Let me talk about the problem first... It's the problem in the matrix inversion scanning function... The source function is as follows... unsigned char KeyScan(void) //Keyboard scanning function, usin...
The project requires that the routing and terminal nodes be selected by the program. Can zstack support this function?
By modifying the code, in routing mode, debugging found that the program cannot e...
The efficiency curve of the BUCK buck board (36V, 48V, 60V to 12V 15A) using ON Semiconductor's (actually it has nothing to do with ON Semiconductor, other companies are also fine) UC3843 is measured....
I want to use the video surveillance client on a smartphone. Now I can implement functions such as video browsing and recording on the server and client side under ordinary WinForm (C#.Net); but when ...
[Attention] 25 most malicious virus websites, do not click to browse! Nowadays, there are too many malicious websites. If you are not careful, you will be infected. The editor has tried his best to co...
"Originally, there are many people who can design very good
chips
, but the market does not give domestic
chips
the opportunity to iterate, and domestic companies cannot give engine...[Details]
China Energy Storage Network News:
According to reports, in order to reduce carbon emissions, a group of Japanese technology and energy companies are launching a pilot project that aims to al...[Details]
Regarding the PHY construction of LWIP, the PHY chip used is LAN8720A, RMII mode. Regarding the hardware connection part, the Atomic board F407 is used, and the hardware connection is as follows: ...[Details]
background After the hardware engineer completed the PCB and schematic design, the routine was modified according to the tutorial of Zhengdian Atom to verify the correctness of the hardware. STM32F...[Details]
There has been a lot of news about Huawei
phones
recently
. At the
Huawei
Global Analyst Conference
on the 17th
,
Huawei
announced that it will launch
5G
phones
in the seco...[Details]
From small households to large enterprises, energy consumption has always been a concern for everyone. The energy consumption of Chinese enterprises has always been high, and the country has also wor...[Details]
In 2018, the National Development and Reform Commission issued a new photovoltaic subsidy policy. The benchmark on-grid electricity price was significantly reduced, the return on investment decreased,...[Details]
Why does MCU have a watchdog? With this question, let's learn about watchdogs. Even the 51 single-chip microcomputer has a watchdog, which shows that this dog has a special meaning to us. The purpose...[Details]
OSC_IN and OSC_OUT are external crystal pins by default. If you do not use an external crystal oscillator on the STM32, how to connect OSC_IN and OSC_OUT If you use the internal RC oscillator instead...[Details]
1) ADC multi-channel acquisition: (Multi-channel acquisition must use scanning mode. In scanning mode, the channels of the rule group share a register, so DMA transmission must be used; to prevent da...[Details]
1. What is PWM What is PWM? Professionally speaking, it is pulse width modulation. In layman's terms, it is the continuous output of high and low levels. For example, the microcontroller outputs...[Details]
The STC12C5412AD microcontroller is an enhanced 8051 standard 51 series microcontroller. It is 12 times faster than the ordinary 8051 and can be programmed on a home computer without an emulator. ...[Details]
An example of Samsung S3C/S3P/S3F9XXX series MCU implementing table lookup operation ; to implement table lookup operation, you must first define the table address, there are two ways t...[Details]
51mcu
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