I would like to ask the experts, the original system uses ATMega64A microcontroller, compiled under "ICCV7 for AVR", but due to insufficient code space, it is replaced with ATMega128A. After selecting...
Dear friends: The eeworld blog system will be online soon. Many engineers have helped us with internal testing. Thank you very much! In order to further enhance your understanding of the blog system f...
When using the PCI_dspIntReqSet() function on the dsp (DM642), an interrupt cannot be generated. In the hardware simulation test, I used a multimeter to measure the INTA# pin, which was always high, b...
[b]LED is a photoelectric device made of compound materials with pn junction. It has the electrical characteristics of pn junction devices: IV characteristics, CV characteristics and optical character...
I have taught myself ARM9 bare board development, C language development under LINUX, and driver development. Now I have to learn something else to be hired by HR and project managers because I have n...
As shown in Figure (01), there are two batteries and a resistor in series. In this circuit, does battery E1 charge battery E2, or does battery E2 charge battery E1?Figure (01) Let's measure voltage U...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]