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A Keyfob-Sized E-Reader You Can 3D Print for About $30

Summary by Boing Boing
YouTuber Paul Lagier has built an e-reader barely larger than an adult thumb out of a 3D-printed shell, an ESP32 microcontroller, a small battery, and a Heltec Wireless Paper e-ink display. The whole build runs about $30 in parts, according to Android Authority, or roughly a fifth of the cheapest Kindle. — Read the rest The post A keyfob-sized e-reader you can 3D print for about $30 appeared first on Boing Boing.
DisclaimerRead with caution - this story is only being covered by one news source that has a ‘low factuality’ rating, which means the outlet has a history of poor reporting practices. Learn more about factuality ratings here.

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yankodesign.com broke the news on Tuesday, April 14, 2026.
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