AIHacker Newsabout 4 hours ago
Show HN: Open-Source eInk Bike Computer
1 min read
An open-source eInk bike computer uses an ESP32-S3 with a 4.7-inch e-paper panel readable in direct sunlight. It includes GPS, BLE 5, SD card slot, and USB-C. No barometric altimeter, magnetometer, or waterproofing; baseline battery life is about eight hours.
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