Educational Infrared ESL Research Tool for Flipper Zero
_{Protocol study • Signal analysis • Controlled display experiments on authorized lab hardware}

_{Owner-authorized lab ESL display experiment}

⚠️ Important Notice

This project is strictly for educational and research purposes only.

You may use TagTinker only on ESL hardware that:

You personally own, or
You have explicit written permission from the owner to test in a controlled environment.

❌ Strictly Prohibited

Using in retail stores or any commercial environment
Targeting deployed retail systems or third-party equipment
Altering prices, product information, or operational displays
Interfering with commercial operations
Bypassing pairing, authorization, or security measures
Any unauthorized, unlawful, or harmful activity

The publication of this source code does not grant permission to access, modify, or interfere with any third-party system or device.

📋 Project Scope

TagTinker is limited to home-lab and research use, including:

Infrared protocol study and signal analysis
Controlled display experiments on authorized test hardware
Local tooling for preparing monochrome display assets
Educational diagnostics and interoperability research

This README intentionally does not include installation, targeting, or operational instructions for deployed retail systems.

✨ Features

📝 Text, custom image, and test-pattern display experiments
🖼️ Local web-based image preparation utility (tools/tagtinker.html)
🔬 Single-device protocol study and LED response tools
Clean, modular codebase for further research

🔒 Responsible Use

You are solely responsible for ensuring that any use of this project complies with applicable law, property rights, and required authorizations.

If you do not own the hardware or lack explicit permission, do not use this project on it.

Misuse is strictly prohibited and entirely at your own risk.

🔗 No Affiliation

This is an independent research project.
It is not affiliated with, endorsed by, authorized by, or sponsored by any ESL manufacturer (including Pricer), retailer, or system operator.

Brand names are used only for descriptive and research purposes.

🙏 Credits

This project is a port and adaptation of the excellent public reverse-engineering work by furrtek (PrecIR) and related community contributions.

📄 License

Licensed under the GNU General Public License v3.0 (GPL-3.0).
See the LICENSE file for details.

⚖️ Warranty Disclaimer

This software is provided "AS IS", without warranty of any kind, express or implied.

In no event shall the authors or copyright holders be liable for any claim, damages or other liability arising from the use of this software.

👤 Maintainer Statement

This repository is maintained as a narrowly scoped educational research project.

The maintainer does not authorize, encourage, or condone any use against third-party devices, deployed retail systems, or any environment without explicit permission.

Research responsibly.

Stay curious. Hack ethically.