PN junction photodiodes, like other types of photodetectors, are widely used in photoresistors, photosensitive coupling elements, photomultiplier tubes and other equipment. They can output corresponding analog electrical signals (such as measuring instruments) or switch between different states of digital circuits (such as control switches, digital signal processing) according to the illuminance of the received light. Photodiodes are also used in consumer electronics products, such as CD playe
In this case, the infrared lamp related parts may be damaged, or the photoresistor may be faulty. Infrared surveillance cameras are divided into ordinary infrared cameras and dot matrix infrared cameras. Dot matrix thermal imaging cameras are better than ordinary thermal imaging cameras, with longer irradiation distance, fine and clear picture quality, and longer service life than ordinary thermal imaging cameras. The working principle of the infrared camera is that the infrared light emitt
At present, the application of photoresistors in contemporary applications can be said to be more and more extensive. The characteristics of photoresistors The application of photoresistors is worthy of our study. Now we have a deep understanding of the characteristics of photoresistors and the applications of photoresistors. . Application of photoresistor. Photoresistors are photoelectric elements made of semiconductor materials that work with internal photoelectric effect. Its resistance val
With the continuous progress of people's lives, the use of infrared has also entered people's lives, and the fields of application are also broader. Here are some infrared cameras, audio output devices and other infrared reference products in the fields of infrared emission tubes. And according to the characteristics of different infrared emitting tube chips, the applicable fields are wider according to different wavelengths. Infrared emission tube product wavelength: 940nm, suitable f
The photoelectric switch is generally composed of three parts: transmitter, receiver and detection circuit. The transmitter aims at the target and emits a beam of light. The emitted light beam is usually composed of semiconductor light sources, light emitting diodes (LED), laser diodes and infrared light emitting diodes. Continuously emit the beam or change the pulse width. The receiver is composed of photodiodes, phototransistors and phototubes. In front of the receiver, optical components suc
For integrated street lights, many customers will have a worry about whether they can be used normally in rainy and cloudy days. After all, the solar energy intensity is obviously not enough in cloudy and rainy days, and it is precisely at this time that high-quality lighting is most needed. Below, professional manufacturers will give a detailed introduction to this problem, come and take a look.The integrated street light is mainly illuminated by the principle of solar energy. It is an environm
The overall price of the 6-meter solar street light is relatively high, which means that for customers who want to purchase, it will increase their cost, but we also know that the practicality of this product is Very strong. Therefore, if you want it to be more cost-effective, you have requirements for its use time. Then, how long can a 6-meter solar street light generally last? Take a look at the following introduction.In fact, people’s scruples are left. Since the battery panel of the 6-meter
1. Energy saving: LED lamps of the same power consume only 10% of the power consumption of incandescent lamps, which is more energy-efficient than fluorescent lamps. 2. Long life: LED lamp beads can work for 50,000 hours, which is longer than fluorescent lamps and incandescent lamps. 3. Dimmable: The previous dimmers have always been aimed at incandescent lamps. When the incandescent lamp is dimmed, the light will turn red; it is difficult to see the fluorescent lamp dimming. Lighter, this
LED spotlights are mainly composed of housing, lamp beads, aluminum base plate, and drivers. The specific analysis is as follows: LED spotlight shell: baking varnish, electroplating two kinds of shells. The whole set includes lamp cover, lamp cup, base, aluminum substrate, lens, screw. Suitable for MR16, GU10 lotus shape, beautiful and generous. Good heat dissipation performance. LED spotlight lamp beads: six-pin RGB, dedicated for spotlights, red light: 40lm, green light: 60lm, blue
Home lighting, decoration, living room, bedroom, wall lamp, table lamp, bathroom, balcony, kitchen, ceiling lamp, bar, courtyard, private garden, landscape lightingSchools, hospitals, factories, offices, commercial buildings, office buildings, desk lamps, corridors, passages, stairs lightingMunicipal lighting, banks, infrastructure, stadiums, airports, theaters, industrial facilities, public health Restaurants, clubs, guesthouses, hotels, commercial buildings, guest houses, supermarkets, cold dr
The aluminum base and the lamp body of the LED adopt a safe integrated design for better heat dissipationThe aluminum oxidation treatment of Seiko car is more beautiful. It is durable and anti-vibration with low light decay.Accurate voltage regulation. Reliable constant current source. High-performance drive power with IC protection core designDC bipolar protection safety. Low failure. Energy saving >80% belongs to the fourth generation of light sourceLong life. It greatly reduces the replace
Semiconductor light-emitting diodes are similar to semiconductor lasers and are also PN junctions, which use external power to inject electrons into the PN junction to emit light. Semiconductor light-emitting diodes are referred to as LEDs and are composed of a p-layer formed of a p-type semiconductor and an n-layer formed of an n-type semiconductor, and an active layer composed of a double heterogeneous material in the middle. The active layer is the light-emitting area, and its thickness is ab
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