[i=s]This post was last edited by paulhyde on 2014-9-15 03:46[/i] [font=宋体][size=5]This design makes a simple automatic garage entry car with line-finding function. The main functions are as follows: ...
Low-pass filters are widely used in design. Compared with passive filters, active filters have better filtering effects, but they are also more difficult to design. Webench's filter design tool can co...
Once upon a time, there was a scholar who went back to his parents' home with his wife to celebrate his father-in-law's birthday. He drank a few more cups in a moment of joy and passed out on the spot...
When repairing an alarm, I found an integrated block. In principle, it is a single-chip microcomputer, but it is a dual-row 18-pin microcomputer without an external crystal oscillator. Pins 5 and 14 a...
Dear EEWorlders:The Spring Festival is approaching, I wish you all a happy Spring Festival in advance! May everything you encounter be as you wish, may everything you wish come true, may misfortune tu...
Introduction: This application note describes the circuit architecture and details required to measure the impedance of a grounded sensor using the AD5933 impedance-to-digital converter....
When talking about Chinese chips, Ni Guangnan is indispensable. Let’s learn more about the relevant content with the embedded editor.
Since he co-founded Lenovo in 1985, Ni Guangnan has been s...[Details]
Profit growth of 85% in 2017, target revenue of 12.5 billion yuan in 2018: The company released its 2017 annual report, achieving revenue of 8.886 billion yuan, a year-on-year increase of 48.01%; prof...[Details]
For 80,000
ZTE
(000063.SZ) employees and more Chinese ICT (information and communication technology) industry practitioners, the news from across the ocean on the evening of April 16 kept t...[Details]
1. Principle 1. Infrared emission protocol There are many infrared communication protocols. This experiment uses the NEC protocol. This protocol uses PWM modulation and uses pulse width to represen...[Details]
In the actual project development process, we often need to get the running time of a section of code. The usual method is to use an oscilloscope to measure it. This blog post will use SysTick to acc...[Details]
Today, under the guidance of a low-level expert, I learned how to configure the PWM module! Woof! First open the file configured last time, as follows: Then, we need to use TIM1 to set PWM: Then,...[Details]
Overview
Lightning is a strong discharge phenomenon that occurs between thunderstorm clouds and between thunderstorm clouds and the earth due to severe convective weather. Lightning is gen...[Details]
Timing and protocol are two key points in digital system debugging, and they are also where logic analyzers can play their most valuable role. How can we use a logic analyzer to quickly complete wiri...[Details]
Superconductors have physical properties such as zero resistance effect, Meissner effect and Josephson effect, which make them have broad application prospects and unparalleled advantages in many b...[Details]
I encountered a problem when debugging the STM32 system clock setting: TIM2 timing 1Ms, TIM2 interrupt service function time++, LED state changes when time=100. After the program runs, I found that t...[Details]
The storage media corresponding to the three boot modes of STM32 are built-in to the chip, they are: 1. User Flash = Flash built into the chip 2.SRAM = RAM area built into the chip, which is the m...[Details]
/* Unfortunately, it cannot generate a standard 38kHz frequency square wave, there is a little error*/ #include reg51.h #define uchar unsigned char #define uint unsigned int sbit Waveout=P1^0; //P...[Details]
When the program starts running, light A turns on for 5 seconds, then turns off, light B turns on for 5 seconds, light B turns off, light C turns on for 5 seconds, light C turns off, the program ends...[Details]
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