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FAN7710 Ballast Control circuit design – Circuit Schematic
FAN7710 Ballast Control circuit design
FAN7710 Ballast Control circuit design for Compact Fluorescent Lamps electronic project....
Drive Two-Six White LEDs (WLEDs) in Parallel – Circuit Schematic
Drive Two-Six White LEDs (WLEDs) in Parallel
The parallel arrangement of LED backlights allows the control IC to utilize inexpensive low voltage CMOS processes as shown by the followingcircuit diagram whic...
Dimmer Circuit – Circuit Schematic
Dimmer Circuit
Light dimmer circuit is used to control the lamp for arbitrary brightness. This dimmer circuit work for incandescent lamp, not a fluorescent one.? The dimmer....
Diac-Triac Phase/Power Control without Hysteresis – Circuit Schematic
Diac-Triac Phase/Power Control without Hysteresis
Hysteresis in lamp dimmer or in other electric appliance might cause some trouble if you need a fine tuning, something like out of control. This is a circuit of...
Dancing LEDs – Circuit Schematic
Dancing LEDs
The basic circuit illuminates up to ten LEDs in sequence, following the rhythm of music or speech picked-up by a small microphone. The expanded version can driv...
Constant Current Source LED Drive – Circuit Schematic
Constant Current Source LED Drive
This is a Constant Current Source LED Driver, When the LED driver Upper-NPN is driven by a voltage thru 4. 7K the LED lights up. Assume that the Lower-NPN at bo...
Circuit Diagram Of Slave Flash Light Control – Circuit Schematic
Circuit Diagram Of Slave Flash Light Control
The following circuit shows about Slave Flash Light Control Circuit Diagram. Features: 68mH Inductor, give auto trigger for secondary flash light, ....
Bicycle tail light flashing – Circuit Schematic
Bicycle tail light flashing
Present roads in good condition than the former Pan. The traffic is convenient. But often ran high speeds. When we use the bicycle at night. Although the....
Bicycle rear-light afterglow – Circuit Schematic
Bicycle rear-light afterglow
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 tha....
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...
Automatic emergency light circuit – Circuit Schematic
Automatic emergency light circuit
This low cost automatic emergency lighting circuit turns on a lamp during power failures. It is powered by a NiCad battery that is being charged by the mai....
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 Light DimmerCircuit Using 1N4007 Diode – Circuit Schematic
Automatic Light DimmerCircuit Using 1N4007 Diode
The following circuit shows about Automatic Light Dimmer Circuit Diagram using 1N4007 Diode. Features: built into a wall-mounted box containing ....
Automatic Lawn Light with LDR – Circuit Schematic
Automatic Lawn Light with LDR
Circuit of a compact and true solid-state automatic lawn light is described here. The circuit can be used to switch on incandescent garden light bulbs at....
Audio-Controlled Incandescent Lamp Light Controller – Circuit Schematic
Audio-Controlled Incandescent Lamp Light Controller
This is a audio-controlled lamp circuit. This circuit requires low voltage input such as pre-amplifiers, tone control, or general audio line level output. It`s....
AD8531 IC For LCD Panel Backlight Automatic Control Circuit – Circuit Schematic
AD8531 IC For LCD Panel Backlight Automatic Control Circuit
The following circuit shows about AD8531 IC For LCD Panel Backlight Automatic Control Circuit. Features: can compensate for aging effects and the ....
AC Powered-LED Circuit – Circuit Schematic
AC Powered-LED Circuit
The high durability nature of a light emitting diode (LED) make it suitable for ON/OFF indicator application. Because the limitation on low operating voltage,....
60 LED Clock – Circuit Schematic
60 LED Clock
This months project is based on the 4017 chip that we used in a project last month. If you haven`t had a chance to review the basics of the 4017 chip you may wa...
5W FLUORESCENT LAMP INTENSITY MODULATOR – Circuit Schematic
5W FLUORESCENT LAMP INTENSITY MODULATOR
The circuit was designed to experiment with using small fluorescent lamps as a broad pattern source of modulated light. The circuit hits the small lamp with nar...
40 LED Bicycle Light Using 555 – Circuit Schematic
40 LED Bicycle Light Using 555
The 555 circuit below is a flashing bicycle light powered with four C,D or AA cells (6 volts). Two sets of 20 LEDs will alternately flash at approximately 4.7 c...