# WLED

8 Hacker News commenters recommended WLED and 0 criticized it, November 2025 to November 2026. It was recommended in 4 of 13 months.

**Verdict:** Free open-source firmware that runs on an ESP32 to drive addressable LED strips, including music-synced and audio-reactive effects.

## Why people recommend it

- Audio reactive and music-synced LEDs (2 comments): "Install wleds, sync them to the music or use them as visual notification for things you care about" ([source](https://news.ycombinator.com/item?id=47699469)) "The WLED firmware with an ESP-S3 and a MEMS microphone can even do audio reactivity." ([source](https://news.ycombinator.com/item?id=50015985))
- Runs on cheap ESP32 hardware (2 comments): "WLED is a system that runs on the ESP32 for some cool capabilities to drive the ws2812s" ([source](https://news.ycombinator.com/item?id=48388358)) "WLED does everything on the ESP32." ([source](https://news.ycombinator.com/item?id=47688816))

## Alternatives hackers recommend

- [ESPHome](https://hackerapproved.com/p/esphome.md): 54 recommend
- [Tasmota firmware](https://hackerapproved.com/p/tasmota.md): 5 recommend

## Cite as

Hacker Approved, "WLED", https://hackerapproved.com/p/wled/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).