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importantSYS.SOURCE: OpenTrailPaper• 2026-09-04T17:18:08Z

Open-Source E-Paper Bike Computer with GPS and Bluetooth Support

#hardware#open-source#gps#bluetooth#bike tech

OpenTrailPaper is an open-source e-paper bike computer firmware for the LilyGO T5S3 board, offering GPS tracking, offline maps, and Bluetooth sensor integration. It features a 4.7" e-paper display, SD card storage, and DIY hardware setup with trade-offs including basic GPS and no waterproofing.

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