[b]1. Experimental task[/b] Display “★”, “●” and heart-shaped images on the 8X8 dot matrix LED, and select the image to be displayed by pressing the button. [b]2. Circuit schematic[/b] [img]http://www...
(Just smile on National Day and be happy!)Disciple, in fact, the master is a monster; Wukong, I am going to marry Zixia, remember to give her a red envelope; Kong'er, tomorrow is your birthday, th...
For low power consumption products, you should not connect XT2 and use DCO directly. I use 149. The product uses UART. I don't know if DCO is stable? The baud rate is 9600.What is the maximum frequenc...
I want to write a dot matrix screen dynamic program. Please tell me where is the error in the ************ scanning program ************? ? ? Point to the right byte of the 4th word row, then point to...
Keywords: [b]Network Video Server[/b] [url=http://www.ykdvr.com/][color=#800080]Network Video Server[/color][/url] mainly realizes the IPization of analog video and audio signals. Its main principle i...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[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]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[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]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[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]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[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]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
DIY/Open Source Hardware
京公网安备 11010802033920号
EEWORLD
