The niece of forum member long521 , a very cute little girl, was just 5 years old. On November 22, 2019, she was diagnosed with acute lymphocytic leukemia at the Children's Hospital Affiliated to Zhej...
I am currently researching an AC/DC solution of around 10W.
I would like to ask all the teachers: How can we achieve the lowest cost?
If it is made in a non-isolated way, will there be any security is...
[align=left][font=微软雅黑][size=3]On May 23, the front page of Nanyang Daily published an article titled "Water hydrogen engine officially rolled off the production line, municipal party secretary praise...
There is a problem that has troubled me for a long time, as shown in the figure above. This is the schematic diagram of the linear thyristor power supply. When the X capacitor is not added, the EMC te...
IntroductionHyperscale data centers need to scale as system demands increase. Ethernet has become the preferred network protocol for server-to-server communications required by hyperscale data centers...
1. Instrument Model Keysight/Agilent E4428C Signal Generator Fault phenomenon Error 210.256.315.514; phase noise is poor. UNLEVEL error Testing process According to the customer's description of ...[Details]
This figure is a schematic diagram of an external interrupt line or external event line. In the figure, there is a slash on the signal line and a note with the word 19 next to it, indicating that the...[Details]
The STM32F103ZET6 comes with 64K bytes of SRAM, which is enough for general applications. However, in some occasions with high memory requirements, the STM32 built-in memory is not enough. For e...[Details]
Octane number measurement complies with: ASTM D 2699-86, ASTM D 2700-86. Diesel cetane number measurement complies with: ASTM D 4737-03, ASTM D 613, EN ISO 5165. The measurement principle is to ana...[Details]
March 3rd is National Ear Care Day, and we’d like to take this opportunity to talk about this topic. On last year's Ear Care Day, the World Health Organization released the World Hearing Report, wh...[Details]
Speech synthesis chip has always been a name that is rarely mentioned. The main reason is that it is used in very small quantities. Some large GPS, e-book devices, etc. require speech synthesis equ...[Details]
ChatGPT-4 got off to a bad start
ChatGPT has been popular for more than half a year. In many people's minds, ChatGPT, who knows everything about astronomy and geography, is already a god-l...[Details]
On December 10, 2019, the mayor of Shenyang, Liaoning Province, as the leader of the Shenyang Electric Power Construction Leading Group, presided over the third Shenyang Electric Power Construction...[Details]
Signal acquisition devices are widely used in machine health diagnostic systems for recording, monitoring and diagnosis. Machine condition data is often collected by non-portable or wired devices. ...[Details]
Taking the PACK field as a breakthrough point, exploring the safety protection of power batteries has become an important path choice for automobile companies. Recently, Great Wall Motors disclosed...[Details]
Recently, National Cheng Kung University in Taiwan and Kunshan University of Science and Technology have collaborated to insert a silicon dioxide/aluminum multilayer structure under the p-electrode o...[Details]
The theme of this CMET2010 China International Medical Electronics Technology Conference is portable and home medical electronics. More than 600 professional audiences and engineers attending the c...[Details]
I. Experimental Purpose
1. Be familiar with the interrupt response process of F2812A through the experiment.
2. Learn to design interrupt programs in C language and use interrupt programs ...[Details]
Since the late 1960s and early 1970s, X-ray fluorescence spectrometers have been roughly divided into two categories: dispersive type using crystal spectrometers and non-dispersive type not using ...[Details]
Auto-coupling step-down starting and soft starting are two common motor starting methods. They each have their own advantages and disadvantages and are suitable for different application scenarios....[Details]
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