The basic principle of true RMS digital voltmeters. Using true RMS (TRMS) digital meters, the RMS voltage of various waveforms can be measured accurately and in real time to meet the needs of modern e...
[i=s]This post was last edited by x1816 on 2016-10-23 21:53[/i] Without further ado, here are the pictures! (The following pictures are all real photos, only reduced in size and other simple processin...
The company recently bought a motherboard as in the title, configuration: 2G memory + 4G SD card. Main frequency 1.6Ghz. We first installed a simplified version of XP, which is obviously a bit overkil...
[i=s]This post was last edited by hjl240 on 2022-5-3 20:21[/i]Preface
About 10 years ago, I saw someone share how to play the bad apple video on the LCD screen using a microcontroller in our EEWORLD f...
Hello everyone:Currently, there are two vacancies available for joining the " Industrial Measurement and Control Terminal DIY" group , one of the projects in the Fujitsu Cortex development board DIY a...
To be honest, Zhou Ligong's TKSTUDIO is really not that good. It's really hard to use and it's a hassle to load and set up programs.
It's very inhumane. If you don't use it for debugging for a while, ...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[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]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[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]
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]
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]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[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]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Analogue and Mixed Signal
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