Clip-on reading LED

by Robo, published

Clip-on reading LED by Robo Apr 15, 2010
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Clip-on reading LED by Robo is licensed under the Creative Commons - Attribution license.

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Alternative reading light (change on Conrad2468's design).


  • Faster to print
  • Lighter to wear
  • Clips onto more glasses

Works well with white led.


The battery is a CR2032 Lithium battery. It is possibly the most common type of lithium battery.
You may get them at a pharmacy or online: http://www.google.nl/search?q=CR2032

I recommend a white led. It officially requires over 3V.
The led will work but not at full strength, preventing it from overheating (no resistor required!) and it uses less energy. We found out that the led gives enough light to read, more light would actually be unpleasant.

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Is it hard to turn on and off? It looks like the led and battery are just press fit.

I made one of these in High school 11 years ago. I made mine with blue LEDs. I thought It was so cool.

not bad! but are those sunglasses?????


Blues brothers: http://www.youtube.com/watch?v=YHa_jqxnn4ohttp://www.youtube.com/watch?v...

That's why I needed the light in the first place 8-)