The isd1420 voice chip can be programmed to achieve segmented recording and playback, loop playback and other functions. I programmed it today, but only achieved the segmented recording function. How ...
[align=left] For the amplitude-frequency response of the filter, the frequency range of the signal that can pass is usually defined as the passband, and the frequency range of the signal that is block...
After installing the J-LINK driver, I opened Keil and started debugging. After the following prompt appeared, it closed automatically. What is the problem? [[i] This post was last edited by dongsy2012...
[font=宋体][size=12pt][b]The data acquisition system of the experimental bench, see if there is any problem in the following program? ??? ??? ??? [/b][/size][/font][font=宋体][size=12pt][b]Figure 1 is the...
The core of a machine vision system is image acquisition and processing. All information comes from images, and image quality is crucial to the entire vision system. A good image can improve the st...[Details]
As the number of cars increases, environmental pressures are also increasing. At this time, some people are saying that new energy vehicles are energy-efficient and environmentally friendly, and ar...[Details]
Introduction to the principles of speech recognition technology
Automatic speech recognition (ASR) technology aims to enable computers to understand human speech and extract the textual inform...[Details]
1 Source of creativity
With the further development of electronic technology, electronic pets have gradually entered people's family life. At present, there are two main categories of relative...[Details]
Have you ever heard stories about "crazy appliances"? Think of microwaves that turn on automatically or ovens that preheat without any human input? With radios and electromagnetic interfaces ubiqui...[Details]
With the development of science, the use of variable frequency technology is becoming more and more widespread, and it is used in both industrial equipment and household appliances. Inverter air co...[Details]
Electric vehicles are now widespread, but they've brought with them a host of problems, the most prominent of which is charging. Small electric vehicles (EVs) are a new form of transportation in a ...[Details]
In the field of intelligent driving, regulations are becoming increasingly stringent, and the technical threshold continues to rise. Especially after the traffic accident in March 2025, the Ministr...[Details]
In daily life, when we purchase a transformer, we are faced with the installation and wiring procedures. Generally speaking, large transformers such as power transformers are equipped with speciali...[Details]
We often hear about the precautions for using pure electric vehicles in winter, and many owners even develop relevant strategies, such as adopting a "charge as you go" principle for their vehicles,...[Details]
Electric vehicles are composed of three main components: electric motors, electric motors, and electric vehicles. Maintenance is much simpler than for gasoline-powered vehicles. Maintenance for ele...[Details]
Common Mode Semiconductor has officially launched the GM6503 series—a 5 V, 3 A synchronous step-down DC/DC power module designed for optical communications, servers, industrial applications, and FP...[Details]
Most cameras on the market use chips manufactured by Japanese companies like Sony, Sharp, Panasonic, and LG. South Korea now has the capability to produce chips, but the quality is somewhat inferio...[Details]
Generally not, but there are exceptions. For example, a torque motor controller with three-phase output voltage imbalance can cause current imbalance, similar to a phase loss. However, only two pha...[Details]
ESD protection diodes are specialized for small-signal ESD protection or surge protection TVS arrays, often used for multi-circuit protection. Their small package size, low on-state voltage, high i...[Details]