A constant array is defined#pragma memory = constseg(DATA)char num[] = {0x1,0x2,0x3,0x4,0x5,0x6,0x7,0x8,0x9,0x10};#pragma memory = defaultBut when using this array to assign values to other variables ...
Using F5438A MCU, in order to solve the problem of slow data transmission affecting the accuracy of AD high-speed sampling timing, I want to use DMA mode to start DMA mode by software after the CPU ha...
I am a student majoring in information management and information systems. I have systematically learned the development methods of application software. I am not a computer major, so I have learned l...
Friday, March 14, 2008 12:02 Analog integrated circuits are widely used in various audio-visual equipment. Even though tape recorders, televisions, and audio equipment are known as "digital devices", ...
ps tutorial data summary, no points, no login required to download Baidu library software, ps tutorial of various versions as long as you want to download anyway, I have tested it, the extraction effe...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[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]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[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 above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
1. Brief Introduction
With the continuous development and improvement of single-chip microcomputer technology, single-chip microcomputers have been widely used in all walks of life, and ...[Details]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]
With the explosive growth of electronic functions in cars, will more and more luxurious cars endanger the safety of passengers? This is the origin of the problem of over-electrification of cars. What ...[Details]