Theoretically, the amplification factor should be 330 times. When 0.1A current flows through the sampling resistor R5, the output should be around 3.3V. Why is the output always around 4.7V when using...
After the mature smart grid is built, smart meters will have the functions of automatic query and remote meter reading, and can also realize automatic power off. However, at present, domestic smart me...
Considering that many oscilloscope users don't know how to connect their phones to the oscilloscope, I made this video to explain in detail. The video content includes the connection methods of the ST...
[i=s]This post was last edited by qwqwqw2088 on 2021-6-25 09:59[/i]The charger circuit based on the PD protocol can keep the AC/DC part unchanged, but replace the QC protocol controller with a PD cont...
[i=s]This post was last edited by Xiaomeige on 2020-2-6 15:48[/i]/*Functional description:Use the audio codec chip WM8731 on the AC620 development board to complete audio acquisition, storage and play...
2 modes of key detection (low level trigger and high level trigger) 12f509 is the control chip GP5 port is the key detection port key_time_cnt //delay counter key_flag //key flag (key_flag=1 key is v...[Details]
Improved circuit of Sanyo DC-SL mini stereo
I have a Sanyo DC-Sl mini stereo in my bedroom. I have been using it for years. Although it does not have the popular VCD/DVD playback a...[Details]
Beijing Boruspan Precision Machine Tool Co., Ltd. (hereinafter referred to as "Boruspan") has successfully developed the first domestic ultra-precision vertical counter CNC grinder with a diameter of...[Details]
The upcoming October is of great significance to the mobile phone industry. This month, we will not only see Apple’s first 5G mobile phone iPhone 12, but also Huawei’s high-end Mate 40 series. ...[Details]
The first China International Smart Terminal Industry Development Conference kicked off at the Yibin International Convention and Exhibition Center. At the "5G Applications and Industry Trends" forum...[Details]
0 Introduction
In computer measurement, control and signal processing, data acquisition plays a vital role. Data acquisition is an important means of obtaining data. It is the process of auto...[Details]
Jieka
Robot
Reply to inquiries
As
an important sub-segment of
industrial robots
,
collaborative robots
have made great progress with their advantages of flexibility...[Details]
When the microcontroller is operating normally, if the power is suddenly lost for some reason, the data in the data memory (RAM) will be lost. In some applications, such as measurement and control, t...[Details]
Smart cars, which rely heavily on the Internet, are becoming the next high-risk area for cybersecurity. When computers first entered thousands of households in my country, many computer security ex...[Details]
On July 20, 2023, WPG Holdings, a leading international semiconductor component distributor dedicated to the Asia-Pacific market,
announced that its subsidiary U-Shang has launched a GaN power ...[Details]
1 Introduction
The measurement of atmospheric temperature is of great significance. Generally, various thermometers are used for manual measurement and the measurement results are recorde...[Details]
Apple today released a new 10M359 firmware update for the Beats Studio Buds, which were launched in June last year. Previously, the Beats Studio Buds were installed with 9M6599 firmware. It is ...[Details]
According to foreign media reports, Audi recently confirmed at its shareholders meeting that one of its most iconic cars in the past 20 years will undergo an electric transformation. This car is the ...[Details]
On December 9, the "2010 China
Audio and Video
Industry Technology and Application Trend Forum (AVF) and China
Digital TV
Industry Chain Construction Report Conference (DICC)" hosted by ...[Details]
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