This article describes a method for driving a sensored permanent magnet synchronous motor (PMSM) whose sinusoidal current is controlled by a digital signal controller dsPIC30F....
Now I need to install the ssh service under Ubuntu. I checked some information and they all introduced how to install it under the Internet.1. How to install locally? Without Internet access.2. In CCS...
65--500Vac wide range input, two outputs: main output 5Vdc/1.2A; auxiliary output 12Vdc/0.4A. The transformer is very noisy at rated output (other functions are normal except for the noise, the insula...
void uart_send(uchar data) {while(!(UCSRA&(BIT(UDRE)))) ;UDR=data;while(!(UCSRA&(BIT(TXC))));UCSRA|=BIT(TXC);} The above program is a program for AVR serial communication to send a byte of data . I do...
As a technician, everyone thinks that the salary is high, the job is stable, and you can learn a lot. It is the inevitable choice for most people who have just graduated from school or are introverted...
Let me first talk about the background of the problem: In a product, 7 buttons are set. According to the one-to-one connection method BP2.0~BP2.6 correspond to buttons KEY1~KEY7 respectively KEY1---OK...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
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]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[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]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[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]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[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]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]