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5V Electronic Hourglass (Timer Clock) DIY Kit Raspberry Pi 4B Official Case suitable for crowd screening scenarios suitable for crowd screening scenarios Daisy Chainable Design: Multiple strips can be connected in series to control hundreds of LEDs from a single microcontroller You will know how the Hourglass Is working in the form of an Electronic DIY Kit Electronic Hourglass This DIY Kit is best for kids to learn about hourglass & good to build schools and college projects
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