USB Lamp

About: i like to know............. everything

while working at night time on laptops and computers we experience difficulty in vision and here is the solution for that and its our USB Lamp..............

Step 1: Requirements

all u need is

1. 100 ohm resistor (01)

2. led lights

3. old used flashdrives or male USB pins

4. some wires

5. soldering equipments

6. some insulation

Step 2: Step 1:

the usb pin has four pins and the lower one is positive and the top one is the grnd

solder a 100ohm resistor to the grnd pin and a wire to the positive pin.

then fix a led to the wires. seeing the positive and the negative correctly.

after completion this would show a look like those on the pics.

Step 3: Step 3: Conclusion

alright after all this pin it to the usb port in ur laptops and enjoy the lights..........................

Step 4: USES

1. better view of keyboard at dark

2. ease to carry

3. cheap at rupees 5.

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    Discussions

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    bhvm

    1 year ago

    You have not made the same light as shown in 1st pic.

    Kindly share your original pic.