Are the rules for posting and replying on mobile and PC different? Following the same rules, it seems that there is no prestige value on the mobile, only point value?...
I want to make a circuit to measure an AC current below 10A through a single-chip microcomputer. I think that I can get a current of 5mA to 10mA through a through-core current transformer, then rectif...
Dear experts, please give me some advice. I plan to use sqlce database on embedded devices. Do I need to install sqlce on the embedded device and create a corresponding database on the device? But I a...
1. Do the three VDD (DCDC) (3V3) pins of LPC2366 have to be connected to 3.3V power supply? Zhou Ligong's data says that these three pins can be left floating if not used. . . But when these three pin...
In 2017, I learned how to wire a DDR3 high-speed line for a project and completed a PFC design project. I didn't study much. Things I need to focus on in 2018: 1. Self-management ability; 2. Financial...
[i=s] This post was last edited by qwqwqw2088 on 2014-5-15 11:01 [/i] [size=5] There are many types of rechargeable batteries on the market. For example, the capacity of No. 5 battery is 500mAh, 600mA...
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]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[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]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[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]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[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]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[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]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[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]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Talking
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