I have four analog inputs, I select four channels, each channel uses single channel multiple conversions, and calls functions to switch between the four channels. My question is: my four analog inputs...
[font=微软雅黑] I have been eyeing this DS2072A oscilloscope from Puyuan for a long time. Since I already have a DS1052E and the discounts on the 2072A are not big, I have never bought one. This time, I f...
[backcolor=rgb(238, 238, 238)][font=Tahoma, Helvetica, SimSun, sans-serif][size=12px]It is no problem to upgrade some simple codes such as LCD, serial port interrupt program, etc., but the FATFS routi...
[size=4][color=#666666][font=verdana, 宋体]《Circuit Fundamentals (3rd Edition)》 is a classic textbook on circuit fundamentals. Since the publication of the first edition, it has received rave reviews an...
[i=s]This post was last edited by WoAiDownload on 2014-7-2 16:47[/i] When it comes to Arduino, everyone will think of the convenient environment for AVR development. Now we have LPC1549, which also ha...
[size=4]Bootload problem. When I was learning 51 before, as long as the program was written and compiled, I could use the burner to burn the *.hex file directly into the microcontroller for operation....
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[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]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[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]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]