For design engineers who need a quick solution for old serial port based projects, the first attractive strategy is to use a patch system. This can be achieved by adding a custom USB-UART converter be...
Dear all,I use STM32 to implement Virtual COM Port. If only one is plugged into the same computer, it is correct, but if two are plugged in, there will be problems. I wonder if anyone has encountered ...
I plan to use AO3407 as a switch and a CH340 to convert USB to serial port, but it is not used most of the time. The device is powered by a battery because I want to turn off the power of CH340 at ord...
Interrupt is a very important concept, and every microcontroller has interrupts. Different microcontrollers handle interrupts in different ways. Like the Cortex-M4 and M3 , the Cortex-M4 is equipped w...
Please help me: I want to use CVI programming to collect data from multiple points using the 485 serial port. The signals of the 13 points are transmitted to the PC through the 485 bus. The signal is ...
[i=s]This post was last edited by dcexpert on 2016-12-17 21:02[/i] First, let me report on the crowdfunding situation. As of this Saturday, 15 netizens have signed up, and the expected goal has been r...
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]
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]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[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]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[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]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]
Abstract: Based on the analysis of the characteristics of the IRIG-B (DC) code type, a design method for IRIG-B (DC) time code decoding is proposed. This method consists of a small number of periph...[Details]
Traditional synthesis techniques are increasingly unable to meet the needs of today's very large and complex FPGA designs implemented in 90nm and below process nodes. The problem is that traditio...[Details]
The battery and its management system are one of the key technologies of electric vehicles. In the past few years, most companies have encountered embarrassment in the development of electric vehic...[Details]
The cruise control system (CCS) of a vehicle is also called a constant speed driving system. It is an electronic control device that uses advanced electronic technology to automatically adjust the ...[Details]
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