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1 Dimming Controller Design
In daily life, we often need to adjust the brightness of lights. This dimming controller adjusts the brightness of incandescent lamps (pure resistance loads) by...[Details]
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呼吸率是一项重要的生命征象，有助于瞭解一个人的整体健康状况和睡眠品质。呼吸率和呼吸方式也被认为是反映个人基础健康状况的良好指标。虽然目前市场中的技术都承诺能够准确可靠地进行监测，但大多数并不理想——有的不够准确而必须不断地调整，有的则是用起来并不舒服。 This article discusses the various existing methods for measuring and ...[Details]
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Recently, Jingsheng Electromechanical said in an institutional survey that as of June 30, 2021, the company had unfinished contracts for crystal growth equipment and intelligent processing equipment ...[Details]
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Recently, Jia Shaoqian, president of Hisense Group, said in an interview with CNBC that the global chip shortage may last for two to three years before it ends. Since last year, the impact of the glo...[Details]
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introduction
TMS320F2407A is a high-speed, high-performance, low-cost microprocessor. It integrates many external expansion devices required by numerical control systems and can realize SP...[Details]
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Apple is reminding developers that they have until May 20 to submit applications to the Small Developer Assistance Fund or they could miss out on their share of a $100 million class-action settlement...[Details]
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1 Introduction The development of high-frequency switching technology has made industrial frequency transformers withdraw from many fields. However, in many fields such as uninterruptible power supp...[Details]
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The TDA7294 IC is a popular low-cost sound amplifier IC that has a ton of power handling capability, 100W to be exact. In this tutorial we will use two of these TDA7294 ICs in a bridge configuratio...[Details]
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70% of the world's smartphones are manufactured in China, so the new coronavirus epidemic will affect the global smartphone supply chain and manufacturing capacity. Many technology companies' sup...[Details]
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From small households to large enterprises, energy consumption has always been a concern for everyone. The energy consumption of Chinese enterprises has always been high, and the country has also wor...[Details]
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/******************************** DS18B20 temperature measurement program File name: main.c Compiled by: WinAVR-20070122 Hardware environment: The switches on CA-M8X are as follows ...[Details]
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In the program flowchart, the Boolean data operation node is located in the function sub-palette "Programming → Boolean", as shown in Figure 1.
Figure 1 Boolean sub-palette
The names...[Details]
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The cell phone is becoming the ultimate all-in-one portable consumer electronics platform. It features capabilities such as capturing high-quality images, Wi-Fi network access, crisp audio, longer ...[Details]
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1. Address allocation (how to find 1G space for 27 wires) From the data sheet of S3C2440, we know that S3C2440 can address an address range of 1G, but S3C2440 has only 27 address lines, and theoretic...[Details]
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1 Introduction
Frequency hopping means "multi-frequency, code selection, frequency shift keying", that is, using a pseudo code sequence to form a frequency hopping instruction to control the f...[Details]
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