Sustainable and repairable e-bike battery (that's also fireproof)

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1. We're building an open-source battery [video]

   youtube.com

   Made this video on our project which might be of interest to folks here!

   HNHacker News8점

2. Making an 1800mah e-ink device last up to 6 months

   trmnl.com

   HNHacker News9점

3. PedalPC

   pedalpc.com

   Generate electricity and get exercise while you work

   HNHacker News51점

4. A (marginally) useful x86-64 ELF executable in 298 bytes

   github.com

   Battery info program for x86-64 Linux laptops in 307 bytes of machine code

   HNHacker News85점

5. Ember

   news.ycombinator.com

   A hot plate controller powered by USB-C Power Delivery

   HNHacker News7점