Dot-matrix Display

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Dot-matrix Display can be used in many aspects,like:

Display in subway station;

display in bank,supermarket,school;

information board in hospital;

automotive advertising screen;

electric gate information screen and so on.

Products in photo album are part of main products in my company.And we also can

manufacture other model according to the requirements from customers.

Looking forward to your inquiry!

Q: 8x8LED dot matrix display is how to distinguish between yin and Yang? I don't know much about the trouble. Thank you: There were divided into Yin yang.The Proteus doesn't see. You just put 8x8 on it. If it doesn't work, adjust it in all directions.

Q: How to determine the cathode and anode of 8 * 8LED dot matrix in PROTEUS: If Tianbuliangjiu replacement of VCC and GND, this measure matrix of rows and columns, a total of yin or Yang pin information etc..

Q: What's the difference between the LED module and the LED dot matrix?: The LED module arranges the LED lights on a circuit board in a certain order and adds a card slot to the outside

Q: I use multiple 8*8's LED dot matrix, with 4 8*8 can form a 16*16 matrix, then the line between the two 16*16 is how to connect?: The connection between the two does not need it, and then connect the driver circuit with the microcontroller, after receiving the LED to see how you control the program...

Q: Can a LED8*8 dot matrix display Chinese characters?: Must be able to, but a little deformity, not good-looking, and also have to take their own point. However, the use of dot matrix resources are relatively small, go to the next 51 electronic word acquisition software, so that

Q: Dot matrix LED brightness is different, how to solve?: This is the color difference problem, perhaps because you change the unit board, or the control system problems, you can find manufacturers to change the control method, it should be no problem.

Q: This is my modern electronic design topic, need to use the digital electronic technology knowledge to do, cannot use the monolithic integrated circuit or the PC machine. I hope you can tell me which chips and what devices to use, and so I'd like to tell you the whole idea. thank you very much indeed: Of course, 74164, 74164 for the 8 bit serial and out shift register. When the clearing terminal (CLR) is low, the output (QA-QH) is low.

Q: Why are the pixel sizes (LED) of the LED dot matrix module and the LED dot matrix display so large? Only 3.0mm, 3.7mm, 5.0mm, in the big diameter pixel resolution and pixel density is very low, in view of a strong sense of particle, why not make the pixel diameter small? For example, 1mm below, so that the unit area of pixel density is very high, how to solve? What is a single LED dot matrix module?...: The size of a single LED is the main limitation, and the too small size of the LED will not be encapsulated. Simply put, the single area of LED is dead. Too small a size to do. Of course, some of this is due to cost pressures, and if you have money, you can spread the entire panel.

Q: The dot matrix brightness of single chip computer is inconsistent: Brightness is not enough, you can increase the drive current or change the scanning cycle, 1/8 scan must be much brighter than the 1/16 scan. In scanning mode, the driving current of LED can be increased to 50mA, and usually no problem. In static driving mode, 20mA current comparison insurance is adopted.

Q: What do you mean by row drive in LED dot matrix display?: The number is down sideways, the number is listed. LED is a small light emitting diode, each light emitting diode has a light or not light control source, that source is a certain diode driver.

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