XIAO ESP32-S3 bike computer with GPS and e-ink
A handlebar computer that shows speed, ride time and a simple map breadcrumb on a sunlight-readable e-ink screen.
AI-Generated Idea
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How It Could Work
Seeed XIAO ESP32-S3 plus a GNSS module (ATGM336H / NEO-M8) and a 2.13in e-paper panel. Log GPX to SD, show speed, distance and a tiny breadcrumb trail. Deep sleep between GPS fixes; optional hall sensor on the wheel. 3D-print a stem mount. High-contrast UI; refresh e-ink only when values change meaningfully.
Estimated Specs
DifficultyIntermediate
Cost$40–$100
BoardESP32
ChipESP32-S3
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