Hi everyone, I was reading a book about analog electronics recently and came across the following circuit diagram. This is an AB amplifier. The book says that the current flowing through the diode is ...
I recently saw an interesting thing, the MAXIM wind meter, which is said to be very interesting, but I am more interested in whether it is a pure toy or an electronic product that can be used to learn...
For example, on 51, p3.4 (T0) and p3.5 (T1) When T0 is used as an internal timer, can P3.4 still be used as an I/O port? When T0 is used as a counter, p3.4 cannot be used as a normal I/O port, right? ...
[i=s]This post was last edited by lingergz on 2014-3-12 17:36[/i] I have recently been learning about msp430 and have written two programs for matrix keyboards, both of which are implemented using the...
My development platform is ARM 2410. I am working on a project and have a batch of products. During factory debugging, the system was normal, including the sudden power failure test, and the desktop s...
This watchband-shaped concept mouse is very unique in its shape. Who would have thought it was a mouse?[[i] This post was last edited by xyh_521 on 2010-4-14 19:12[/i]]...
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]
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
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[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]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[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]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
Infrared remote control is widely used in home appliances, but the remote controls produced are not compatible with each other. The universal remote controls commonly seen on the market can only co...[Details]