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1 Experimental Phenomenon
Design an infrared remote control DC motor speed control system based on STC89C52 single chip microcomputer. Once powered on, the digital tube displays 0, and t...[Details]
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Designing a high-frequency transformer is a difficult point in the power supply design process. Taking the feedback current discontinuous power supply high-frequency transformer as an example, we w...[Details]
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1 Introduction The heat dissipation of a vehicle system is an important indicator of its advancement, because each component and system of the vehicle has an optimal operating temperature range, a...[Details]
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1. Introduction As electronic devices become more multifunctional and noise-free, such as smartphones and digital cameras equipped with video and audio recording functions, and small notebook comput...[Details]
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The sluggish demand for consumer electronics seems to be a done deal. Both institutional data and analysis reports show that in recent years, the overall global smartphone shipments have continued to...[Details]
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Motor protector principle
The motor protector consists of a three-phase current transformer, detection, amplification, delay, adjustment circuit and execution relay. When the detection circuit...[Details]
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The ISP download interface does not require any peripheral parts. It uses a double-row 2*5 socket. Since there are no peripheral parts, PB5 (MOSI), PB6 (MISO), PB7 (SCK), and reset pins c...[Details]
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Estun obtains the first six-axis cETLus certificate
On March 1, Estun Automation passed the rigorous testing and audit of Inrtek and successfully obtained the first cETLus certificate for ...[Details]
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Preface In recent years, the bit rate of digital communication standards has been rapidly increasing with the popularity of multi-Gbps transmission. For example, the bit rate of USB 3.0 reaches 5 Gbp...[Details]
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2014 is coming. As far as the technology market is concerned, a series of technology trends in 2013 will continue in 2014, such as cloud computing, big data, the rise of tablet computers and new thi...[Details]
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One point that should be pointed out here is that there are two parameters that affect the TPWM modulation mode: one is the modulation index M=UT/Uc, and the other is the carrier ratio F=ωC/ωT, whi...[Details]
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(I) Discrimination of transistor materials and polarity
1. Identify the material and polarity of the transistor from the model name. The second part of the domestic transistor model name uses th...[Details]
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PrizmaCap™, ultra-thin and lightweight for high-temperature operation: Rutronik expands existing AVX supercapacitor portfolio
At high temperatures: AVX's innovative PrizmaCap...[Details]
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Domestic single-phase 230V grid-connected inverters can be used in the United States. The key is to obtain the US UL certification. Growatt has 1.5KW to 40KW American models, and its export volume ...[Details]
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In order to further optimize the company's production capacity layout and enhance the influence and comprehensive competitiveness of the company's business, Guangzhou Penghui Energy Technology Co.,...[Details]
Power technology
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