The figure shows the related voltage pulse experiment. It can be seen that in the 12V system, the highest US reaches -150V. So when we choose the input filter capacitor, should we choose the one with ...
LPWA currently includes a variety of technologies, such as LoRa, Sigfox, Weightless and NB-IoT, among which LoRa has entered China since 2013. It is expected that the shipment volume of Semtech's SX12...
Since udelay is an infinite loop, will the processor interrupt interrupt the udelay function to handle the interrupt, and then handle the high-priority task after the interrupt exits?...
Questions: The default SRAM size of AT32F403, AT32F403A, AT32F407 is 96KB, which can be modified to 224KB. The default SRAM size of AT32F413 is 32KB, which can be modified to 16KB or 64KB. How to modi...
There are many styles of coffee machines on the market with different functions. Whether for home or commercial use, they are inseparable from the "smart brain" of home appliances - the microcontro...[Details]
On the 10th, the reporter learned from the School of Metallurgy and Energy Engineering of Kunming University of Science and Technology that the team of Professor Hua Yixin of the school has made im...[Details]
As a common accessory in cars, the car charger plays the role of a backup power supply, which can power mobile devices by converting the 12V or 24V car level into a 5V USB output.
When d...[Details]
1. Stator winding
1. Measure the insulation resistance and absorption ratio of the winding
1) Methods and steps
After powering off the motor and taking safety measures, open the junc...[Details]
Dynamic speaker structure
A dynamic speaker is a common type of speaker, which is usually used to amplify and play low-frequency audio. The following is the composition of a dynamic speaker:
...[Details]
Industry Background
With the expansion of rail transit operation scale, traditional manual inspection methods can no longer meet the increasingly strong maintenance requirements. Long-dist...[Details]
The super unmanned automobile factory is here!
Currently, humanoid
robots
are gradually moving from science fiction movies into real life, showing great potential in the field of i...[Details]
Background of birth
Many people say that the speed of flexible feeding is not fast enough. In fact, the application scenarios of flexible automatic feeding and traditional feeding are differen...[Details]
In recent years, the focus of LiDAR
manufacturers
has been on vehicle-mounted forward long-range LiDARs.
The 360°
mechanical
rotating LiDARs that were once
widely used in
L4
auton...[Details]
As cars develop towards software-defined cars and smart cars, OTA (Over The Air) technology is increasingly being used in cars. OTA technology can enable remote wireless upgrades of car software, b...[Details]
One of the most challenging parts of any automation project is getting all the devices to talk to each other. As many people know, trying to get two devices from two different manufacturers to comm...[Details]
When porting QT4.5 to mini2440, I encountered the problem of displaying Chinese in QT. Based on the information searched on the Internet, the solution is summarized as follows:
Step 1: Dow...[Details]
At the beginning of 2024,
the robot
industry has received a lot of billion-level investments. After experiencing the first year of AI and humanoid robots in 2023, VCs hope that 2024 will be...[Details]
Electrical knowledge - SIMATICS7-1500 electric control motor, two-site control motor start and stop
1. Design of motor inching control
Generally, PLC is not used to implement jog control ...[Details]
There is no easy-to-use IDE like keli under Linux to develop the 51 microcontroller. The development environment can only be built by yourself. Step 1: Install cross-compilation tools a) Install SDC...[Details]
PCB Design
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