LED & Light Circuits

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Lamp Flasher Circuit

This is a simple two transistor lamp flasher circuit, which can be used to flash 6 volt lamp. The circuit is using two transistor....

LM3909 LED Flasher

This is a very simple LED flasher circuit using LM3909 IC. LM3909 is a great LED flasher IC operated only on 1.5 volt DC and gives a bright-high current LED....

Dark Detecting Circuit

A dark detecting circuit which will activate the relay in the circuit when there is no light on the surface of photoresistor. This dark detector circuit is very easy to....

Light Sensor Circuit

This is a light sensor circuit which will detect light and switch on the relay. This light switch circuit is very simple and using only few components. Working of the....

IR Receiver Circuit

This is a very simple and easy to make IR receiver circuit. This infrared receiver circuit is using only few components and it is able to receive 38KHz carrier signal....

IR Transmitter Circuit

This is a schematic of a IR transmitter circuit using IC. The IC used in this circuit is a famous timer IC NE555 which is working as an astable multi....

Simple 555 LED Flasher

This is a simple 555 LED flasher circuit using NE555 IC and few external components. The circuit is working as a stable multivibrator and the oscillation frequency....

One Transistor LED Flasher

Here is a one transistor LED flasher circuit which will flash a super bright LED. The circuit is using single transistor as driver which is taking flash rate from...

Simplest LED Flasher

The schematic shown below is a simplest LED flasher circuit. The circuit is using three LEDs which will start blinking or flashing when we provide 9 volt to the circuit...

Joule Thief

This is a very interesting circuit, it will drive 3.6 volt led from a single 1.5 volt cell. This circuit will run on 1.5 volt battery on which your other device are not working and showing low battery indication...

Blinking LED Circuit (1.5 Volt)

You will amazed by this blinking LED circuit because it will blink 3.6 volt LED from 1.5 volt. You can use any type of cell like AAA, AA or button cell. You can also use white LED in this circuit, this circuit will produce a very bright flash...

LED Flasher Circuit (3 Volt)

An another good designed LED flasher circuit. This circuit will blink a white LED. It will operate with 3 volt but takes only 1.8mA to perform its task so the battery will last longer...

230 Volt LED Lamp Circuit

Do you know that white LEDs can be used for a good looking lamp for your room? In this topic we will discuss a great idea of making a LED lamp Circuit with white LEDs to use as room Lamp...

230v Blinking LED Circuit

This is a blinking LED circuit operating from 230v AC. After providing 230 volt to the circuit the  capacitor charges through resistor R1 and diode and the voltage of capacitor becomes...

Dark Activated LED Blinker

The simple circuit of a dark activated led, this dark detecting led circuit will blink led when there is no light on the photo resistor...

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