parameter, known as a ProtocolNameList. The ProtocolNameList is a preference-ordered list of the application protocols that the client would like to use to communicate. AWS IoT Core now allows you to connect devices […]

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Using Device Jobs for Over-the-Air Updates

Whether it’s a firmware update or security patch, an update to a config file on a device, or a factory reset, all products need maintenance after they are in your customers’ hands. And to manage your fleet, you need to know which devices in your fleet have received and processed, either successfully or unsuccessfully, any […]

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Developing Amazon FreeRTOS with Texas Instruments’ Code Composer Studio Version 8

Update: This issue was patched in Amazon FreeRTOS version 1.2.4 to overcome the out-of-the-box experience challenges.  The root cause will be fixed in the upcoming Texas Instruments compiler release.   Last month, Texas Instruments (TI) launched Code Composer Studio (CCS) version 8, which includes the TI MCU compiler version 18.1.1. The Amazon FreeRTOS project for […]

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AWS IoT-Driven Precision Agriculture

Precision Agriculture Needs IoT The current world population of 7.3 billion people is estimated to reach 9.7 billion by 2050. Around 83 million people are added to the global population each year. This growth must be met by corresponding increases in food production. Compared to current yields, agricultural output would have to grow by at […]

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Setting Up Just-in-Time Provisioning with AWS IoT Core

In an earlier blog post about just-in-time registration of device certificates, we discussed how just-in-time registration (JITR) can be used to activate device certificates and attach policies to the certificates immediately after the device is auto-registered. JITR triggers a registration event. You must create an AWS IoT Core rule to listen for the registration event […]

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Using AWS IoT Core in a Low-Power Application

At AWS, we work closely with customers to assist them in building various types of IoT solutions. We often hear from customers about the need to manage power consumption appropriately in IoT. In this blog post, we’ll discuss one of the options for achieving lower power consumption while connecting to AWS IoT Core. Specifically, we’ll […]

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Using AWS IoT Device Management in a Retail Scenario to Process Order Requests

In this blog post, we will simulate a common business scenario to show you how to use the group policy feature in AWS IoT Device Management. Specifically, we will describe: How to create a hierarchical group structure and assign your IoT devices to different groups. How to publish messages to different IoT devices based on […]

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Using Device Time to Validate AWS IoT Server Certificates

AWS IoT Core supports a wide variety of clients, including browsers running applications built using the AWS IoT Device SDK for JavaScript, smartphones running applications built on the AWS Mobile SDKs, and embedded applications built with the AWS IoT Device SDKs. Each of these environments has different capabilities; some have more memory or faster CPUs […]

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