In the RTC working mode of lm3s1138, can only 32.768KHZ signal be input into CCP terminal? I input 2.5k, why can't it count? What I need is to use RTC working mode to record the number of external inp...
How do I set the resolution, refresh rate and IP address of my customized system in PB? For example, the resolution is set to 1024*768, the refresh rate is set to 95Hz, and the IP address is 192.168.0...
Here is a test program: void main() { unsigned char code is[]={0x01,0x01,0x80,0x03}; char j; bit c; j = 0; data unsigned char code *p; p=is; while(*p++) { c=(bit)*p; } while(1); } There was an error i...
Recently, I have been studying intelligent control and digital signal processing! Although I may have learned about modern control when I was in school, I didn’t learn it in depth! Now I find that int...
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
My colleague and I spent the day chatting in the hotel bar. We had met with several customers. We were both wondering how come these engineers we were meeting knew almost nothing about analog techn...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
In the analysis of electronic circuits, static analysis (also known as DC analysis) is the basis of circuit analysis. However, it is well known that electronic components are nonlinear, so the anal...[Details]
RS-422 and RS-485 are both serial data interface standards, which were developed and published by the Electronic Industries Association (EIA). RS-422 defines a balanced communication interface with a ...[Details]
Describe how to meet the challenges of complexity with a modern wiring design toolset. Option codes and expressions can simulate the variables of an automotive project. A full-featured tool suite c...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
This article introduces a high-reliability, high-power automatic water supply device made with 89C2051 single-chip microcomputer, which has phase loss detection, over-temperature detection, over-cu...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
At present, more than 40 fieldbuses have been developed in the world, among which CAN bus is suitable for application in automobile inspection lines because of its unique features such as strong re...[Details]
A stepper motor is a motor that converts electrical pulse signals into linear or angular displacements. However, the control of stepper motors is usually developed in assembly language or C languag...[Details]
1 Principle and composition of micro-range radar
1.1 Ranging method
There are usually three methods for radar ranging: pulse ranging; frequency modulated continuous wave ranging; phase ...[Details]