GPS can only be used for outdoor positioning, but what if you need to achieve positioning indoors? Using ZIGBEE technology to achieve positioning is a good solution, and this technology can also be us...
The 2014 4th China Educational Robot Competition has ended. I came back from Hunan and rested for a few days. I feel relaxed. I worked all night for three consecutive nights in the later stage of the ...
This chip has not been found. Does anyone know what it will be called after the name is changed? If it is discontinued, what should be used to replace it?...
In the system composed of NRF24L01 module and 51 MCU, the voltage of NRF24L01 is 3.3V, but after writing the MCU program, the voltage VCC of NRF24L01 is about 1V. Why? What's wrong? How to shield the ...
In the config.bib configuration file, there is a memory field that can be used to configure memory allocation: for RAMIMAGE type memory, after NK is decompressed, the system files will be placed in th...
Switching Regulator ADP5090 Ultra-Low Power Boost Regulator with Integrated MPPT and Charge Management Quick Links Data Sheet PDF User Guides PDF Technical Articles PDF Design Tools View Full ADP5090 ...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
RF/Wirelessly
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