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Ultrasonic transmitter and receiver split ruler (GPS/BDS chip PPS signal is used as time synchronization, the synchronization error is about ten microseconds)
This is a self-made project that I have p...
Today, MicroPython officially released the pyb D series development board and started selling it in the official store. The matching baseboard and expansion board are also on sale. The new pyb D serie...
Regarding the directional positioning of Bluetooth 5.1, I have looked online and found that there are basically no in-depth articles. Most of them are just superficial introductions. I feel that this ...
Original article by Mr. High Speed | Huang GangIf you are asked to evaluate the crosstalk of high-speed serial signals, you will say that their crosstalk is below -40db and has no effect. But if you a...
I used ap4 to generate code, and then created a new project with cs+ for ca. After adding the c file, I set the device configuration in Link Options according to the content in the r_option_ca.txt fil...
1. Hazards of unbalanced three-phase load
(1) Unbalanced three-phase load affects the operating output of the equipment. The capacity design of the generator equipment is determined accord...[Details]
Abstract: Using EPP mode parallel port communication, a dual-channel programmable signal source that can simultaneously output digital and analog signals is implemented; a CPLD is used to implem...[Details]
The detection system performs real-time recognition and processing of the input spatial transient optical radiation signal, inversely estimates the energy of the spatial transient signal and reports ...[Details]
The 11th Green Auto Decision Makers Summit was held in Beijing. Professor Chen Quanshi of Tsinghua University gave an important speech on the development of low-speed electric vehicles. Professor Che...[Details]
RS485 bus, like CAN bus, is a serial bus and is also widely used between industrial equipment. Because the electromagnetic environment at industrial sites is complex and there are many interference...[Details]
In the summer, there will always be a group of people in the office who are dying of heat, while another group of people seem to be in winter. My wife, who sits diagonally opposite me, is typing a...[Details]
To the Development and Reform Commissions of all cities, provincial power companies, provincial energy groups, Zhejiang branches of all central power generation groups, and all relevant units and e...[Details]
Structure of Figure 1 To check the insulation of motors, electrical appliances and circuits and to measure high-value resistance, megohmmeters are often used. A megohmmeter is an instrument that use...[Details]
The long-rumored "Baidu and Geely joining forces to build cars" has finally been settled today! On January 11, 2021, Baidu, as the world's leading artificial intelligence platform company, announce...[Details]
0 Introduction With the increasing prominence of global issues such as environmental pollution and energy crisis, low-emission, energy-saving and economical vehicles such as alternative fuel vehicle...[Details]
(Image source: University of Delaware) Scientists around the world are racing to develop self-driving cars, but some key technologies are yet to be perfected. One is positioning, which is the ab...[Details]
On September 23, the Wall Street Journal reported yesterday that both TSMC and Samsung Electronics have explored the possibility of building large-scale wafer factories in the United Arab Emirates....[Details]
With the continuous development of semiconductor technology, the rate of digital signals is getting higher and higher, and high-speed signals above Gbps can be seen everywhere. Faced with the new fiel...[Details]
Constant voltage drive circuit
Constant voltage drive circuit
This is a constant voltage drive circuit, which uses a voltage stabilizing diode ZD1 (8.6V) to protect the constant drive sign...[Details]