Making a flashlight LED using USB cable
Making a flashlight using USB cable
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Materials
knife (or stripper)
tape
LED (3V)
LED (5V)
resistor (110V) or 2x resistor (220V 100ohm -parallel connect)
usb cable (default 5V)
power source
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Process
Strip the wire
Power wire is red and black one
Red is anonde
Black is athode
White and green is data wire (unnecessary)
Strip black and red wire
Twist them
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With LED (3V)
Connect resistor with LED (3V)
Try power and correct electrode
Turn off power and connect them in correct way
Use tape to surround your device
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With LED (5V)
we dont need resistor
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