# Tchibo 287717: decoding a wireless weather-sensor signal

> The Tchibo 287717 investigation decodes its weather sensor's 433.85 MHz OOK transmissions. Captures and display comparisons support a pulse-distance message layout with repeated frames and mapped temperature and humidity fields.

- 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/fphammerle/tchibo-287717-weather-station-signal>
- Primary source: <https://github.com/fphammerle/tchibo-287717-weather-station-signal/blob/5809d200c68476ffac40f505d258e7c2cce24830/README.md>
- Catalog page: <https://awesomerea.org/resources/tchibo-287717-weather-signal-case/>
- Record JSON: <https://awesomerea.org/resources/tchibo-287717-weather-signal-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/tchibo-287717-weather-signal-case/index.md)

## Requirements & limits

- **Prerequisites:** A Tchibo 287717 sensor and suitable radio capture equipment to collect new transmissions.
- **Limits:** Some bits and the presumed checksum remain unidentified.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/fphammerle/tchibo-287717-weather-station-signal/blob/5809d200c68476ffac40f505d258e7c2cce24830/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.