Does the interrupt service function name written by STM32 have to be the same as the interrupt service function name preset in the startup file? If not, what will happen? When PB6 generates a falling ...
[i=s]This post was last edited by qwqwqw2088 on 2019-9-6 08:43[/i]High switching frequency is a major factor driving size reduction in power conversion technology. Electromagnetic interference (EMI) f...
A 1V AC signal is connected to a 1Ω resistor and a 1Ω capacitor. What is the AC voltage across the capacitor? I have shared this question with many engineers over the years. The most common response ...
Unboxing
The Xingkong board is an open source hardware developed with Python, integrating LCD, WiFi, Bluetooth, multiple common sensors and rich expansion interfaces. It supports Linux operating syste...
I wonder if you have noticed that most PCB boards are green, while other colors are rare. Why is this? Some people say that black PCB boards represent high-end, is this true? First of all, let's take ...
After the button cell is assembled and formed, let it stand for 6 hours before the charge and discharge experiment can be carried out. The battery is charged and discharged in a constant current mo...[Details]
Recently, at the request of a friend, I studied the simulation under QEMU MINI2440. I thought this process was nothing, but I found a lot of problems in this study. I wrote it down to share with ...[Details]
This article mainly discusses the method of quantitative analysis of the availability of power supply system, and makes quantitative analysis and calculation for several typical power supply sche...[Details]
Brief steps for normal use of oscilloscope: (The first 3 steps must be done and the last step is optional, referred to as 3+1)
(Summary: First zero adjustment, second amplitude adjustment, third time...[Details]
Wi-Fi®, Bluetooth® and Bluetooth Smart connectivity solutions remove barriers to entry for IoT application development.
CSR has announced details of several upcoming connectivity solutions ...[Details]
At the beginning of mobile communications, the dream of 2G was any time, any place, any people, any call. This dream has become a reality in the 4G era. In the 5G era, people will get more novel visu...[Details]
0 Introduction As an important part of the vehicle, the electrical system is responsible for power supply, vehicle starting, body protection, important parameter information indication, and lighting...[Details]
According to Reuters, Toyota Motor announced that it would reduce its global automobile production target by 150,000 vehicles to 750,000 vehicles in April due to the shortage of semiconductors and th...[Details]
The application circuit for realizing 2n times positive voltage output by cascading method is shown in FIG5 .
In the circuit of Figure 5, when the switch k is set to "1", the output voltage v...[Details]
The Honor V40, the first model after the new Honor's independence, has now officially passed the network access review and telecommunications filing of the Ministry of Industry and Information ...[Details]
In modern industrial production equipment, there are a large number of digital and analog control devices, such as the start and stop of motors, the opening and closing of solenoid valves, the coun...[Details]
Due to oversupply, the low price of polysilicon has caused downstream manufacturers to lack enthusiasm for improving the conversion efficiency per watt. Experts believe that in the long run, this is n...[Details]
According to foreign media reports, the demand for high-performance energy storage systems from emerging technologies such as electric vehicles and artificial intelligence is growing, which has prom...[Details]
Test products: Car audio and video monitoring board and 24V power board
Leimao laboratory temperature and humidity: 26 degrees, 61%
Test standards: static electricity, surge, load d...[Details]
Analog electronics
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