A friend recently gave me a set of [American Classics] series textbooks. I read a little bit and felt it was okay, so I uploaded it to share with you. All of them are free to download. Friends who nee...
/** Copyright (c)...* All rights reserved.** File name: main.c* File identifier: NO* Hardware description: P1.3 on the development board is connected to the button, and P1.0 is connected to the LED (c...
1. (Positioning) When we develop a street lamp, we must first have a positioning (develop a lamp condition table, such as the general structure of the lamp, electrical performance indicators, emission...
I just learned MCU and want to use Hall sensor 41F (switch type) to measure the motor speed for future preparation. My hardware is fine, now let's talk about the program. I connect the signal output t...
My WINCE device can now be recognized as a USB flash drive. There is another problem. When I plug in the USB cable, the drive letter of the NAND FLASH on WINCE disappears, and the drive letter of the ...
Have you ever done gprsdtu? When I use sim900a for TCP transmission, I feel that the speed is very slow. I use AT+CIPSEND, wait for send ok after sending, and then send the next one. But the waiting p...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[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]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
Analog electronics
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