USB Powered LED Flash Light

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Crafting a portable and efficient LED flash light is no easy feat. One ingenious solution makes use of an external smartphone battery, cleverly repurposed as the power source for this versatile device. Moreover, users can simply plug it into any standard laptop or desktop USB port, giving them the freedom to illuminate their surroundings in seconds. A thoughtful design feature includes a keychain hole, allowing users to easily attach and detach the light from their keys or belts. To ensure a secure connection between the USB connector and the power source, copper tape is strategically applied, guaranteeing a reliable and long-lasting bond.