Multifunctional LED dot matrix display screen
A display, multi-functional technology, applied in static indicators, short-distance communication services, voice analysis and other directions, can solve the problem of single static picture of LED display, and achieve the effect of improving entertainment and interactivity, and ensuring safety.
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Embodiment 1
[0033] A multifunctional LED dot matrix display, such as Figure 1 to Figure 7 As shown, it includes the control board, installation frame 1, LED dot matrix screen and MCU controller. The package of the MCU controller is LQFP64 or LQFP100, the MCU controller is installed on the control board, the control board is fixed in the plane of the installation frame 1, and the LED dot matrix screen is installed on the plane of the installation frame 1 through bolts 2. The LED dot matrix screen is a display screen with a pixel point per square meter of P2.5, P4, P5, P8 or P10. The color of the LED dot matrix screen can be monochrome or colored. The installation frame 1 and the LED dot matrix screen can be composed as figure 2 The arrangement structure of four rows and three columns shown can also be formed into arrangement structures of two rows and two columns, two rows and three columns, three rows and three columns, and the like. Such as image 3 with Figure 4 As shown, the adj...
Embodiment 2
[0037] As preferably, in order to realize the present invention better, optimize further on the basis of above-mentioned embodiment, especially adopt following setting structure:
[0038] Such as Figure 1 to Figure 7 As shown, the MCU controller is also connected to a formaldehyde sensor through a serial port or an AD conversion interface, and the model of the formaldehyde sensor is preferably WZ-S. The MCU controller is also connected to gas and natural gas sensors, air quality sensors and temperature sensors through the AD analog-to-digital conversion interface. The model of the gas and natural gas sensor is preferably MQ-5, the model of the air quality sensor is preferably TGS2602, and the temperature sensor is preferably a thermistor. The MCU controller is also connected with an infrared remote controller and an audible and visual alarm through the GPIO interface.
[0039] Such as Figure 7As shown, on the right frame of the installation frame 1, there are also formalde...
Embodiment 3
[0043] As preferably, in order to realize the present invention better, optimize further on the basis of above-mentioned embodiment, especially adopt following setting structure:
[0044] Such as Figure 1 to Figure 7 As shown, the MCU controller is also connected to the 2.4G remote control and SPIFLASH through the SPI interface. The MCU controller is also connected with a wireless communication module through the RS232 interface or SPI interface. The wireless communication module includes WIFI communication module, NB communication module, 2G communication module, 3G communication module, 4G communication module or Bluetooth data communication module, LED dot matrix display It is connected with the user's smart phone through a wireless communication module.
[0045] The SPIFLASH of the present invention can enable the LED dot matrix display to display various blessings, advertisements, ancient poems, etc., which greatly enriches the picture content of the LED display. Of cou...
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