[i=s]This post was last edited by liaoyuanhong on 2015-9-26 02:15[/i] Good evening, everyone. First of all, I wish you a happy Mid-Autumn Festival. Last time I learned how to light up the LED. So, wha...
Question: I use the firmware library to program in stm32f103 to make the TIM3 of the general timer output four PWM waves. I want to use the button to adjust the duty cycle of PWM when the program is e...
I am working on a project recently and need to use LM3S811+ENC28J60 network module. The driver of ENC28J60 refers to the STM32 driver on the Internet. When the program is running , it can read that th...
In fact, LED driver design is not an easy task. Here is a summary of some experiences in LED driver design. [/color][/font][/backcolor][/color][/align][align=left][color=rgb(17, 17, 17)][backcolor=rgb...
Author: Ren Mingyan, Hu Hai, Sun Jinying Date: 2007-2-1 In medical examinations, the analysis and determination of various hormone levels and their trace metabolites, drugs and metabolites, vitamins...
In the past two days, I used EKK-LM3S8962 to download the program to the CAN board, and it always shows **ERROR**: Unable to initialize target! How can I solve it? ? ?
I used LM Flash Programmer to bu...
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[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]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[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]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]