Instructables
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Picture of Laptop keyboard light
Helpfull laptop light for the keyboard

Materials:
old cassette
glue gun
saw
eraser
led lantern
usb cable
tape
spring from a pen
220ohm resistor
 
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Step 1:

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Get an old cassette and disassemble it. We need only one part.

Step 2: Cut something

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Step 3: Some paper

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Cut two pieces of paper 2cm width 28cm height

Fold by the half, and then by the half and half...until you get something like the picture

Cut a little peace of eraser and paste it with a glue gun to the cassette like the picture, you can add some tape.


Step 4: Add the springs

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Take the pen spring and cut it half, then paste it to the bottom of the cassette like the picture.

Step 5: Find your lantern

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Get your lantern, disassemble it and keep the led or leds, add a 220ohm resistor in series.
Then cut the usb green and white cables
Finally conect the usb cable ground to the leds ground and the usb voltage to the resistor.

Step 6: Paste

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Paste the leds and the usb cable to the cassette.

Step 7: Use it

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bhvm10 months ago

Is'nt the lamp shining smack in your face rather than on the keyboard?

Winged Fist3 years ago
Great design! Very nice concept, and well executed... It's good to see a build that makes use of an old cassette tape box!;-)