This is the first time for a novice to draw a 4-layer PCB board. At present, I have preliminarily understood the difference between plane and layer. However, I have seen that in the multi-layer boards...
[font=微软雅黑][b][size=4]The story of upstream manufacturers NXP and FSL is already eye-catching enough[/size][/b] [b][size=4]I saw a more amazing merger yesterday[/size][/b] [b][size=4]I feel it is nece...
[size=4]The driver program of GY-273 driven by msp430 single-chip microcomputer can accurately measure the azimuth, and some statements are explained in detail, which is suitable for novices[/size] [s...
The Isolated CAN Module with Integrated Power Reference Design provides a compact solution to generate isolated DC power while supporting isolated CAN communication. This design includes a reinforced ...
Dear brother, when I was debugging a circuit board, after the AD9824 configured the internal registers through the SPI interface, there was output without input. What is going on? I have been struggli...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:59[/i] Institutional data show that the global e-reader market reached 3.5 million units in 2009, a surge of 400%, and the compound gro...
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 early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[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]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
With the development and application of liquid crystal display technology, more and more developers want to use liquid crystal screens to display Chinese characters in the instruments and equipment th...[Details]
1. Introduction
Due to the good programmability and superior performance of FPGA, the number of embedded systems using FPGA chips in LCD splicing screens is increasing rapidly, especially in t...[Details]
PCB Design
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