[i=s] This post was last edited by Five plus one equals six on 2017-1-24 16:49 [/i] As shown in the figure, pins 1 and 2 are the controlled terminals (DC), and pins 3 and 4 are the control terminals (...
As the title says, I use ADC3 to sample PB1 (AIN9) but the result is always 0. There is no problem using other channels with ADC3 (tried 0, 1, 10, 11, 12, 13). There is no problem using ADC1 to sample...
My FIR filtering code#define M 16 /*number of coefficients*/#define N 16 /*number of output samples*/COEFS fir_coefs;/*coefficients structure*/int a[N];/*filter output vector* /int x0[N];short x[M+N-1...
(Open door - identify - swipe card - close door) The mechanical part of opening door and identifying door has been completed, and the program control is missing. We are looking for interested parties ...
I was studying Yang Zongde's "μC/OS-2 Standard Tutorial" and found that there was no CD attached. I hope the master can give me an X86 version of the μC/OS-2 project. If any master has the CD of the b...
[align=left]Makefile is now widely used, thanks to its inclusion in the Unix system. Before the birth of make, the compilation system of the Unix system mainly consisted of "make", "install" shell scr...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[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]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[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]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[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]
Synchronous buck designs are becoming increasingly difficult, and the selection of suitable ICs is becoming quite narrow. This Design Idea combines a current-mode PWM IC used in a flyback regulator...[Details]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]
1 Theoretical Analysis
Ultrasonic waves
When propagating in a suspension, the ultrasonic waves that encounter the suspended particles are scattered and attenuated at the interface, an...[Details]
Introduction
Every year, cars are equipped with more complex electronic systems to maximize comfort, safety, and performance while minimizing harmful emissions. According to market resea...[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]
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