LED ring and ESP8266 D1 Mini smart light. This emulates a Hue light and can be controlled either from an app such as the Alexa app or by voice commands via an Echo. The device is powered via USB.

Parts:

1. RGB LED ring - https://www.aliexpress.com/item/TZT-teng-1pcs-RGB-LED-Ring-24Bit-WS2812-5050-RGB-LED-Integrated-Drivers/32802036170.html?spm=a2g0s.9042311.0.0.YDzmLd
2. ESP8266 D1 Mini - https://www.aliexpress.com/item/1PCS-D1-mini-V2-Mini-NodeMcu-4M-bytes-Lua-WIFI-development-ESP8266-by-WeMos/32754697134.html?spm=a2g0s.9042311.0.0.YDzmLd
3. Pin header

Construction:

1. Wires soldered to 5v, Ground and D2 of ESP8266
2. Wires soldered to 5v, Ground and Data of the LED Ring
3. Use the pin header male and female to create plug/socket for the ESP8266 to LED Ring
4. All parts inc.the ESP8266 and LED ring are pressure fit when I printed them. No glue required.

Software:

1. Download Visual Studio Code
2. Install Platformio plugin
3. Download Tasmota
4. Flash the ESP8266 (https://github.com/arendst/Sonoff-Tasmota/wiki/Wemos%20D1%20Mini)

Note:

This is not a full set of instructions as there are plenty of videos on YouTube and other resources that explain how to get Tasmota working on the ESP8266.