I designed an AC127-DC15V switching power supply with TL3842, but it only outputs 1.5A current. However, 10 out of 30 units produced now have voltage output, output voltage sag or output flicker when ...
What's wrong with my program? After debugging for a long time, the garbled code #include is displayed.
#include
#define uchar unsigned char #define uint unsigned int sbit lcden=P3^4; sbit lcdrs=P3^5; ...
The proliferation of microcontrollers and vehicle networking is continuing today and in the future as applications continue to expand. The microcontroller is the "brain" of the various electronic cont...
I am a super newbie. Does Win CE system have a login interface? I also want to add fingerprint verification function. How can I do it? In addition, does the system have a standby function? Is it the s...
Wang Xiaochuan, the "Wudaokou Goalkeeper", is going through a level that he has never gone through before. For example, Sogou's (NYSE: SOGO) financial report, artificial intelligence, and the futur...[Details]
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
In the past few days, the Chinese display panel giant
BOE
has been flooded with articles supported by Liu Shuwei. Let's follow the embedded editor to learn about the relevant content.
...[Details]
Unique device identifiers are suitable for: ● Used as a serial number (e.g. USB string serial number or other terminal applications) ● Use the unique ID as a security key when used in conjunction wit...[Details]
Recently, the " ZTE
incident"
caused by the Sino-US trade war
has caused heated discussions in the electronics industry. It not only reflects that Chinese companies are lagging behind in the...[Details]
In Windows environment, the source code is encoded in UTF-8. If the source file created by STM32CubeMX contains Chinese comments, then using STM32CubeMX to regenerate the source code will cause the C...[Details]
LAN8720 configuration: IP: 192.168.192.30 Gateway: 192.168.192.1 A high frequency of ARP packets is detected The content of the packet asks for the mac address of 192.168.192.1, and asks the resp...[Details]
1. Basic Concepts of LCD/LCM The structure of Liquid Crystal Display (LCD) is to place liquid crystals between two parallel pieces of glass. There are many vertical and horizontal fine wires between...[Details]
Security PPP is a new model of urban video surveillance projects: 1) The government and social capital establish a project company in a certain proportion; 2) The project company participates in the ...[Details]
This program uses the eight-channel ADC single acquisition mode. According to the configuration, ADC12SC will automatically reset after the conversion is completed in the single mode, so it is necess...[Details]
WPG Holdings announced that its subsidiary Youshang has launched a wireless smoke alarm solution based on STM and Semtech . With the development of the national economy and the enhancement of...[Details]
The STM32 watchdog has two WWDG and IWDG. The biggest difference between the two is that IWDG has only one lower limit for feeding, while WWDG, as the name implies, must be fed within a range to ensu...[Details]
The independent watchdog of STM32 is driven by a dedicated internal 40Khz low-speed clock, that is, it is still effective even if the main clock fails. Here we need to note that the clock of the inde...[Details]
1. Function and purpose There are two pins BOOT0 and BOOT1 on each STM32 chip. The level status of these two pins when the chip is reset determines which area the program starts from after th...[Details]
1. Common knowledge about DMA. 1. Function: to achieve high-speed data transmission between chips. That is, it can achieve data transmission without occupying the CPU. 2. Mode: There are three tran...[Details]
Embedded System
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