Dear experts, I'm studying the USB program of stm32 recently. In the DEMO program usb_endp.c of virtual com port, there is a programvoid SOF_Callback(void){static uint32_t FrameCount = 0;if(bDeviceSta...
[b]See the pictures on page 4[/b] Location: Beihang Table Tennis Hall. Time: To be determined. Bet: Winner gets 2 popsicles, loser gets 1 (sponsored by soso) A little bit arrogant～～～Haha, if you are n...
Since about the 1980s, many industry experts have claimed that analog circuits have reached a dead end and that digital applications will shine in the electronics world, including integrated circuits ...
Currently, Ethernet and Wi-Fi are widely used in the IoT world. The demand for related network applications is increasing year by year. In addition to Ethernet and Wi-Fi, wireless transmission interfa...
I use a single-chip microcomputer to transmit division ratio and other data to a frequency synthesizer. I would like to ask: when the power is off, does the frequency synthesizer save the division rat...
1. What is DTU?
Answer: DTU is the abbreviation of Data Terminal Unit. In a broad sense, during communication, the module units responsible for sending data information at both ends of the data transm...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]
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