[Source: ZTE Documents]
It's the time of the college entrance examination again. Although the time of this year's college entrance examination has been postponed to July 7-8 due to the epidemic, the c...
[code]# main.py -- put your code here! from pyb import Timer import thread # LED loop test def LED_loop_test(): for i in range(1, 5): pyb.LED(i).on() pyb.delay(100) pyb.LED(i).off() pyb.delay(100) LED...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:55[/i]1. Previous Vocational and Technical College Competition Questions
Since 2007, the competition questions for undergraduate colleges and...
[font=Arial, Helvetica, sans-serif][color=#000000][b]50 years of analog design experience condensed into one convenient eBook[/b][/color][/font] [font=Arial, Helvetica, sans-serif][color=#000000][b]An...
1. National Competition Promotion The 2009 National Undergraduate Electronic Design Competition was sponsored by the former NEC Electronics, which signed a ten-year cooperation agreement with the Nati...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
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]
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[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]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[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]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[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]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[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]
Talking
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