Category Archives: white LEDs (lighting)

DIY Circuits:High brightness White LED Torch

White LED Torch Heya folks! Here is an easy to build LED TORCH circuit powered using a rechargeable 3.7V mobilephone battery, actually i am using this torch light for a longtime (see my Led torch here) so i thought posting … Continue reading

Posted in DIY-electronics, Home made, LEDs, white LEDs (lighting) | 3 Comments

Automatic White LED Lamp

Automatic LED lamp I assume that you are already familiar with automatic emergency lights or street lights that will automatically turn on when the sun sets and will turn off automatically when the sun rises,those circuits all work with a … Continue reading

Posted in 555 Timer, DIY-electronics, LEDs, white LEDs (lighting) | Tagged , | 2 Comments

USB powered LED lamp

USB powered LED Lamp Since we can use the USB port of the computer to power many useful circuits, here is a simple USB LAMP circuit to power some white LEDs,

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