WS2812 WORD CLOCK / ESP32 APPLICATION
WordClock 8×8
English 8×8 WS2812 word clock for ESP32-S3 and ESP8266, with a web dashboard, live face simulator, MQTT, OTA, and Apache license.
About this project
About this project
Eight by eight WS2812 LEDs behind a stencil plate spell the time in English words, with optional dots for the extra one to four minutes. The default target is M5's small ESP32-S3 board, and the same firmware also runs on generic ESP32 and ESP8266 boards; on a D1 mini the data line is recommended on D2, because D4 is a boot-strap pin, the debug UART and the onboard LED all at once. Time comes from NTP, held across reboots and Wi-Fi drops, with an optional DS3231 on D1/D6. Colours, night dimming, blackout, matrix alignment, MQTT and OTA are set from a dashboard served by the device or a serial console at 115200 baud. Only binaries are published, the C++ source is not published, and the case STL files are not included. A full-white matrix wants its own 5 V supply.
From the README
From the README
- Display
- 8×8 WS2812 / NeoPixel matrix, 5 V, single data line
- Input
- Button | GPIO 41 (short press cycles brightness; hold ~1.5 s runs an LED walk)
- Build
- Configuration is available from a self-hosted web dashboard and from a serial console at 115200 baud.
- Power
- a dedicated 5 V supply for a full-white matrix
- Limit
- This repository does not include STL files.
Hardware
Native board: Wemos D1 mini
Boards: ESP32-S3
ESP32-S3. Verify the exact board revision, wiring and power requirements in the upstream build guide.
Media credit & rights
Upstream project media · rights remain with its owner · Credit: markusvankempen
Screenshots from the upstream README. Code and firmware were not executed. License notices are included.
View original source ↗ Copyright & removal · Reviewed
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