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A digital tube is a semiconductor light-emitting device whose basic unit is a light-emitting diode. The digital tube is actually made up of seven luminescent tubes that are made up of figure-eight, plus the decimal point is eight. These paragraphs are represented by a, b, c, d, e, f, g, dp.
Digital tubes are also known as LED digital tubes, which are not the same names for digital tubes, but they are all the same products.
The number of digital tubes can be divided into seven segments of the digital tube and eight segments of the digital tube, and the eight-segment digital tube is more than one light-emitting diode unit (one decimal point display) in the seven-part digital tube; The number of "8" can be divided into 1, 2, 3, 4, 5, 6 and 7 digital tubes.
The light emitting diode unit can be divided into a common anode digital tube and a common cathode digital tube. Total Yang digital tube is all leds of anode together form the anode (COM) of the digital tube, the application of total Yang digital tube should be public extremely COM from + 5 v, when a particular field of light emitting diode cathode for low electricity at ordinary times, the corresponding field will light up, when a cathode for high electric fields, the corresponding field is not bright. Total Yin digital tube is all leds cathode together form the cathode (COM) of the digital tube, digital tube, a total of Yin in the application should be public ground very COM received GND, when a field anode for high power leds, the corresponding field is light, when a particular field of anode for low electricity at ordinary times, the corresponding field is not bright.
Led Segment Displays are the devices that are packaged together by multiple light-emitting diodes (leds), which are made up of "8" fonts, which are connected to the inside of the wire, and only by drawing the individual strokes of their strokes, the public electrode. The number of common USES of led digital tubes is usually 7 segments and one decimal point, and one is similar to the 3 "+ 1" type. Digits half a bit, 1,2,3,4,5,6,8,10 etc, led digital tube according to the connection of the led divided into a total of Yin and Yang two types, to understand these characteristics of leds, the programming is very important, because of the different types of digital tube, besides there are differences in their hardware circuit, programming methods are also different. The internal circuits of the co-yin and the common anode digital tubes are the same, except that they are different in polarity. The colors are red, green, blue, yellow and so on. Led digital tubes are widely used in meters, clocks, stations, electrical appliances and so on. When choosing, pay attention to product size color, power consumption, brightness, wavelength, etc.
A digital tube is one of the screens, and the input of a relative current to its different pins makes it shine.
This displays the number of parameters that can be represented by all available digits, such as time, date, temperature, and so on.
Because its price is cheap to use simple in appliance especially appliance domain application extremely wide, air conditioning, water heater, freezer and so on.
Most water heaters use digital tubes, and other appliances also use LCD screens and fluorescent screens.