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220V Flashing Lamp Circuit with 555 – Circuit Schematic
220V Flashing Lamp Circuit with 555
This 220V mains operated solid state flashing lamp circuit uses a 555 timer IC to control the ON and OFF times of a triac which controls power to the load ...
Simple LED Tester – Circuit Schematic
Simple LED Tester
Do not let its extreme simplicity deceive you — this thing is useful! I have made many over the years and have even given some away as gifts. Yes multime...
Soft Start for 12 Volt Halogen Lamps – Circuit Schematic
Soft Start for 12 Volt Halogen Lamps
This simple 12 volt halogen lamp soft starter circuit extends the life of the halogen lamps by eliminating the sharp rise in the temperature of the filamen.....
Whistle Light Switch – Circuit Schematic
Whistle Light Switch
With this whistle light switch you can turn on and off the lighting installation. The main part of this circuit is the UM3763 IC, produced by UMC. The piezo-cer...
Fairy Flashing LED Lights – Circuit Schematic
Fairy Flashing LED Lights
This simple and cheap circuit is not just for Christmas! There are just two resistors, a small-signal transistor such as a BC547, one ‘flashing LED and a....
Bicycle Rear-Light Afterglow Circuit – Circuit Schematic
Bicycle Rear-Light Afterglow Circuit
This article is of interest only to readers whose bicycle lights are powered by a dynamo. The laws on bicycle lights in the United Kingdom are stricter than in ...
555 Christmas Lights Project – Circuit Schematic
555 Christmas Lights Project
This is different than the standard 555 oscillator circuit in that the LED is placed in the capacitor reset line (pin 7). By doing so, overall current is reduce...
Light Activated Switch – Circuit Schematic
Light Activated Switch
The light activated switch circuit can be used for switching OFF a particular lamp or group of lamps in response to the varying ambient light levels. The u.....
LED Christmas Lights Circuit – Circuit Schematic
LED Christmas Lights Circuit
Have your already set up a Christmas tree in your house and decorated it with traditional lights? Build a couple of these led lights to enhance the Christm.....
Automatic Solar Garden Lights with LEDs – Circuit Schematic
Automatic Solar Garden Lights with LEDs
Efficient automatic solar garder lights circuit with minimum components the best deal is that is completely auto and the Solar panel acts as a light detect.....
Automatic street light circuit – Circuit Schematic
Automatic street light circuit
Below shown circuit will be automatically switched ON and OFF during night and morning times respectively. In above circuit R1 can be used to adjust the sensiti...
Strobe Light Circuit – Circuit Schematic
Strobe Light Circuit
Attention! This strobe light circuit is connected to 220V, so measurements and experiments are very dangerous even after unplugging it from the mains. P1 p.....
LED Driver Circuit with 555 Timer – Circuit Schematic
LED Driver Circuit with 555 Timer
This simple LED driver circuit allows us to drive up to seven LEDs by using a single NiMH (Nickel Metal Hydride) AA cell. The circuit produces voltage puls.....
Touch Light Dimmer Circuit – Circuit Schematic
Touch Light Dimmer Circuit
With IC SLB0586A from Siemens you can build a simple touch light dimmer circuit that will allow you to adjust the lamp intensity. Together with a TIC206D triac,...
Light Sensor Switch Circuit – Circuit Schematic
Light Sensor Switch Circuit
This light sensor switch circuit allows the automatic connection of a lamp when the light is low (at nightfall) and will maintain the lamp ON for a certain peri...
Automatic Light Switch Circuit – Circuit Schematic
Automatic Light Switch Circuit
This light sensitive automatic light switch circuit is intended to be connected at the main 220V supply. The circuit will connect a 220V lamp at the nightf.....
LDR PC Desk Lamp – Circuit Schematic
LDR PC Desk Lamp
Most of the PC desk lamps available in the market light up whenever there is an input power. These don`t take into account whether there is a real need for.....
Handy Pen Torch Circuit – Circuit Schematic
Handy Pen Torch Circuit
This easy to construct Handy pen torch  electronic circuit and low component count, uses two power white LEDs for lighting. Low volt (4. 8V dc) supply availab...
Clock Alarm Light Switch Circuit – Circuit Schematic
Clock Alarm Light Switch Circuit
Here is an ultra simple automatic light switch circuit for bedrooms. After construction, connect the input terminals of this circuit in parallel to the int.....
220V LED Blinker Circuit – Circuit Schematic
220V LED Blinker Circuit
Here is a simple LED blinker or flasher for decoration purpose. The 20 High bright LEDs flashes alternately giving a brilliant colour display. The circuit.....