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LED and Lamps

How to Build a Two LED Temperature Indicator Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This article show How to Build a Two LED Temperature Indicator Circuit which is easy and cool project. This circuit is used for many thing like: To check water shower when it is not too hot so no damage can happen Be sure computer parts, amplifier, heater and even car water tank do not get […]

Filed Under: Indicator Circuits, LED and Lamps

LED Strobe Light Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This article show how to make one LED Strobe Light Circuit which uses famous chip named IC 555. Some knobs and resistors are used to control how much light and how fast it blink. One resistor also control the power which connects to LED. This project uses one special switch and this switch can handle […]

Filed Under: LED and Lamps

Light Up Simple LED with Weak 1.5V Battery and Joule Thief Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This easy LED circuit with Joule Thief can make light from weak 1.5V battery! It work with white, blue and UV LED. We just need low power battery like 1.2V. Nice thing is LED still glow even if battery is very low like 0.4V. Now we can use old battery which people throw away! WARNING: […]

Filed Under: Inverter Circuits, LED and Lamps

5 Watt LED Driver Circuit (SMPS)

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This 5 Watt LED Driver Circuit (SMPS) tell how to make power supply using wall plug to turn ON bright LEDs. It is made for white LEDs but also can work with blue, green, red, yellow, even UV light. What is a 5 Watt LED Driver Circuit: A 5 watt LED light is powered by […]

Filed Under: LED and Lamps, Power Supply Circuits

SMPS Halogen Lamp Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

SMPS Halogen Lamp Circuit mostly need transformer for working. This post talk about new type transformer using switching power supply. It is more simple than older transformers and can work with other bulbs too if they do no use radio wave RF. This new design also save energy. What is a SMPS Halogen Lamp Circuit: […]

Filed Under: LED and Lamps, Power Supply Circuits

Simple LED Fading Circuit using IC 555

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

Simple LED Fading Circuit using IC 555 is small project for LED light which are very cool and save power. This LED light goes bright and then goes dim slowly. We have used 555 IC chip and few other circuit parts which are very easy to make. Circuit Diagram: Parts List: Category Component Quantity Resistors […]

Filed Under: LED and Lamps

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