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3G is approaching. There is no doubt that one of the biggest industrial opportunities in the current communications industry is the construction of 3G communications networks. As the most basic servic...[Details]

　　When the P0 port is used as an I/O port output, the output low level is 0 and the output high level is a high configuration (not 5V, equivalent to a floating state, that is, the P0 port cannot real...[Details]

Successfully transform the fresh-keeping warehouse with 1.5P air conditioner Before this, many people have questioned whether it is feasible to use air conditioners as cold storage. Just recen...[Details]

1. Problem description: Use STM32CubeMX, configure SDIO 4-bit mode, and perform read and write tests on the SD card. 2. Preparation: Software version: STM32CubeMX–4.22.0; KEIL5 Hardware platform: At...[Details]

Experimental requirements: The internal timer 0 of AT89S52 works in mode 1, that is, it is used as a 16-bit timer and T1 overflows and interrupts once every 0.05 seconds. P1.0~P1.8 of P1 port are con...[Details]

1. Working principle of grating ruler displacement measurement The grating is composed of a light source, a lens, a scale grating (main grating), an indicator grating (sub-grating) and a photoelectri...[Details]

LabView is designed for VISA-level communication with instruments. As long as the instrument has a LabView driver (or plug-and-play driver), the program is straightforward. However, instruments witho...[Details]

Design requirements: Control the output voltage by pressing the button to change the speed of the DC motor Implementation ideas: Use DAC0832 to convert the data output by the microcontroller into a...[Details]

1 Introduction With the development of information technology and the enhancement of people's security awareness, electronic lock technology has developed rapidly. The electronic lock system has long...[Details]

Automobiles have become an important battlefield for semiconductor manufacturers. Don't underestimate a car. With the intelligentization of automobiles, by 2020, a car or two may even need thousands ...[Details]

LED soft screen has the advantages of LED display products, such as lightness, thinness and transparency. The ingenious structural design enables it to be installed in a lateral and longitudinal bend...[Details]

Excelitas Technologies® Corp., a global leader in innovative, customized optoelectronic solutions, has introduced its new VTH21 series photodiodes for radon gas detection. Excelitas' low-capaci...[Details]

Show results: Chip crystal oscillator 11.0592   #include reg51.h #define uchar unsigned char #define uint unsigned int #define dataport P0 //data port sbit CS1=P2^4; //left display pin...[Details]

1. Design ideas   Start to power the MCU by manual key. Until the power indicator LED4 lights up, the MCU is running, and relay 2 works to power the MCU. By setting the working time of relay 2 by key...[Details]

debug_trig MACRO CPL P1_0 ENDM //Macro definition of PID sampling value, after NZRI encoding, LSB PID_ACK    EQU   02h PID_SETUP  EQU   08h PID_OUT    EQU   0Ah ...[Details]