I don't know what to do during this long vacation. Does anyone have a circuit diagram of a 4-layer board? Please share one with me. Thank you again. :kiss:...
When you receive the gift, you need to reply to the post saying "I know", will the administrator give you a notification, such as mobile phone or QQ? Thank you...
I have a question for you guys. I use a normal IO port to make a PWM signal. Since the frequency is relatively high and the pulse width needs to be adjustable (256 levels), I want to make the PWM outp...
1. Overview of Digital-to-Analog Conversion
The DAC12 module of MSP430 can convert the result of operation processing into analog quantity in order to operate the working process of the controlled obj...
Using Timer+PWM to drive WS2811 LED-Strip WS2811 LED innovatively integrates 5050LED and LED driver in the same package. It greatly simplifies the design of LED strip. ● Output port withstand voltage ...
Dear heroes: My PDA system is based on the PXA255+WCE4.2 platform. There is a 128M SDRAM connection on the hardware, but now the system can only use 64M SDRAM as memory. If the memory is changed to 12...
With the booming electronics industry, vision systems have become a leader in the electronics automation sector. However, the delicate nature of electronic products often affects product yields due...[Details]
On August 24th, media outlets reported, citing sources, that NavInfo, a listed company on the A-share market, is nearing completion in its acquisition of the intelligent driving c...[Details]
Zos Automotive Research Institute released the "2025
Smart Cockpit
Tier 1 Research Report (Domestic Edition)."
This report analyzes the operating conditions of more than a dozen ...[Details]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
With the gradual popularization of new energy vehicles in recent years, more and more people have been able to access and purchase electric vehicles. The structure of electric vehicles is composed ...[Details]
Electric vehicles will revolutionize transportation, changing fuel consumption, carbon emissions, costs, maintenance, and driving habits. Currently, a major selling point for electric vehicles is t...[Details]
introduction
With the development of society, people's requirements for the quality of refrigerated and frozen foods are constantly improving. The changes in food appearance and nutritional co...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]
Using the STM32F103 as a microprocessor, a low-cost wireless WiFi music player system was designed. This system, combined with the WM-G-MR-08 (wm631) module for WiFi data reception and the VS1003B ...[Details]
When installing circuits, we all hope to have a safe and protective electrical appliance. Circuit breakers and circuit breakers are such a thing. As we all know, a circuit breaker is an elect...[Details]
In the exhibition halls of the 2025 World
Robot
Conference (WRC), robots of all shapes and sizes competed for attention. As the hustle and bustle of this industry event gradually subsided, ...[Details]
Electric vehicles are structurally composed of three main components: batteries, motors, and electronic controls. Power is transmitted from the battery to the motor, which in turn drives the vehicl...[Details]
On August 8, PetroChina Southwest Oil & Gas Field Company's 35kV Zhouping Line centralized battery energy storage system successfully completed a 24/7 trial run, achieving full compliance with all ...[Details]
Since the beginning of summer, high temperatures have continued to intensify, and the national electricity load has frequently broken records. The latest data from the National Energy Administratio...[Details]
PCB Design
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