The IBM PC spawned the basic architecture that would grow into the dominant Wintel platform we know today. What was once a heavy, clunky, power-hungry machine can now be emulated on a single board usi...
I have been DIYing clocks with Nixie tubes and fluorescent tubes for half a year . In fact, the first clock I DIYed was an LED dot matrix one.
After 3 years, I gathered all the ideas I had during this...
I've been studying a keyboard processing chip recently, and the communication method is I2C bus. Before, I just used it, and it was fine if the program could run! But since I came into contact with th...
Because I have to go out for the time being, I am selling a Guo Tianxiang TX-1C microcontroller learning board, which is fully compatible with his videos. I bought it for 198 and played with it for a ...
The MLink driver included in the driver CD does not support installation under WIN7 64-bit system.
I spent more than a whole day to solve the problem of MLINK driver.
Finally I changed to 32-bit Windo...
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[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
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
Today's automotive application developers face numerous design challenges as modern cars add more electronic functionality, while the need for lower power consumption and smaller printed circuit bo...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
As the electromagnetic environment in space becomes increasingly complex, the shielded cables used to transmit weak signals in the test system are easily affected by external electromagnetic distur...[Details]
We software engineers love to find the perfect solution to any problem we encounter. But oddly enough, we find that in this particular area, there is no perfect solution. Clever tricks may save som...[Details]
1. Introduction
The novel bidirectional high-frequency link inverter has the advantages of bidirectional power flow, high-frequency electrical isolation, simple topology, and two-stage po...[Details]
Engineers usually use multiple groups of cheap small-capacity batteries in parallel to achieve the larger battery capacity required by UPS. If multiple groups of batteries with poor performance uni...[Details]
LED lamp beads are voltage-sensitive devices and capacitive loads. In actual work, the current accuracy is required to be high, which is one of the main issues affecting the luminous efficiency and...[Details]
With the development of communication technology, traditional analog walkie-talkies can no longer meet people's needs, and the digitization of walkie-talkies is imperative. The rapid development of...[Details]
Abstract: Fiber optic communication is the main communication mode of data communication system nowadays, and its performance directly affects the quality of data communication system. This paper u...[Details]