Detect objects with just a 3.7V battery
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YouTubeEnergy Tricks
Detect objects with just a 3.7V battery
Learn how to build an IR sensor project using a 3.7V battery! 🔧⚡ This simple DIY electronics circuit detects nearby objects and can trigger an LED or buzzer—perfect for beginners and science projects. In this step-by-step tutorial, you’ll understand how infrared sensors work and how to build a compact, battery-powered circuit at home ...
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