I am using Android to read and display ID card information. The ID card information has been read, but the name is not displayed correctly. For example, the data is as follows: 6C 9A D7 5F DC 8F 20 00...
I'm working on car charger (27W) and wireless charger (maximum 15W) recently, but I can't pass EMC (radiation and conduction). What bothers me most is that I don't have a good design circuit for the f...
I want to realize continuous AD conversion of two channels, but I don't know DTC. I want to realize it by my own programming, but there is only one AD conversion result, and only the highest channel c...
I have four CC2530s and want to build a star network. I have seen the ZigBee protocol stack for a week and want to make CC2530 a serial port transparent transmission module. One coordinator, three ter...
Integrated stepper motor control + drive function, with StallGuard stall detection function - TMCM-110[/font] [font=宋体][size=12pt]TMCM-110-42 [/size][/font][font=宋体][size=12pt] Intelligent stepper mot...
Using a 220V to 18V transformer, the voltage output of the transformer output (pins 12, 14, 17, 19) is 12V. After passing through the MB6S rectifier, the output voltage of pin 3 of SP1 is 27V, and the...
As a natural human-machine interface, voice can make the in-vehicle navigation system safer and more user-friendly. Through the functional comparison of domestic and foreign in-vehicle navigation s...[Details]
In today's society, heart disease has seriously affected people's life safety. Many patients with sudden heart attacks are threatened because they cannot get timely treatment. Traditional ECG monito...[Details]
The U.S. Food and Drug Administration (FDA) points out that home health care is the fastest growing area in the medical device industry. Driven by the increase in average life expectancy, the increasi...[Details]
Ultrasound systems are among the most sophisticated and complex signal processing instruments in widespread use today. Like any complex instrument, there are many trade-offs to be made in implement...[Details]
Digital-to-analog converters (ADCs) provide the critical conversion of analog signals to digital signals in many systems. They perform amplitude quantization of an analog input signal to a binary fini...[Details]
How can we get the highest performance from an A/D converter? The obvious answer is to use good design and board layout, but there are other techniques that can be used to improve performance. We can ...[Details]
Currently, it is impossible to dynamically obtain patient information in medical monitoring. Once the patient's condition worsens, emergency treatment cannot be implemented in the first place, and the...[Details]
In some warehousing management, manufacturing, meteorological observation, scientific research and daily life, the requirements for temperature and humidity are common. For example, the "Interim Pr...[Details]
In response to a series of problems caused by the backwardness of traditional water meters, the Ministry of Construction of China has proposed the requirement of "three meters per household" for ur...[Details]
Lithium-ion battery is a widely used rechargeable battery. It has the advantages of high single-cell operating voltage, small size, light weight, high energy density, long cycle life, rapid full ch...[Details]
In the field of software development, the most critical but also the most unpredictable phase is the debugging phase. There are many factors that play a role in the process of software debugging, a...[Details]
To ensure the success of China's TD-SCDMA network commercialization, operators and equipment suppliers need to conduct a large number of tests on networked equipment, among which RF testing is...[Details]
In view of the problems in the actual FPGA development process, such as difficulty in locating faults, long compilation time after repeated code modification, and inability to confirm fault solutio...[Details]
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With the rapid development of my country's aviation industry, various new aircraft and control equipment have been successfully developed. Some previous measurement and control eq...[Details]
E6601A is Agilent's new generation of comprehensive tester platform, designed to provide low-cost calibration solutions for mobile phone manufacturers. It uses an open Windows® XP platform, allowi...[Details]