Light Laser LED Circuits
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DW l11 capacitor step-down into Jenru half crossing according to Yin electrical hoof. After receiving bin CI Sh power output terminal to liVI/r j Right cut blood flow voltage, .. -
DC power supply is a helium-neon laser excitation power supply currently used the most common form of power, there is shown a laser printer used in the road, Tl as power transf.. -
Crystal is a one-way ordinary transistor triggered threatened tube dimmer light circuit, VT2, V hired composition complementary amplifier to form the thyristor VT1 trigger circ.. -
Darlington is a tube made double clam touch switch circuit is characterized by a touch sheet and 20V AC mains through the power transformer T isolated, relatively safe. After t.. -
Control button switches SB1-SB4 can be installed in different positions corridor, just move SB1 ~ SB4 any one button, lights EL horse lights on, and after decompression transfo.. -
Construction LED circuit shown in Figure. It requires manual power, after the circuit is powered, the light will blink to remind people to pay attention to safety. .. -
Construction of buildings, when full power is not required fluorescent continuous operation, the application dimmable electronic ballasts can further reduce power consumption w.. -
Features voice switches with Figure 2109. From single-junction transistor VT2 and RC components delay the circuit. Adjustment potentiometer RP3 or capacity capacitor C3 can cha.. -
Fade fades the lighting circuit switch shown in Figure 1-12. The figure for the light switch S, H is accused of lighting. Transistor VT1, VT2 and RC components fade dimming con.. -
Fade-in fade-out light switch can turn on and off when the lamp brightness changes slowly, and the brightness can be adjusted. (1) One of fade-dimming lamp switch circuit circu.. -
Family karaoke 0K lighting design of a variety of methods to control circuit, the control circuit described here is a kind of four-way light output, loop jump, speed controllab.. -
FIG. 283 is a blackout emergency lighting controller, it is only the external side in the two lead s, can directly replace P Chan Tong Ge opening, when there is electricity, it.. -
FIG. 284 is a practical power emergency lights, which is characterized only when lights turn on in case of a sudden stop electricity. Fluorescent lights will alternate power fo.. -
FIG VDI, VD2, Rl and Cl form resistance voltage half-wave rectifier circuit, the output DC voltage 5v supply manifold with electricity. R2 for the manifold provides AC zero-cro.. -
FIG 220V AC by the step-down transformer T, VD3 ~ VD6 bridge rectifier and a three-terminal voltage regulator blocks A2, stable 12V DC voltage output for digital integrated cir.. -
FIG VDI ~ VD4 form a bridge diode rectifier, a full-wave transform the 220V AC pulsating DC, all the way for the red, green and blue (ie HI ~ H3) electric lights, another way t.. -
Explanation The circuit is nothing more than two light emitting diodes (D1 and D2), its position is controlled by the temperature of the surrounding environment. Here the tempe.. -
Constantly changing light and sound analog controller circuit 05 .. -
Engaged in indoor portrait photography comrades know, single camera alone - Hong ye states pictures are often missing lack layering. In order to obtain better shooting results,.. -
Driving series white LED, flowing through the same song in each white LED current, it is possible to obtain a uniform brightness. The disadvantage of the tandem drive is the dr.. -
Driving at night, when there is a vehicle rendezvous, according to traffic regulations prescribed distance should begin two vehicles alternately opening and closing the big lig.. -
Drive the light emitting diode is shown in the digital display circuit, the count signal to ICM7217 feet in the chip by the count and after the coding process to drive the digi.. -
Double tube fluorescent lighting circuit is shown. In some cases the need to improve twice, single-tube light can not meet the lighting requirements, double tube lighting. Phys.. -
Constantly changing light and sound analog controller circuit 01 .. -
Easy to take along four dimmer switch circuit shown in Figure 8, which has a 4-speed brightness of combination: When the switch Sl, S2 and S3 compete portion is closed, the lam.. -
Constantly changing light and sound analog controller circuit 07 .. -
Electronic ballasts have a wide operating voltage range, fast start working no noise, no flicker, save energy and so on. It has been more and more people to accept. The circuit.. -
Electronic Miss Manners infrared receiver and voice circuits .. -
Digital integrated circuit is composed of ten road flashing lights string controller that drives El- El0 ten road string lights flashing cycle. The same, A2 is the - mf sequenc.. -
Development and production of special touch dimmer integrated circuit, it has a dark, medium, light, take along a touch against the four side light function for zero trigger, h.. -
Configure National Semiconductors DS8877 drive circuit as shown, when the 6 digit calculator and digital current conjunction, the current range is 5 to 50mA. Drive does not req.. -
Figure 2 foot emitting a flashing light switch circuit indication. when s is closed, normal light E lights flashing hair light indicates power loss of power does not work shoes..
New Circuits
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
Popular Circuits
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Building an LC meter for a while since I do not have a multimeter that is capable of measuring...
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Peak voltage sample and hold circuit: peak voltage sample and hold circuit is shown in Figure...