Cardi serial screenApplication trends? It is well known that in today's high-tech information age, elevators play an increasingly important role in people's lives, office buildings, apartments, residential buildings, shopping malls and other occasions elevators can be seen everywhere. With the continuous development of elevator technology and intelligent life, people's elevator requirements are not only passenger load, but also the elevator safety, comfort, aesthetics put forward higher requirements. Undeniably, the gorgeous intelligent elevator directly reflects the building's brilliant style. The traditional LED dot array outer calling plate and car box board because of the display content is relatively single, some occasions can not meet the product functional needs and user experience, and TFT-type outer calling plate and car board, completely broke the traditional display concept, not only with the elevator necessary information display, but also added dynamic real color background elements, interaction is more friendly, giving people more and more beautiful visual impact, so more and more people are favored.

At present, most of the car boardons on the market to LED dot matrix or STN monochrome screen display-based, so the main controller MCU relatively low requirements, roughly under the hardware frame diagram. Since most controllers use an eight-bit microcontroller or part of a 32-bit ARM design without a TFT controller, users who want to upgrade from LED dot matrix or monochrome display to TFT true color platform must change the current hardware structure, re-familiar with the new platform, increasing the test risk.

Shenzhen "Cardi" brand HMI serial screen 8.0 inch with touch, 16-bit RGB color, resolution 800 x 600 serial HMI, which completely separates the user control and display part, users do not need to change their hardware platform and core control code, just add the original code on the basis of serial port sending receiving function, you can quickly upgrade to the TFT platform.

During operation, the user first uses THE KISS software supporting KADI to pre-design the required picture, sound file downloaded to the memory inside the HMI via USB, and then through the MCU to send the corresponding serial instructions to control a picture display and other functions. Image, word library and sound file reading are all independently completed by HMI, while HMI has set up a 2K instruction buffer inside, so that the user MCU completes the instruction to send immediately into other operating units.