I made a self-made optocoupler screen clicker, using ne555 pulse module, adjustable frequency duty cycle, and 817c for optocoupler. There is no problem with the circuit and wiring, but no matter wheth...
Driven by the demand for video surveillance, with the advancement of safe cities, the relevant industry application market is developing rapidly. In addition to traditional financial industry applicat...
Use lpcxpress to compile the program as follows.
#include "LPC11xx.h"int main(void){ SystemInit(); unsigned char aaa[1000]; unsigned long p;#define BAUDRATE 115200NVIC_DisableIRQ(UART_IRQn); LPC_IOCON...
1. When multiple clock signals of different frequencies are required in the system, programmable clock chip is preferred;2. When a single clock signal is used, a crystal clock circuit is selected;3. W...
[i=s]This post was last edited by MianQi on 2021-7-13 15:32[/i]At first, the platform was Ubuntu 20.04 and the IDE was CCS. The homepage of CCS was like this:However, this IDE alone is not enough, you...
Medical and industrial applications often require isolation voltages of 2500Vac or higher for patient and equipment operator safety. The isolation barrier must not only transmit power to the sensin...[Details]
In view of the problems in the actual FPGA development process, such as difficulty in locating faults, long compilation time after repeated code modification, and inability to confirm fault solutio...[Details]
Some application designs have higher requirements on the speed at which the system's switching power supply can provide voltage output. Figure
1
shows
the
bootstrap
...[Details]
1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
Abstract: This paper introduces the origin and new features of MP4, and introduces the core audio compression technology MPEG-2 AAC (Advanced Audio Coding) based on MP4. Finally, it briefly summari...[Details]
IPTV (Internet Protocol TV or Interactive Personal TV), also known as interactive network television, is a new technology that uses broadband network infrastructure, takes home televisions or comp...[Details]
Multiple Input and Multiple Output (MIMO) technology is arguably the next most important development in wireless communication technology since the advent of digital communications. Many new wir...[Details]
Lifting wavelet transform not only has the advantages of traditional wavelet multi-resolution, but also simplifies the operation and is easy to implement in hardware. Therefore, it is widely used in d...[Details]
0Introduction
Microactuators, as driving components of microelectromechanical systems (MEMS), have been widely studied. In recent years, actuators made of hard magnetic and soft magnetic m...[Details]
CVC5.0 (CSR recently announced the fifth generation of clear voice capture technology) is the only solution on the market that provides advanced audio enhancement and noise suppression to both the ...[Details]
1 Introduction
Digital video is the use of video capture devices such as cameras to collect external image information and digitize the image information, and then record it to storage med...[Details]
The growing global interest in green power has added new variables to the design of power supplies and power adapters. Designers must not only traditionally consider the design specifications requi...[Details]
The relationship between time and frequency
There is no conceptual difficulty in understanding what happens when a steady-state DC signal is applied to a voltmeter. However, if the signal ...[Details]
1 AD7674 and C8051060 Introduction
1.1 AD7674 Introduction
AD7674 is a high-precision 18-bit successive approximation (SAR) ADC with high sampling rate, high precision, low power ...[Details]
Preface
In people's daily life and work, the amount of electricity consumed by computers is very considerable, so the industry pays great attention to energy saving and consumption reduct...[Details]
DIY/Open Source Hardware
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