# Dot Matrix Camera

> A WebGL camera effect that turns the webcam feed into an interactive dot matrix display with adjustable density, dot, brightness and glow controls. Ported to React from Zanwei Guo's dot-matrix-camera.

- Author: [zanwei](https://21st.dev/@zanwei)
- Library: zanwei
- License: MIT
- Tags: WebGL, Dot Matrix, Shader
- Live preview: https://21st.dev/@zanwei/components/dot-matrix-camera

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/zanwei/dot-matrix-camera?api_key=$API_KEY_21ST"
```

Requires a 21st API key (generate one at https://21st.dev/mcp) passed as `API_KEY_21ST`. Free accounts get a limited number of installs per day; unlimited on a paid plan — see https://21st.dev/pricing.

Full component directory: https://21st.dev/llms.txt · More like this: https://21st.dev/community/components/s/webgl.md