[table][tr][td][size=9pt]How can I get the signal before modulation of the infrared remote control? I have tried to demodulate the modulated signal using an RC integrator circuit. After a long time of...
DSP28335 has 12 16-bit ePWMs, which can control frequency and duty cycle. The clock of ePWM TBCLK = SYSCLKOUT / (HSPCLKDIV × CLKDIV):The PWM signal frequency is determined by the time base period regi...
The external interrupt is occupied by other applications. I want to use the falling edge to trigger. When the timer counts the external pulse, should it detect the falling edge or the rising edge?...
In the mobile power USB load automatic detection circuit, the B pole of the transistor is connected to the GND pin of the USB interface, and the C pole is connected to the MCU IO pin. When the USB cha...
[align=center][size=5][font=宋体]Recommendation of Classic Materials on Software Testing (Thirteen)[/font][font=Times New Roman]---[/font][/size][font=Helvetica, Tahoma, Arial, sans-serif][size=5][color...
I have made two new boards. Since they are still in the experimental stage, I am eager to put them into production. So many problems have been exposed, especially the problem of loud motor noise. What...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[Details]
At present, single-chip microcomputers have been widely used in home appliances, medical treatment, instrumentation, industrial automation, aerospace and other fields. The more popular types of sin...[Details]
Hollysys' LM series PLC products fully consider the difficulties in integrating machines, equipment and subsystems in large control systems, and provide a variety of open communication protocols and i...[Details]
Introduction
Zero-IF receivers are not new; they have been in use for some time, with cellular handsets being a key application area. However, their use in high-performance receivers such as...[Details]
According to a survey by the International Energy Agency, Asia and Australia used 1.65 trillion liters of oil for energy in 2004. The survey also showed that since 1990, the demand for oil has been...[Details]
0 Introduction
The traditional measurement method of measuring gravity acceleration by a simple pendulum in university physics experiments generally uses a mechanical stopwatch for manual timing and...[Details]
In the industrial production process, flow measurement is a widely used measurement physical quantity. In special cases, such as vertical oil wells, when it is not easy to install probes outside the p...[Details]
Semiconductor devices used in high-end computing (advanced microprocessors) and consumer electronics (graphics and gaming chipsets) devices generally provide data rates up to 6.4Gbps through high-s...[Details]
With the development of my country's economy, environmental pollution caused by energy consumption is becoming more and more serious. Sulfur dioxide and nitrogen oxides emitted from coal-fired flue...[Details]
UPS is an uninterruptible power supply (UPS). This device can ensure that after a power outage in the computer system, users can continue to work for a period of time and save files urgently, witho...[Details]