November 2021


Hi everyone,

Espressif is proud to announce the availability of new Wi-Fi modules implementing the AWS IoT ExpressLink specification.

Espressif’s AWS IoT ExpressLink modules, ESP32-C3-MINI-1-N4-A, are based on the ESP32-C3 SoC and offer Wi-Fi + Bluetooth LE 5.0 connectivity, thus providing any host MCUs with out-of-the-box, seamless, AWS cloud connectivity. Espressif’s AWS IoT ExpressLink modules offer a simple serial interface which the host MCU uses to get connected to AWS IoT services, and transform any offline product into a cloud-connected product. Espressif’s AWS IoT ExpressLink Module handles complex, yet undifferentiated, workload, such as authentication, device management, connectivity, messaging and OTA. Thus, it relieves developers from developing and maintaining complex firmware, while it provides end-to-end security and fleet management at scale. Espressif’s AWS IoT ExpressLink module comes pre-programmed with qualified firmware, and pre-provisioned with unique device certificates that remove security concerns from the manufacturing process, which is, therefore, significantly simplified.

Espressif’s AWS IoT ExpressLink module, ESP32-C3-MINI-1-N4-A, has the ESP32-C3 SoC at its core, which provides a cost-effective connectivity solution with 2.4 GHz Wi-Fi and Bluetooth LE 5.0 support. This Espressif SoC ensures connection security with such features as secure boot, flash encryption and an integrated digital signature peripheral. Espressif’s AWS IoT ExpressLink module comes in a small form-factor of just 13.2mm x 16.6 mm, and offers the option of either a PCB antenna or an external antenna connector. The module comes with regulatory certifications for most of the world’s regions.

Other topics you can read about in this month’s newsletter include:

Announcing the Availability of Pre-provisioned ESP32-C3, ESP32-S2 and ESP32-S3 Modules

Espressif’s pre-provisioning service greatly simplifies manufacturing complexity and security management.

Limited Sale: Launching ESP32-S3-BOX, a Versatile AI Voice Development Kit for the Smart Speaker Market

ESP32-S3-BOX is based on the ESP32-S3 SoC but has an additional 16MB QSPI flash and an 8MB Octal PSRAM.

Introducing the ESP32-C3-based Smart Switch

This solution upgrades traditional switches to smart switches, without rewiring, or configuring a gateway. It also combines low power-consumption with reliable and secure Wi-Fi connectivity.

ESP32-Powered Electrical Impedance Tomography Toolkit by MIT

MIT’s EIT-kit supports users in creating a variety of EIT-sensing devices, and visualizing the resulting data. The EIT-kit comprises a 3D editor plugin, a sensing motherboard based on ESP32, a microcontroller library, and an image reconstruction API.

Hope you enjoy reading this month’s newsletter. Keep sending us your messages and requests on Facebook, Twitter, GitHub, Instagram, LinkedIn,
and YouTube.

You can also contact us through our website or you can email us. We try to respond to all of your messages as quickly as possible!

Best wishes,
John Lee
Senior Customer Support Officer.


November 2021 was originally published in The ESP Journal on Medium, where people are continuing the conversation by highlighting and responding to this story.



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