When I use a WM5 phone to synchronize with a computer through the USB port via ACTIVESYNC, the program can download the content in FTP normally. However, when I unplug the USB cable and enable GPRS se...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i]The circuit working principle of the device is shown in the figure below. JS is a very thin metal wire, which is wound around the...
Top 10 popular logic chips and programmable logic arrays in the first quarter of 2006TI's RS-485 transceivers offer over 15kV ESD protection Editor's Choice: Texas Instruments' latest 3.3V and 5V full...
[color=#000]With the development of multithreading technology, the main() function, which was originally entrusted with important tasks, has gradually degenerated and neglected, and now has become a "...
It takes some effort to walk out of some yellow and dry memories. No one mentions the holes in the pair of sneakers thrown at the foot of the bed anymore. I have walked many roads wearing them. If...
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[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]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[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]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[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]
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]
1. Introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional ...[Details]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
O Introduction
Virtual instrument is a new type of instrument developed with
the development of
computer
technology, electronic measurement technology and communication technology. ...[Details]
The coking workshop of Tianjin No. 2 Gas Plant is the core of the whole plant's production and an important source of economic and social benefits. Its production automation level and management an...[Details]
1. Composition of product standard system
LED is a new type of lighting appliance product. LED products include the LED itself, the supporting control devices and the lighting products that us...[Details]
Embedded System
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