[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:59[/i] To add alcohol testing function to GPS, MP3, MP4 or other related products, our company has specially designed and developed a 1...
In the wiring guide at the end of the datasheet (link: [url]http://www.ti.com.cn/product/cn/THS4131?keyMatch=THS4131&tisearch=Search-CN-Everything[/url] ), I saw"At the input and output of the op amp,...
[u][b][size=4]After reading KDY TLC549’s welfare post, I started my own TLC549 debugging process. It was not very smooth. I encountered a small problem in the middle and it took me a day to find the p...
I downloaded a spandsp 0.0.6 version and wanted to install it on Ubuntu in a virtual machine, but there was a problem with the compilation. It is still pending. I will try it again this weekend. Has a...
The second version of the data has been released for a few days, but I haven't seen any examples from that person. Fortunately, the data is pretty good. I spent an entire night (until now) porting a c...
This is TI's TIPD191 reference design (instrumentation amplifier reference design with DC suppression function). The passive filter network at the front end of the instrumentation amplifier is quite i...
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]
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]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[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]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[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]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[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]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[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. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
Mobile and portable
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