https://www.espressif.com/en/news/ACK_with_ESP?position=7&list=GRGuNbw-VKhx4O_NZmx-f2nymqpQl2pyY9STIsMEYPg
Alexa Connect Kit Module, with Espressif, Released | Espressif Systems
Feb 1, 2021 - ESP32-PICO-V3-ZERO, also known as the "Alexa Connect Kit (ACK) module, with Espressif", provides an easy way for developers to build Alexa-compatible devices.
alexa connect kitmoduleespressifreleasedsystems
https://www.aboutamazon.com/news/devices/how-alexa-connect-kit-added-voice-to-a-christmas-tradition
How Alexa Connect Kit added voice to a Christmas tradition
Dec 17, 2021 - New to building connected devices? Ask Mr. Christmas how Amazon makes the process easy and cost-effective
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https://www.nxp.com/company/about-nxp/smarter-world-blog/BL-AMAZON-CONNECT-KIT-LPC5500-MCUS
Alexa Connect Kit and LPC5500 MCUs: Cost-Effective Simplicity and Rich Integration | NXP...
alexa connect kit