# rfserver: reconstructing a 433 MHz light remote

> rfserver implements Raspberry Pi Pico W firmware for controlling LED lights through a decoded 433 MHz remote signal. It sends commands over RF, tracks changes made by the physical remote and exposes HTTP endpoints for commands and state.

- Type: Case study
- Targets: Protocol
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-08
- Original resource: <https://github.com/bitcrshr/rfserver>
- Primary source: <https://github.com/bitcrshr/rfserver/blob/2a0d00ae4a16d657cadd26f9fb1702aa48aab690/README.md>
- Catalog page: <https://awesomerea.org/resources/rfserver-light-remote-case/>
- Record JSON: <https://awesomerea.org/resources/rfserver-light-remote-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/rfserver-light-remote-case/index.md)

## Requirements & limits

- **Prerequisites:** Raspberry Pi Pico W, suitable 433 MHz transmitter and receiver, Pico SDK and picotool.
- **Testing evidence:** The author reports trying the build only on Apple Silicon macOS.
- **License:** Unlicense.

## Primary sources

1. <https://github.com/bitcrshr/rfserver/blob/2a0d00ae4a16d657cadd26f9fb1702aa48aab690/README.md>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.