[font=黑体][size=6]Do you have a girlfriend? [/size][/font] I went home to have dinner with my relatives. I teased my relative’s child: “Belle, do you have a girlfriend in kindergarten?” He immediately ...
[i=s] This post was last edited by 07611128 on 2015-8-18 12:56 [/i] [font=宋体] Actually, this is used as my graduation project. Now I want to use it to explain that I have also used stm32F4 series of m...
Reprinted from: Window Paper [url=http://www.getproject.com.cn/post/95.html]http://www.getproject.com.cn/post/95.html[/url] [align=center][/align] Imagine if you had such a "naked" thermometer, and pl...
[size=3] Hello everyone, to thank you for your silent contribution and support to the forum, we will select some popular development boards for you to evaluate. We hope that through the evaluation, we...
Our company makes Bluetooth headsets, and we have tested the current in various states using a Fluke multimeter. The results should be accurate and the headset should be able to last a week on standby...
An improved FIR digital filter design In digital signal processing, filtering plays an extremely important role. Digital filters are basic processing algorithms in spectrum analysis, radar signal proc...
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[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]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
HL201A is a special thick film driver integrated circuit with a capacity of less than 75AGTR developed by Xi'an Power Electronics Technology Research Institute. The article explains the pin arrange...[Details]
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