Getting Started with Microsoft’s Azure Sphere

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Evan Rust

Microsoft’s recently announced Internet of Things (IoT) product, the Azure Sphere, is a platform that enables developers to create secure, Internet-enabled devices.

The Azure Sphere module is comprised of a microcontroller, a Linux-based OS, and a cloud-based security service. With many reports of unsecured and vulnerable smart home devices being published at an astounding rate, a board that can take the place of those devices is necessary. The module has 16MB of flash storage, 4MB of SRAM, an Arm Cortex-A7 processor for low-power applications, and two Arm Cortex-M4F processors for real-time processing, along with built-in Wi-Fi and the Microsoft Pluton security subsystem. I/O such as SPI, I2C, and up to 27 GPIO pins allow for other sensors and microcontrollers to be easily interfaced.



Getting Started with Microsoft’s Azure Sphere