Back to the forum again. Tmall Genie, Hey, what's up, master? Turn on the lights in the living room. OK, master, the lights in the living room are on.[img]file:///C:\Users\king\Documents\Tencent Files...
The figure below is a flyback multi-channel output circuit. If both 5V and 3.3V are output normally,
The voltage-dividing resistors R1 and R2 will bias the transistor Q1. If Q3 and Q2 are in the off s...
2.3 Compile the kernel separately, and uboot generates many files. Which one should I use?
answer:
The kernel compiled file is the zImage file in the ~/MYiR-imx-Linux/arch/arm/boot/ directory.
The fil...
I'll attach two pictures first to help you raise doubts.This is the RF signal routing with regular cut corners.The frequencies are all in the LS bandThis is a general arc trace RF signalThe frequencie...
The clock source of the independent watchdog is 40k, and the maximum division factor is 256 //Initialize the independent watchdog for 5 seconds //prer: division number: 0~7 (only the lower 3 bits ar...[Details]
I. Introduction With the rapid development of technology and smart devices, more and more electronic products have emerged, but with them, more and more electromagnetic radiation problems have arisen...[Details]
"Avengers 4: Endgame" is the 22nd and final film in the Marvel Universe series that Marvel started 11 years ago. The film is currently sweeping the box office of theaters around the world. The cast o...[Details]
Introduction Power supply devices, whether DC power supply or AC power supply, must use electronic transformers (soft magnetic electromagnetic components) made of soft magnetic cores. Alt...[Details]
China Energy Storage Network News:
The recently released "14th Five-Year Plan for a Modern Energy System" proposed for the first time the goal of optimizing and adjusting the power structur...[Details]
1 Background In principle, the luminescence phenomenon of semiconductor devices can be roughly divided into three types: photoluminescence, electroluminescence, and cathode ray luminescence. The firs...[Details]
0 Introduction
With the rapid development of the communication industry, people's requirements for various wireless communication tools are getting higher and higher. Low power radiation, ...[Details]
1. Technical Principle of LED Solar Lawn Light
Solar lawn light source and power system design method has developed rapidly in recent years due to the unique advantages of solar lawn lights. L...[Details]
This paper mainly introduces the application of PIC technology in smart home systems and gives the structure of PLC network control system. It describes the design method of control terminal equipment...[Details]
Analysis of SPS.SUB Program in KUKA8.2 System
DEF SPS ()
- Execute the initialization of VW standard files -
VW (#VW_SPS_INIT,TRUE)
- Perform initialization of common user files...[Details]
It is reported that in order to cope with the impact of the epidemic and the tense situation of Sino-US trade in recent days, in addition to planning to move 3 million to 4 million pairs of wireless ...[Details]
In portable electronic products, touch screens have gradually replaced keyboards as a human-computer interaction input device commonly used in embedded computer systems due to their convenience, fl...[Details]
0 Introduction
In the application of DC/DC switching power supply, the external capacitor at the output load can play the role of filtering and suppressing interference. In some devices with l...[Details]
When selected, NOR flash is enabled, and NOR FLASH can be accessed. /common/board_r.c 364 line: initr_flash() flash_size = flash_init(); /drivers/mtd/cfi_flash.c If you want to enable debugging, defi...[Details]
ATmega168 I/O P311 "Register Overview". All I/O and peripherals of the ATmega168 are placed in the I/O space. All I/O addresses can be accessed by the LD/LDS/LDD and ST/STS/STD instructions to trans...[Details]