[i=s]This post was last edited by Arvinˇ on 2018-10-12 10:32[/i] Let me first talk about my situation. I have been transferred to three companies for 8 years since graduation, and I have been a hardwa...
[i=s]This post was last edited by Ablikim on 2019-8-20 11:33[/i]R2 is a simulated load
R7, 8, 9, 10 are voltage divider resistors
The voltage across R1 is about 0.038V
After a while, the op amp heated...
[font=宋体][size=4][color=#333333]I saw such a circuit on the Internet. The title of the post is "[/color][b][size=4][color=#0000ff]A simple question about the working principle of strong pull-up[/color...
There are many PCB design softwares, and the mainstream ones are: Altium Designer, PADS and Allegro . If I want to learn, which one should I start with? Or do I need to learn all of them?Before learni...
[i=s]This post was last edited by freebsder on 2019-3-29 11:41[/i] [align=left][font=宋体][size=5][b]Hardware Architecture[/b][/size][/font][/align][align=left][font=宋体][size=5][b]Overview[/b][/size][/f...
The single-electrode chip has very high requirements for die bonding in the packaging industry. For example, in the LED production process, the quality of die bonding affects the quality of the LED...[Details]
On February 28, one week before the opening of the two sessions, reporters visited Sinopec's energy station to learn about the energy security work done by this energy and chemical company in preparat...[Details]
According to businesskorea, South Korea's largest battery manufacturer LG Chem and China's largest battery manufacturer CATL are competing for the top spot in the global electric vehicle (EV) battery...[Details]
China Energy Storage Network:
As the global energy system continues to innovate in the direction of green and low-carbon, emerging long-term energy storage technologies will become a key co...[Details]
This year, I completed 4 bootloaders during the National Day. I introduced 2 of them before, both of which are USB bootloaders for PIC32MZ. Next, I will introduce 2 USB bootloaders for PIC24. The fir...[Details]
1. What is FFT on an oscilloscope? 2. What problems can FFT on an oscilloscope solve? 3. FFT on an oscilloscope often becomes useless to users. What is the problem? 4. How do we make the spectrum ana...[Details]
The LQFP64 package is a convenient package for designing and soldering circuit boards. When using the STM32F401RBT6, I found a pin VCAP1 that I was not familiar with. After careful verification, ...[Details]
1. Introduction
At present, with the continuous improvement of digital signal processing technology, the progress of single-chip microcomputers, digital signal processors and speech processing...[Details]
In the rectification of switching power supply EMI , the causes and suppression methods of interference in different frequency bands are as follows: Within 1MHZ - mainly differential mode interfere...[Details]
The Ministry of Industry and Information Technology has authorized Zhalian to conduct trials in four cities to verify technical solutions and conduct frequency testing experiments. As a major autom...[Details]
1 Introduction Gas detection system is an essential safety equipment in industrial and mining enterprises, social utilities, environmental protection and other fields. After decades of development, t...[Details]
At present, most of the USB devices used in industry and medicine are connected
to
the microprocessor
using a dedicated USB chip
, especially the USB
data acquisition
system. Accordin...[Details]
According to appleinsider, citing the SRF news website, a mother and son in Switzerland went to Apple stores several times with fake iPhones, claiming that the phones had problems and requesting repl...[Details]
Why can't infrared cameras see clearly at night?
Q: I use an infrared camera, but when I turn on the infrared camera at night, the pictures I take look like wind blowing and things flying ...[Details]
Recently, Wuhan Municipal Bureau of Economics and Information Technology announced the results of the 2024 unicorn enterprise certification. 44 enterprises in the city were selected, of which 31 were ...[Details]
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