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The LED matrix clock is composed from 400 WS2812b pixels. It is controlled via an ESP8266 running Arduino code. It offers control options via physical buttons, an integrated web server and advanced features via MQTT/Home Assistant integration.
The frame and enclosure is a simply pine box with a plywood backer board and an acrylic sheet front. It is pretty simple build without the need for any specialty tools or skills. A full parts list and build details can be found at Resinchem Tech Blog.
Key features include: