The LIBRARY basement part 7

Swedish research multiplies the life of rechargeable NiMH batteries

3D printed custom-shaped batteries


crowdfunding

Room Escape Artist - a real hacker puzzle

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:rofl:

Particulate Matter Sensing for Air Quality Measurements

Meet Omega2 Pro, the most powerful Omega yet.

The first Raspberry Pi prototype, hand-built by Eben Upton in 2006