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Automobile White LED Light – Circuit Schematic
Automobile White LED Light
Without any dedicated buck converter/white LED driver IC, you can safely drive many standard Hi-efficieny white LED modules using the battery power availab.....
Christmas LED Lights Circuit – Circuit Schematic
Christmas LED Lights Circuit
Using this simple Christmas LED lights decoration circuit, you can make an 18 LED flasher to decorate the Christmas Tree. The White, Blue and Red LEDs flas.....
Handy Bright Light Circuit – Circuit Schematic
Handy Bright Light Circuit
An interesting circuit of a true-portable and cute solid-state bright light built with LT1932. The light can be operated from two AA size dry/rechargeable pen-l...
Portable Solar Powered Lantern Circuit – Circuit Schematic
Portable Solar Powered Lantern Circuit
The panel 5W/6v Wp will have a max current of approx 500 to 800mA peaking at 800mA at noon. by restricting it to 150mA seems sheer waste. you can use a 1W panel...
220V Flashing LED Circuit – Circuit Schematic
220V Flashing LED Circuit
AC mains operated single LED flasher circuit, built using the popular CMOS timer chip TLC555 is shown below. The whole circuit is powered directly by the grid s...
Light Operated Relay Circuit – Circuit Schematic
Light Operated Relay Circuit
This light sensitive circuit can operate a relay to switch on lamps or any AC loads when it senses darkness. It is ideal to use as switch less night lamps.....
Outdoor Garden LED Solar Light Circuit – Circuit Schematic
Outdoor Garden LED Solar Light Circuit
This Outdoor LED Solar Garden Lights project is a hobby circuit of an automatic garden light using a LDR and 6V/5W solar panel. During day time, the internal re...
Motion Sensor Switch for Light – Circuit Schematic
Motion Sensor Switch for Light
Install the PIR module hanging from a 3 metre high mast (to cover 10 metre radius area) and connect its supply and relay terminals to our finished and enclosed ...
Flashing Light Circuit with Transistors – Circuit Schematic
Flashing Light Circuit with Transistors
This simple flashing light circuit is powered with 6 volts/0.5A and has a low current consumption when the light bulb is off. The flashing frequency is set.....
Flashing LED Circuit – Circuit Schematic
Flashing LED Circuit
This is a simple flashing led circuit with 2 leds and 2 NPN transistors. It illustrates the behavior of transistors and capacitors and if you use an oscill.....
Mini Led Flashlight with LT1073 IC – Circuit Schematic
Mini Led Flashlight with LT1073 IC
This led lamp circuit can be used as a mini led flashlight. Together with a 1.2 V rechargeable battery, all the components fit into a small enclosure. This.....
Automatic Lamp Dimmer Circuit – Circuit Schematic
Automatic Lamp Dimmer Circuit
This automatic light dimmer circuit makes it possible to control a lighting system so that it turns on or off slowly. The circuit works this way: when switch S1...
High Volt LED Flasher – Circuit Schematic
High Volt LED Flasher
Here is a Flasher circuit that directly derives power from AC to give brilliant flashes at the rate of one flash per second. It uses a Diac as the main ele.....
220V LED Flasher Circuit – Circuit Schematic
220V LED Flasher Circuit
This is an AC powered LED flasher that can drive two High bright LEDs directly from the power obtained from the AC lines. The high bright LED flasher can b.....
Police Car Lights with LEDs – Circuit Schematic
Police Car Lights with LEDs
This circuit is used to simulate the police car lights by alternating flashing strobes seen on British police cars. The IC1a forms a square wave oscillator havi...
Telephone Lamp Circuit – Circuit Schematic
Telephone Lamp Circuit
Here is a White LED Lamp that turns on when the telephone rings. The cool white light helps to locate the phone in darkness and also helps to note the mess.....
Battery Guard for Emergency Lights – Circuit Schematic
Battery Guard for Emergency Lights
As the name implies,emergency light is a source of light available during an emergency.It is an automatic system in which a rechargeable battery operated l.....
Aquarium Led Lighting Circuit – Circuit Schematic
Aquarium Led Lighting Circuit
This colorful back led aquarium lights gives natural appearance to the Aquarium tank. The Aquarium Led Lighting circuit automatically turns on at sunset an.....
USB Reading Lamp Circuit – Circuit Schematic
USB Reading Lamp Circuit
Light your table top with this cool White LED Lamp. It is powered from the USB port and is ideal to take notes while browsing internet. The USB port can pr.....
Flashing Light with Triacs – Circuit Schematic
Flashing Light with Triacs
This flashing light circuit uses triacs to generate an intermittent light with variable frequency. Additional components are the D1 diode and semi adjustab.....