Flash Bee is an easy-to-make DIY handheld lightning detector based on an ESP32-C3 board, a round display, and AMS AS3935 ...
When taking macro photographs, you often need just a tiny bit of controlled motion — so little that it’s tough to pull off by hand. To address this, [Salveo] designed a small open-source macro ...
Every collector ends up with items that are worthless, usually because they are broken or incomplete. When [Graindead] found a 1920s glass-plate reflex camera for pennies with plenty of missing parts, ...
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