Low voltage indication is very important, especially for battery operated circuits. Because battery can discharge anytime and so a simple indicator is required. Therefore, this One LED Low Voltage Flasher Circuit using IC LM3909 is designed. It uses only one LED and also uses minimum components and moreover, it works on very low voltage. Hence, […]
LED and Lamps
Simple 3.6V High Power LED Torch Circuit
This article is about Simple 3.6V High Power LED Torch Circuit. It uses a 3.6V battery and is easy to build and the circuit is very easy to understand. The circuit uses only LEDs, one resistor, a switch and a battery. So beginners can also try this circuit and moreover, this circuit gives strong light. […]
LED Strobe Light Circuit using Arduino
First of all, strobe light is a light which blinks very fast. It goes ON and OFF again and again, because of this it looks very attractive. Nowadays, strobe lights are used at many places for example, party lights, emergency signals, warning lights and learning projects. In this LED Strobe Light Circuit using Arduino, an […]
Transistor Based LED Strobe Light Circuit
In todays world light effects are very interesting and these light effects are used in toys, decoration and are also used in warning systems. A Transistor Based LED Strobe Light Circuit is a blinking light that turns ON and OFF very fast. Therefore, it looks very attractive and is very useful. This circuit is very […]
Darkness Activated LED Circuit
This article explains about a Darkness Activated LED Circuit which is useful device that saves power. It is energy efficient circuit because light glows only in darkness. The circuit turns ON light at night and it turns OFF light in day time. It works fully automatic so, no manual switch is needed daily. It is […]
Automatic Solar LED Light Circuit
Solar power is free energy and it comes from the sun. It is clean and is renewable, because of this solar lights are very popular today. This is Automatic Solar LED Light Circuit and it turns ON light at night, and it turns OFF light at day automatically. In this circuit there is no switch […]





