Dear seniors, I am designing a circuit to detect the current. The measurement range is about 10k~200M, and the current is mA level, about 100mA. I would like to ask, how should such a current signal b...
[i=s] This post was last edited by Bai Ding on 2018-10-19 20:36 [/i] [align=left][font=宋体]This LED toy uses an accelerometer to obtain acceleration, calculate position and acceleration, and display sa...
[i=s]This post was last edited by Walkline on 2021-9-5 00:10[/i]MicroPython New FontLib### Project Introduction Use `MicroPython development board` to read and display custom fonts### Get the complete...
When testing LWIP UDP (STM32H750/STM32H743) receiving 5913 and above, it enters the HardFault_Handler crash state in about 5 seconds. Has anyone encountered a similar problem?...
As traditional cars are developing rapidly towards green environmental protection, intelligent driving, and interconnection, a large number of electronic components with various functions are widely u...
Testing the dynamic parameters of power devices is an important part of the work of device R&D engineers and power engineers. The test results are used to verify, evaluate, and compare the dynamic ...[Details]
办电环节分别压减至4个和3个以内；5项复杂业务“最多跑一次”，16项简单业务“一次都不跑”；82家市县供电公司已经进驻当地政务服务大厅，并实行“一站式”服务；推动全省企业用电成本显著下降……
"Access to electricity" is an important indicator for measuring a region's business environment....[Details]
AVR commonly used library functions
1. Character Type Functions
2. Standard C Input/Output Functions
3. Standard Library Functions – Standard library and memory allocation functions
4. Mathem...[Details]
We are more confident in becoming stronger and better
On November 1, General Secretary Xi Jinping presided over a symposium on private enterprises and delivered an important speech, fully ...[Details]
91Mobiles reported that a new Samsung phone called Samsung Galaxy A51s appeared on Geekbench with model number SM-A516V, and some parameters and specifications were also exposed. It is repo...[Details]
China Energy Storage Network News:
On November 30, 2021, the Ministry of Industry and Information Technology announced the "14th Five-Year Plan for the Development of the Big Data Industry"...[Details]
Basic knowledge of PLC programming
The basic knowledge of PLC programming includes the following aspects:
1. Understand the working principle and structure of PLC: PLC is a special comput...[Details]
SSDs are going to be dirt cheap. For a long time, the price of SSDs has been declining continuously, with a huge drop. However, the more the price drops, the fewer people buy them. It seems that th...[Details]
The popularity of charging stations affects consumers' willingness to buy electric vehicles. Recently, a German startup brand launched a new electric car with practical space and functionality for ca...[Details]
The CD information used by micro2440 is as follows: Laptop system: fedora 13 (compile kernel, configure cross-compilation environment, see manual for details) Desktop system: Windows XP 1. In f...[Details]
Hardware composition: single chip microcomputer + minimum system + digital tube display module + 74HC573 digital tube driver module + temperature acquisition module + fan driver module + button modul...[Details]
Recently, the well-known whistleblower evleaks uploaded the official renderings of Huawei Mate 30 and Huawei Mate 30 Lite. As you can see, Huawei Mate 30 adopts a straight screen design with a smal...[Details]
Capacitors
are a major component used in almost all electrical equipment. Leakage resistance is
one of the many electrical characteristics that
capacitors
are tested for. Leakage resistan...[Details]
Smart readers must have guessed the principle and purpose of the isolator by now! Let's take a look at the circuit diagram of the isolator application to further analyze its principle: The circuit ...[Details]
Many Chinese infrastructure and operations (I&O) leaders hope to use automation technology to simplify and speed up the configuration, management and expansion of IT infrastructure resources when...[Details]
Test/Measurement
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