c6678 According to the documentation, toggle the DIP switch of the development board sw3 (pin1, pin2, pin3, pin4): off, on, off, on sw4 (pin1, pin2, pin3, pin4): on, on, on, off sw5 (pin1, pin2, pin3,...
1 Basic concept of RC voltage reduction
1. What is RC voltage reduction?
RC step-down is a circuit that uses the capacitive reactance generated by a capacitor under an AC signal of a certain frequency...
Suddenly, as if overnight, a spring breeze came, and thousands of pear trees blossomed. One pear blossom overshadowed the crabapple. . . Oh, I was wrong. Why did I think of the latter sentence when I ...
As the title suggests, I want to make a control system that can measure the film width data, but I haven't found a suitable solution to measure the width. The accuracy requirement is about +-0.5MM, an...
Who has an account at [url]http://www.stm32circle.com[/url] (STM32 Development Forum)? Please help me download a file! ps: [url]http://www.stm32circle.com[/url] is not accepting new registrations now...
I use LM2575 to convert 24V DC to 3.3V DC. The output waveform has a lot of interference. Is it related to the circuit? The circuit is in the user manual. Are there other 24V-3.3V converter ICs that a...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[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]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]