[i=s]This post was last edited by paulhyde on 2014-9-15 09:12[/i][i=s]This post was last edited by paulhyde on 2014-9-15 09:12[/i] 1. “Power supply” topics have appeared in all recent competitions . I...
A:
What is actually printed out here is not the content in the array.All that is printed out is FF.
B:
FF is printed because there is no short circuit between the transmitter and receiver.
Please see ...
[i=s]This post was last edited by fish001 on 2020-7-21 22:48[/i]I joined a large analog electronics company. This was my first job, and I was excited to face all kinds of new problems with my eyes wid...
I saw that the 16-bit VGA circuit of the development board on the forum did not use the ADV7123 chip, but used resistors as DA conversion. I would like to refer to it and make one. How would it work?...
I wrote a small serial communication program on a PDA using evc. I want to read data from COM3 and then forward the read data to COM1. I wrote both reading and writing in one thread, but the program r...
[color=#333333][backcolor=rgb(255, 255, 255)][font=Tahoma][size=12px]A new type of smart home system based on Android platform and Zigbee technology[/size][/font][/backcolor][/color] [color=#333333][b...
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[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]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[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]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
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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]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[Details]