w3571604@163.com Any MPU is fine, 51, 430, ARM is better, I/O port analog bus. If you have one, please send it to me, I will be very grateful, plus points!...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:59[/i][color=#333333][font=Verdana, Helvetica, Arial, sans-serif]From the leaked pictures, the Xiaomi set-top box is slightly larger th...
I use TI's UCC28019 to make APFC. The main circuit and control loop parameters are calculated according to the Datesheet. The power factor correction effect is very good, but there is a zero-point dis...
[size=3]Add some material every day. Today we will talk about some classic things in LLC resonant half-bridge transformer design[/size] [size=3] [/size] [url=https://download.eeworld.com.cn/detail/okh...
The paper industry is constantly improving its automatic control system and the advantages of the Da Vinci system. In the online detection and control of the system, its high-precision and high-perfor...
[color=#000][backcolor=rgb(232, 232, 232)][size=15px]How does INA282 measure current using this method? How should it be applied (how should IN- and IN+ be pressurized?), is the output a detection vol...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[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]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[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]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[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]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[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]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
Embedded System
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