I use the if statement to operate six IO ports according to the input of three signals. Why are there no outputs on two of them (F2 and F3)? The input is D0 D1 B4, and the output is F0-F5. void Config...
A brief talk on standing wave ratio Voltage Standing Wave Ratio ( VSWR ) is the most commonly used parameter in RF technology to measure whether the matching between components is good. When amateur ...
As shown in the picture, this is a set of special programs to scan the four keys circled in red. I don't know what went wrong with the program. There is no response after pressing the keys. Can any ex...
Create event: createEvent is the function that starts in sleep state m_hCommandCompleted = CreateEvent(NULL, FALSE, FALSE, NULL); Waiting function: WaitForSingleObject() If WaitForSingleObject(m_hComm...
PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[Details]
Is electromagnetic radiation from electric vehicles harmful to the human body? Recently, the issue of electromagnetic radiation from electric vehicles has garnered widespread attention. However, pu...[Details]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[Details]
With the rapid adoption of smart electric vehicles, automotive chips are evolving from auxiliary control units to the foundation of the entire vehicle's intelligence. Their applications extend from...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[Details]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[Details]
Shenzhen Baowei Power Supply high frequency pure sine wave power, communication inverter power supply has two communication interfaces, RS232 and R485 interfaces, their functions and characteristic...[Details]
In this final installment of a five-part blog series, I will discuss noise in op amps driving headphone loads and some techniques for reducing it. Previous posts have discussed headphone load power...[Details]
As the power density of modern electronic systems continues to increase, effective thermal management has become critical to ensuring system performance, reliability, and longevity—especially in hi...[Details]
The intelligent
dust monitoring system intelligently monitors dust concentrations at and around construction sites. All concentration values are transmitted to a cloud server for
cloud co...[Details]
The primary control objective in this case is the display and alarming of data parameters on the Xinheng control scale instrument. The system's main PLC uses a Siemens CPU, and data is collected vi...[Details]
Bearing wear is a common equipment problem in the manufacturing industry. In today's world where controlling production costs is advocated, using repair technology to reduce the scrapping and repla...[Details]
No one expected that after about a day of downtime, four or five thermostats on the control panel would display four 0000s and flash. We knew it was caused by poor contact of the temperature sensin...[Details]
introduction
Commercial air conditioner PCBs involve both high-voltage and low-voltage power. The power supply for commercial air conditioners often passes through the controller. This forces ...[Details]
1. Basic structure and working principle of centrifugal pump
1. Centrifugal pump water pump relies on the high-speed rotation of the impeller to make the fluid obtain greater kinetic energy, a...[Details]
DSP and ARM Processors
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