Tuya Inc.

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Tuya Inc. is an IoT platform developer and provider from China. It started out with devices built on ESP8266 and ESP32 chips but switched to their own line of chips to prevent users from installing custom firmware and thus disconnecting the devices from their servers. Tuya's technology is used in many devices, from cheap dollar-store electronics to pricey designer lamps. Its chip line is designed to be drop-in pin-compatible to ESP chips but using a different API. Most Tuya-equipped devices nowadays can not be connected to WiFi without registering to the cloud first. It is often not visible from a product's description that Tuya components are used, as customers of the platform can rebrand the Smart Life cloud-connecting app. Only by inspecting the chips on the circuit board can someone know whether Tuya components have been used.

Tuya Inc.

Basic information
Founded	2014
Legal structure	Public
Industry	Smart electronics, platform-as-a-service, artificial intelligence
Official website	https://tuya.com

Links

Tuya company website

Tuya Inc. in the English Wikipedia

LibreTiny (formerly LibreTuya) - arduino compatible open source firmware (mainly) for Tuya chips

ESPHome does incooperate LibreTiny and allows full local control over supported MCU's from Realtek and Beken

Tuya Cloudcutter - A tool that disconnects Tuya IoT devices from the cloud, allowing them to run completely locally

comprehensive but still incomplete list of manufactures using Tuya