This is my circuit diagram. When the third voltmeter is connected to the motor, the display is less than 1. When it is not connected, it displays 11V. Why is this? In the actual circuit, the voltage a...
My MCU program and host computer program run normally on the development board. The host computer uses VB, the MCU uses 51, the baud rate is 9600, and the development board crystal oscillator is 11.05...
I need this code urgently, but I don't know how to write it and I don't understand it. It's very urgent. So I ask for help! I want to reward you handsomely! But I'm shy! Once you use it, thank you ver...
Veterans talk about their experiences, and novices talk about their confusions. Everyone has experienced the initial learning stage. Some are very smooth, some are very tortuous, and some are even sti...
I would like to ask, does EE have a group number for YY lectures? Which expert in the group has time to give a lecture on weekends? Otherwise, we can take turns to give lectures. I remember that sever...
The radio frequency identification (RFID) market is experiencing strong growth, with sales reaching $1.7 billion in 2004 and expected to reach $5.9 billion in 2008. This surge in demand is driven b...[Details]
0 Introduction
At present, the analysis of intra-pulse signals in pulse radar has always been a hot topic and difficulty in research. How to measure the intra-pulse carrier frequency more ...[Details]
With the rapid development of my country's power industry, the power system has higher requirements for the collection of power generation, transmission, distribution and consumption. As a prerequis...[Details]
Nowadays, the phenomenon of using cloned taxis and trucks for operation is becoming more and more serious. The so-called cloned car is one or several unlicensed vehicles that are used to copy anoth...[Details]
0 Introduction
GaAs photocathode is a negative electron affinity photocathode with the advantages of high quantum efficiency, concentrated energy and angle distribution of emitted electrons. T...[Details]
From a broad perspective, the development of digital television in my country started in 1995 with a special project on digital television science and technology. In 1998, China's first and the wo...[Details]
Electrochemical Principles of Blood Glucose Measurement
The electro-biochemical principle of blood glucose measurement is that when a certain voltage is applied to the blood after the enzy...[Details]
Today, many wireless devices combine GSM, WCDMA, Bluetooth, WLAN, GPS and FM technologies and support the high data rates required for mobile Internet. Moreover, as customers demand mobile wireless...[Details]
Prisons are an important part of the national judicial organs, shouldering the important mission of enforcing laws and disciplines and educating and reforming. The safety of prisons is related to t...[Details]
introduction
Using wireless sensor networks to detect the amount of grain in a grain depot is a new technology. Due to the complexity of grain piles, a large number of unevenly distribut...[Details]
1 Introduction
Under the current situation of power shortage in my country, it is very important to monitor power to ensure safe use of power. The research and transformation of power grid...[Details]
Most of the current maritime radars in my country are imported radars with a short effective detection range. They are unable to identify signals when the signal-to-noise ratio drops to 3 dB. Wit...[Details]
0 Introduction
With the development of embedded computer application technology, embedded technology has been widely used in all aspects of modern life. In terms of retail systems, retail ...[Details]
Future 4C products are characterized by low price, light weight and mobile Internet access, so their power supply design must break away from traditional limitations, including complicated external...[Details]
0 Introduction
With the rapid development of the national economy and the continuous improvement of people's living standards, on the one hand, the traditional manual meter reading and bil...[Details]
Analog electronics
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