[i=s]This post was last edited by strong161 on 2017-4-28 22:05[/i] EE's express delivery is still very good. I thought I would not receive the board until after May 1st because I was on a business tri...
[i=s]This post was last edited by xiashuang on 2022-7-19 10:51[/i]Modbus is a commonly used industrial communication protocol. This time, I ported Modbus RTU on HPM, mainly to get familiar with UART a...
I am now pretty good at writing C language. I also learned IBM-PC8086 assembly language. I studied it very hard back then and it is pretty good. I am preparing to switch to driver development under Li...
Generally, there are two types of impedance matching, one is by changing the impedance (lumped-circuit matching), and the other is by adjusting the wavelength of the transmission line (transmission li...
I am using EVC, how do I read the text messages in the SIM card? Does it work by scheduled scanning or what events are triggered when a text message arrives? Can anyone give me some advice?...
Set the spin range to 0-1000 and display as 0.0-100. The processing method is as follows: In OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) strValue.Format(L"%3.1f", (double)nPos/10.0); sp...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]