[i=s]This post was last edited by hujj on 2020-1-23 13:45[/i]Fortunately, I got the opportunity to evaluate the SHT31 temperature and humidity sensor, which allowed me to understand and use Sensirion'...
Use AT89S series single chip microcomputer to replace AT89C series single chip microcomputerCompared with the AT89C series microcontrollers, the AT89S series microcontrollers have added many new funct...
[align=center]The main target of McQueen's car is primary and secondary school students. It is more convenient to use IPAD for programming, and the drag operation of the software is also easier to use...
[size=14px]I use an external AD to sample 256 points (SIN wave) of a signal, and then do a 256-point fft operation in stm32 to calculate the amplitude and other parameters of the signal. The amplitude...
Some of these boards were made by myself, some were bought by myself, and most were obtained for free or at a discount through forum activities.
This is only a part of it. There is another box that ha...
littleshrimpSpecial Edition for Assessment Centres
When the user application is running, there may be special requirements, which require the implementation of a microcontroller system reset (one of the hot restarts). Since the traditional 8051 micro...[Details]
Heat dissipation is a major factor affecting
the lighting intensity of
LED lamps
. LED lamps are 80% more energy efficient than traditional incandescent lamps, but their
LED
comp...[Details]
I found this information when I was learning PIC a long time ago. It is very helpful for reading and writing SD cards! ! ! Physical picture: The simulation schematic diagram is as follows. Th...[Details]
Bluetooth devices operate in the ISM band, usually on 79 channels between 2.402GHz and 2.48GHz. It uses a digital frequency modulation technique called 0.5BT Gaussian Frequency Shift Keying (GFSK) to ...[Details]
As technology develops and product iterations are getting faster and faster, most electronic products inevitably experience a process of depreciation. However, in the field of smartphones, although A...[Details]
People who read this article: familiar with the basic knowledge of digital circuits (such as adders, counters, RAM, etc.), familiar with basic synchronous circuit design methods, familiar with HDL l...[Details]
Current-sense amplifiers can amplify small differential voltages while rejecting input common-mode voltages, similar to traditional differential amplifiers, but with one key difference: For current...[Details]
Not long ago, Qualcomm and Huawei announced a settlement, and Huawei will pay Qualcomm $1.8 billion in patent licensing fees. There may be more to this than meets the eye. Foreign media recently repo...[Details]
There are more and more news about OnePlus 9, and the latest news comes from @TechDroider, who posted a screenshot of AIDA64 running on one of the devices, exposing some key specifications of the pho...[Details]
As intelligence has become the main theme of the automotive industry, Internet giants and car companies that have recently made plans for automobiles are gearing up for the game, and the game around ...[Details]
introduction In recent years, with the rapid development of power electronic devices and modern control theory, brushless DC motors have been widely used in the fields of optical drives, intel...[Details]
Sweeping the floor can now free our hands to clean the ground environment for us, but this means that the sweeping robot needs to face different cleaning scenarios. For example: oily water in the...[Details]
/*Written by: Wu Haorong
8 keys produce 8 basic sounds.
Can play built-in music, and the music flashes with the lights
All rights reserved. All reproduction prohibited
Author's blog: http://hi....[Details]
With the increasingly widespread application of digital multimedia, video decoding has become an essential element in embedded system design. There are many video standards, and depending on the pr...[Details]
In automotive power systems, damage to DC-DC converters can be caused by a variety of factors. However, one of the main reasons is that the residual voltage of the surge TVS (overvoltage protector)...[Details]
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