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Step 1Components Required
You will need.
1. A cell phone /Mobile Phone Charger with out put of 5 to 12 volts.
2. One white LED 5mm ( You can substitute with Blue color LED)
3. One resistance (for value click to see the chart)
4. One diffuser. I used a cap from an insulin syringe (BD), most white semi-transparent bottle caps do the job.
The diffuser is required to disperse the light uniformly in the room and make it cool to the eyes.
1. A cell phone /Mobile Phone Charger with out put of 5 to 12 volts.
2. One white LED 5mm ( You can substitute with Blue color LED)
3. One resistance (for value click to see the chart)
4. One diffuser. I used a cap from an insulin syringe (BD), most white semi-transparent bottle caps do the job.
The diffuser is required to disperse the light uniformly in the room and make it cool to the eyes.
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