raspberry pi digital signage display

The small-pitch LED display has the characteristics of high refresh, high grayscale, high brightness utilization, no image retention, low power consumption, and low EMI. It is not reflective for indoor applications, and the display contrast is as high as 5000:1; it is lightweight and ultra-thin, High precision, small space for transportation and use, quiet and efficient heat dissipation. Small-pitch LED display products have a wider color gamut space and faster response speed than ordinary large LED screens, and can realize seamless splicing and modular maintenance of any size. The whole picture played is uniform in color, high-definition lifelike, no abnormal display such as sweat spots and bright lines that are common on ordinary screens, and the picture switching is soft and does not flicker, and the picture quality is very delicate, which is close to the playback effect of a TV. The contrast ratio of 5000:1 can show excellent blackness when the screen is black, and it is the best among similar products. The biggest competitiveness of indoor high-density and small-pitch LED displays lies in the complete seamlessness of the large screen and the natural and true display colors. At the same time, in terms of post-maintenance, the LED large screen already has a mature point-by-point calibration technology. The large screen used for more than one or two years can be used to perform a one-time calibration of the entire screen. The operation process is simple and the effect is very good. When using a small-pitch LED display, pay attention

In fact, until now, many people still confuse the touch all-in-one with an ordinary touchpad, and think that as long as the touchable screen is a touch all-in-one, this understanding is wrong. Bank ATM teller machines and traditional supermarket cash registers that we see every day belong to traditional touch panels instead of touch all-in-ones. Traditional touch panels are generally single-point or double-point touch, and touch all-in-ones are actually It can realize infrared or capacitive multi-touch. We will talk about the advantages and disadvantages of infrared touch and capacitive touch and their application fields next. What is the difference between a touch all-in-one machine and an ordinary touchpad, you must know Capacitive touch screens are currently mainly used for the display of high-end devices such as mobile phones, tablets, and computers. The touch function can be realized with the skin of a human finger, multi-point, handwriting, etc. can be realized without any problem. Capacitive touch screens cannot be touched with gloves, and there is no response to touch with gloves, and the larger the size of the product required, the more expensive it is. The capacitive screen all-in-one machine is more beautiful, more beautiful, lighter and thinner, pure flat surface, and easy to realize. With waterproof function, the reaction speed is more sensitive at the same time. Infrared touch screens are currently not used for the display of high-end devices such as mobile phones, tablets, and computers. The infrared touch screen is currently only for the display. The infrared touch

Compared with traditional advertising machines, what are the advantages of LCD advertising machines? The following editor will leave a brief introduction: The LCD advertising machine is very convenient to maintain the advertising content. The traditional advertising machine needs to copy the content with a computer first, and then a dedicated person will go to the advertising machine outlet to replace the CF card, which causes a waste of human resources and is very inefficient; the electronic online advertising machine is accessed through the Internet IP and passed in the office. Control the host, directly download the content to be updated to the advertising machine, and can delete, sort, set playback rules, interstitial control, aerial control, etc., all can be completed in a few minutes, and save a lot of labor costs. The advertising playback management of the LCD advertising machine has become more flexible and faster. Traditional LCD advertising players need to pre-arrange the program playlists. How to broadcast at the outlets usually takes a long time to implement after the arrangement is completed, and it is very inconvenient to replace one round and requires a lot of manpower; electronic online advertising players This problem can be solved easily. All outlets arrange programs, change, insert broadcast, and broadcast arrangements only need to be controlled by software on the server management side, and the order can be issued. It can be said that an advertisement can be placed overnight. To broadcast on designated outlets in various cities, the speed is very