I am a junior now, and I still have more than a year to graduate. I am familiar with C/C++ programming, and I am learning assembly. I am familiar with the basics such as data structure and algorithm. ...
I am a beginner. I don't know how to use the timer to realize the duty cycle of 80c51. The teacher also asked me to use C language to write the program, which made me even more confused. Please help. ...
[i=s]This post was last edited by ienglgge on 2015-1-25 22:51[/i] In the process of compiling keil4 under Windows 8 system, the error "browser information of one or more files is not available .\USER_...
I use pxa270, wince6.0 to synchronize with PC using usb-serial or usb-RNDIS, how to set the registry? Also, in hardware design, we did not connect positive 5V, only D+, D-, and ground, D+ is connected...
DC amplifiers can amplify DC signals or AC signals that change very slowly. They are widely used in automatic control instruments, medical electronic instruments, electronic measuring instruments, etc...
Dear friends: Are you bored at home during the summer vacation? Do you want to play with FPGA + USB + Labview? Do you want to DIY a logic analyzer? If you want to do all three of the above, let's form...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[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]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[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]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
The automotive power electronics market has grown rapidly as comfort and active safety features become more common. As traditional mechanical functions shift to electronic applications, the demand ...[Details]
At present,
the control system used in
automobiles
can be divided into three parts from the functional point of view:
sensor
unit, control unit and execution unit. Among them,
th...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]