Project Patchouli: Open-source electromagnetic drawing tablet hardware
4 months ago
- #EMR-technology
- #hardware
- #open-source
- Patchouli is an open-source EMR pen tablet hardware implementation.
- Includes coil array, RF front end, and DSP algorithms for ultra-low-latency pen input.
- Compatible with most commercial pens from different vendors.
- Provides comprehensive documentation on EMR technology, circuits, signal processing, and pen protocols.
- Project updates include prototype testing (March 2024) and documentation hosting (January 2025).
- Maintained by Yukidama; community engagement via email and Discord.
- Sponsored by NLnet Foundation NGI Zero Core Fund.
- Documentation licensed under CC BY 4.0; hardware under CERN-OHL-S; code under GPLv3.