The source code is as follows. It can run normally in the simulation environment, but after burning it to the board, it will not boot! #includeunsigned long data1; int bitcnt; bit Power_flag,Key_flag;...
[i=s] This post was last edited by paulhyde on 2014-9-15 09:29 [/i] Could you please tell me how many points the essay in the national electronic competition accounts for? If you know, please tell me,...
#### Scenario 1: Also using UART0, need to change from PF2, PF4 to PE2, PE4 1. Modify `sys_config.fex` (serial port of BOOT0 and Uboot) The path of `sys_config.fex` is `uart_debug_port` in `device/con...
1 GIT software installation and initialization settings
1.1 Software Installation
Double-click " TortoiseGit-1.8.5.0-64bit.msi " to install it. Use all default options.
Double-click " GitExtensions244...
Hello everyone! I am ready to buy an ARM and want to get a 2440 to play with. I have looked at many vendors and I am overwhelmed. Please give me some advice. If you have any boards that you don't use,...
SinoWise's SH66xx series 4-bit microcontrollers have the characteristics of fast speed, low power consumption, simple structure, easy to use, and high cost performance. They are widely used in remo...[Details]
Microelectromechanical systems (MEMS) are gradually entering the consumer, industrial, medical, automotive and computer application markets. Moreover, we cannot ignore their steady progress in the ins...[Details]
Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m~1kHz), audio (20Hz~20kHz), video (20kHz~10MHz), radio fre...[Details]
Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]
Power Integrations (PI) has introduced three charger/adapter reference designs using its new LinkSwitch-II series of AC-DC switching power conversion ICs. The new LinkSwitch-II devices use high-pre...[Details]
Abstract:
An amplifier solution for ceramic speaker systems is presented.
Keywords:
audio; ceramic speaker; amplifier; Class G
Today's portable devices require smaller, thinne...[Details]
With the rapid development of industrialization and urbanization, people's living environment is facing severe challenges due to the environmental damage caused by life and production. As an enviro...[Details]
Intelligent video analysis system is the development direction of monitoring. This technology is not far away from us. The 1,300 channels of the Qinghai-Tibet Railway use video analysis to protect ...[Details]
"Where am I? Where am I going? Where is he/she? How far is he/she from me?..." Do you often have such questions like me? In fact, who can deny that these are questions that we often think about, ev...[Details]
0 Introduction
With the release of the "Elevator Supervision and Inspection Regulations", new requirements have been put forward for the inspection quality of elevators by inspection agenc...[Details]
The dual-field-of-view infrared optical system can simultaneously provide two images with different magnifications and fields of view. The large field of view in the system has a lower resolution a...[Details]
O Introduction
Semiconductor laser (LD) is a solid light source. It has been widely used due to its advantages such as good monochromaticity, small size, light weight, low price and low po...[Details]
For electronic products, especially consumer products, the ultimate challenge of user interface design is how to transform complex user control actions into an intuitive, convenient and productive ...[Details]
Historically, GPS receiver designers have combined simulation and drive testing to determine receiver performance in complex environments. While GPS signal simulation provides a repeatable signal s...[Details]