When I was doing 485 communication between PC and 51 MCU, I used three wires to connect, A, B and GND, and used 232-485 converter on PC side, and ran Serial Port Wizard. During communication, MCU firs...
Things to pay attention to in the development of power amplifier products: electromagnetic compatibilityStrong current loops and weak currents cannot be grounded. Try to use a single point grounding. ...
In the picture, the feedback control loop of the reference voltage chip based on TL432, 1 is the sampling circuit, 2 is the feedback loop, what is 3 and what is its function?...
I use the msp430 microcontroller to send out a PWM control buck circuit with a certain duty cycle. The voltage has dropped from 16v to 5v, which is very stable, but the current does not meet the requi...
[code]LIBRARY ieee;
USE ieee.std_logic_1164.all;
USE IEEE.STD_LOGIC_UNSIGNED.ALL;ENTITY TrafficLight ISPORT (Clk: IN STD_LOGIC;S,Reset: IN STD_LOGIC;mg,my,mr,cg,cy,cr : OUT STD_LOGIC );
END TrafficLig...
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[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]
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]
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]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[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]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[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]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
Embedded System
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