Discover how to build a simple DIY projector using everyday materials like cardboard and a small flashlight or laser pointer.
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DIY hand-powered water pump generator | Build a mini pump & light LEDs with recycled materials!
Discover how to build a hand-powered water pump that also generates electricity to light up LEDs using everyday recycled ...
Regular Christmas trees don’t emit light, nor do they react to music. If you want both things in a holiday decoration, consider this build from [dbmaking]. An ESP32-D1 mini runs the show ...
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