I'm making a 16*16 dot matrix recently, controlled by 430. I have the dot matrix, but now it can only display single words, it can't move, and there is ghosting. So I'm asking a great god to help me m...
[align=left][size=4][b][font=微软雅黑]Event Main Site: [/font][url=https://bbs.eeworld.com.cn/thread-578778-1-1.html]Click here to view [/url][/b][/size][/align][align=left][size=4][b]Event First Stop: [u...
It seems that this technology is rarely used. From the actual use, the range accuracy of the keyless system of the car is very high. Are there any disadvantages in using it indoors? For example, it is...
Can the interrupts of multiple pios be written together, so that IOWR_ALTERA_AVALON_PIO_IRQ_MASK(PIO_BRK_BASE | PIO_FR_BASE | PIO_QS_BASE | PIO_EN_BASE, 1); write one sentence for each pio? Is this ve...
Finally I saw the legendary F7, I powered it on and played its Demo for a few times, haha, someone has already written a brief introduction, I'd like to share it with you: [url=https://bbs.eeworld.com...
The gyroscope is an instrument that can accurately determine the orientation of a moving object. It is an inertial navigation instrument widely used in modern aviation, navigation, aerospace and defen...
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]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[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]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[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]
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]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]