#include#includemain() {unsigned char i=0x55; SCON=0x10; TI=1; //Send using mode 0 printf("i=0x%x",i); while(1); } The output should be 0x55, but the output in keil is 0x5500, with two extra 00s. I do...
Long-term recruitment of PCB copy engineers
Requirements: 1. Have more than 1 year of experience in copying boards; 2. Have a technical secondary school degree or above, be familiar with electronic co...
Many netizens communicated with me and mentioned that the puzzle diagram in protel99se in my last blog post was too simple. In response to everyone’s request, I revised the operation diagram.
First op...
There are three places with red lines. Why does the first one need to add a square root? I don't think it should be added. Does the second translation of negative rail refer to negative voltage? Is th...
I have made an image and downloaded it to the target board. Why does the soft keyboard pop up automatically once the focus is on the input box, and it keeps showing input 3? Has anyone encountered thi...
The CPU is PXA270. In my BSP, only the IRQ_SSP flag is defined. I don't see any initialization and enable functions related to IRQ_SSP in the OEMInterruptHandler. If I want to use the IRQ_SSP interrup...
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
1. Fully understand the design requirements of all parties and determine the appropriate solution.
When starting a hardware development project, the original driving force will come from many a...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
SL11R is a 16-bit RISC microcontroller with a USB interface produced by Scanlogic. Its core processing speed reaches 48MIPS. It has rich hardware resources and 32-bit programmable I/O ports, and ca...[Details]
Introduction
With the acceleration of China's economic development and urbanization, the amount of sewage in small and medium-sized cities has shown an increasing trend year by year. In order to red...[Details]
1 Introduction
With the development of transmission systems in recent years, multi-motor transmission systems have been widely used in various fields. In order to improve the dynamic performan...[Details]
Abstract: Based on FPGA hardware, the image scaling with fixed magnification is realized. The 2D convolution operation is decomposed into 2 1D convolution operations. The input original image pixel...[Details]