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The Arduino cat laser that actually works

The Arduino Cat Laser That Actually Works. See how this Arduino powered cat laser works and explore the simple electronics and programming behind the project. #Arduino #DIY #Electronics Karoline ...
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I made a glowing face mask with LEDs!

Let's make a Face Mask with LEDs! **Materials:** - Individually addressable LED strip soldered in a 30 x 12 LED grid - Arduino Micro - SD card reader module - Push button - 10,000 mAh power bank - ...