Please help me: The problem is this: ALC203 is controlled by ARM7. Currently, the MC1 and HP-OUT-R pins are used as audio input and output respectively, which can only realize single channel. How to r...
ESP8266 development tutorial : https://training.eeworld.com.cn/course/26642ESP8266 SDK development: detailed explanation of ESP8266_NONOS-SDK programmingDevice access to the IoT platform: detailed exp...
1. The sampling method using optocoupler isolation is as shown belowBoth GP9303 and GP8101 are powered by 12V, and the PWM frequency of GP9303 is 10KHz. PC817 optocoupler is used for isolation in the ...
The first question is, which series of microcontrollers should beginners learn? 51, AVR, 430, ARM (including embedded operating system), FPGA, etc. There are so many microcontroller systems at present...
[size=14px]Overview of FPC Proofing: [/size] [size=14px]FPC proofing is the production of product samples. Therefore, FPC proofing is the production of samples entrusted to manufacturers to confirm wh...
The clock sources of MSP430F169 are three: high-speed crystal oscillator XT2, low-speed crystal oscillator XT1, and digitally controlled oscillator DCO. The clock signals generated by each oscillator ...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[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]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[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]
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]
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]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[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]
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]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]