Hello, I encountered a problem when using ADC multi-channel acquisition. First, I used ADC 4 channels 10-bit acquisition (A3, A2, A1, A0), adopted the internal reference voltage 2.5v, and used DMA to ...
[i=s] This post was last edited by dontium on 2015-1-23 13:25 [/i] Resistor value marking method
1. Direct marking method: Use numbers and unit symbols to mark the resistance value on the surface of...
[i=s]This post was last edited by Wutong after the rain on 2016-8-25 15:42[/i] In response to the post I posted yesterday: [url=https://bbs.eeworld.com.cn/thread-498465-1-1.html]https://bbs.eeworld.co...
Hey guys, I want to press a button on one interface and another interface will pop up. What function should I use to call and generate the other interface?...
I recently soldered a sound amplifier circuit board, and found that it could not work properly after soldering. I don't know what the reason is: I input the audio signal, but the speaker does not soun...
[i=s] This post was last edited by dontium on 2014-1-12 15:31 [/i] The purpose of this topic is to understand where everyone starts when mastering a new microcontroller. The choice between the two dep...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[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]
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]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
Microcontroller MCU
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