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The basic working principle of the keyboard is to monitor the keys in real time and send the key information to the computer. The internal design of the keyboard includes a key scanning circuit ...[Details]
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1 Design of Electric Vehicle Battery Management System
With the increasing shortage of energy, rising oil prices, and urban environmental pollution, the development and utilization...[Details]
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Today I will tell you about the serial communication of this board. Here we don't need to look at the board, as long as we know how to use the serial port of the 51 chip. Let's go directly to the c...[Details]
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Large-scale LED display systems have been widely used in various indoor and outdoor occasions, but because they mostly use multi-machine systems, the system cost and the complexity of software ...[Details]
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LED has been developed for more than 30 years. Various types of LED, products using LED for secondary development and products supporting LED (such as white LED drivers, etc.) have developed rapi...[Details]
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Helium’s LoRaWAN® network infrastructure has spread across more than 1,000 cities in North America, including Los Angeles, New York, San Francisco, Chicago, Miami and Austin, etc. The world’s first p...[Details]
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Different from the steel ball initial viscosity test method, the initial viscosity force value can be accurately measured. Equipped with high-precision imported brand sensors to ensure accurate and r...[Details]
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In the previous video, we have introduced the ROLL mode in the horizontal time base. Now let’s take a look at the XY mode in the horizontal time base. What is it all about? In the previous video, w...[Details]
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1. Introduction to underground pipeline detection technology
Underground pipeline
detection technology
has been used for many years. As early as the end of World War II, people ...[Details]
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Demodulating PWM signal Pulse width modulation (PWM) is widely used in switching power supplies and motor controllers. Analyzing the dynamics of the control loop requires observing the change in puls...[Details]
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(Image credit: Qian Cheng, Department of Engineering, Columbia University) According to foreign media reports, it is becoming increasingly important to improve battery energy storage capacity, inc...[Details]
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With the widespread application of single-chip microcomputer systems and the popularization of computer network technology, the communication function of single-chip microcomputers is becoming more a...[Details]
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Usually, aluminum electrolytic capacitors are used for output capacitors to achieve large capacity. However, electrolytic capacitors are not very effective in suppressing high-frequency noise, and ...[Details]
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Q How to measure the light intensity of different light sources? A Take a red, green, or blue LED. The determination of light intensity can be crucial, for example, when designing the lighting of a r...[Details]
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Mitsubishi PLC FX3U series is a very popular small PLC with high performance, high reliability, ease of use, etc. In practical applications, remote I/O settings are one of the common requirements.
...[Details]