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How to Use ‘Matter’ on ESP32

Shanghai, China
May 28, 2021

You can now build your first ‘Matter’ app on ESP32, enjoying reliable, secure and seamless connectivity!

‘Matter’ is an industry-unifying standard, guided by the Connectivity Standards Alliance (formerly known as the Zigbee Alliance), for reliably, securely and seamlessly connected devices. Matter is meant to increase compatibility among smart-home products, with security as a fundamental design tenet. Espressif has been part of the Matter initiative since its early days. In a blogpost originally published by Espressif’s engineer Hrishikesh Dhayagude, readers can learn how they can easily build a Matter application on ESP32.

The Matter SDK is an open-source repository for the implementation of the above-mentioned connectivity standard. ESP32 has been supported in the Matter SDK since the very beginning, and it is currently the only option which can offer both Wi-Fi and Bluetooth LE connectivity. Furthermore, ESP32 supports commissioning (for the initial device configuration) over Bluetooth LE and a Wi-Fi SoftAP, while also supporting operational communication over Wi-Fi.

For building your first Matter application on ESP32, the following examples are suggested:

    • ESP32 all-clusters-app: This example allows developers to experiment with all the Matter features by using ESP32-based development kits, such as the ESP-WROVER-KIT, ESP32-DevKit-C, and M5Stack Core1. With this example, users can perform device commissioning and control the device, using a Matter controller. This is also the default application used for development and testing.
    • Footprint-optimized application: The ESP32 temperature-measurement-app is specifically optimised for facilitating footprint-impact analyses.

Either of these examples can be tested on a Matter controller. More precisely, the Matter SDK provides a reference implementation for the controllers below:

    • Python-based Device Controller
    • CHIPTool
    • Android CHIPTool
    • Darwin CHIPTool

To get all the details on exactly how developers can use Matter on ESP32, you can read Hrishikesh Dhayagude's blogpost on the ESP Journal.

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