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...
Should Samsung launch the Exynos 1000 after the Exynos 990 chip? It seems that there are still variables. The score of the phone believed to be the Galaxy S21 Plus on Geekbench indicates that the nex...[Details]
introduction
---Most of today's
electronic
products, from handheld consumer devices to large telecommunication systems, require the use of multiple
supply
voltage...[Details]
The two circuits introduced here have good performance and are suitable for DIY. The two 100kΩ resistors and two 1600pF capacitors in the figure determine the oscillation frequency of the RC series-p...[Details]
(Shanghai, July 9, 2024)
Today, Nanxin Technology announced the launch of the SC8742B and SC8746, high-efficiency synchronous buck-boost converters with integrated low-side MOSFETs.
Both ne...[Details]
A. Set the multimeter to R×1, and check the on/off status of each winding one by one according to the arrangement rules of the winding pins of the intermediate-frequency transformer, and then determin...[Details]
The ability to resist mains voltage disturbance (Line rejection) is also called audio signal attenuation rate or audio ripple attenuation rate (Audio-su-sceptibility), that is, the output-input (gr...[Details]
China Energy Storage Network News:
Suggestions on establishing a bilateral range price difference contract filing and settlement mechanism
Kaohsiung 1 Tang Yang 1 Liu Yifeng 1 Ye Ze ...[Details]
In fact, Freescale's BSP porting document has described the u-boot porting steps in great detail, but for future reference, I will record them here according to my own understanding. Get the sourc...[Details]
Bipolar symmetrical regulated power supply circuit (LM7812, LM7912)
As shown in the figure, it is a bipolar symmetrical voltage-stabilized power supply circuit. It uses two three-terminal volta...[Details]
There are three famous niche quotes about grounding. One of them is said by the father of SI, "Forget the ground, remember that it is the signal loop"; another is said by one of our ScopeArts, "For me...[Details]
Previously, the outside world speculated from the announcement released by Gree that Gree would give up the mobile phone market, but Gree immediately responded that it would not give up. Gree annou...[Details]
PLC instruction table programming language is a low-level programming language that uses symbols and instructions to control the operation of the program. It is mainly used to write PLC programs to...[Details]
0 Introduction
As a power supply device for electronic equipment, switching power supply has the advantages of small size, light weight, high efficiency, etc., and has been widely used in digital c...[Details]
We have a microcontroller course this semester. I don't know why we have to write programs in assembly language. I feel that assembly programs are really difficult to write, so I recorded the experim...[Details]
introduction
The presentation system has a history of several decades, starting with the original pure optical slide projector. Today, digital projection technology has become mainstr...[Details]
Test/Measurement
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