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Global photovoltaic situation: Affected by the European debt crisis, the photovoltaic industry is in a short-term downturn, but solar energy is still the most promising renewable energy. In 2011, t...[Details]
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Differential pressure flowmeters are widely used for flow measurement of blast furnace gas. As a flowmeter manufacturer, Shanghai Nosa Electromechanical recommends differential pressure flowmeters wit...[Details]
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According to foreign media reports, HMD plans to launch a new smartphone, Nokia C2, which will be an affordable entry-level 4G smartphone for first-time smartphone buyers. In terms of core configurat...[Details]
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Electret microphone is an electret microphone. It has the characteristics of small size, simple structure, good electroacoustic performance and low price. It is widely used in cassette recorders, w...[Details]
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The purpose of digital signal processing is to measure or filter continuous analog signals in the real world. Therefore, before digital signal processing, the signal needs to be converted from th...[Details]
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Circuit Function and Advantages
The circuit shown in Figure 1 is capable of monitoring bidirectional currents with less than 1% linearity error on sources with dc voltages up to ±270 V. The lo...[Details]
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According to Sisvel's official website, Xiaomi and Sisvel recently announced that the two companies have signed a licensing agreement covering Mitsubishi Electric and Sisvel's standard essential pate...[Details]
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If the polarity of an electrolytic capacitor is unknown, its polarity can be measured using the resistance block of a multimeter. We know that the leakage current of the electrolytic capacitor is sm...[Details]
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In order to test whether the coil of the recording and playback head is damaged, some people use the resistance block of the multimeter to measure. This method will magnetize the head, causing the he...[Details]
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1. Test method: 1. Place the instrument in a horizontal position and check whether the pointer of the galvanometer is on the center line. If not, use the zero adjuster to adjust it to the center line...[Details]
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To reduce the wear of the servo motor, you can take the following measures:
(1) Proper lubrication: Regular lubrication of the servo motor is an important step to reduce wear. Use appropriate ...[Details]
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DS1620 is a member of the temperature sensor family of DALLAS Semiconductor Company and is a new type of digital temperature sensor. It has a wide temperature measurement range (-55°C ~ +125°C) and a...[Details]
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The watch battery tester described in this article uses a non-contact method to sense
the driving pulse of
the electronic
watch second hand. Without opening the back cover of the watch, it c...[Details]
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1 Introduction
With the development of modern society, high-power switching power supplies are being used more and more widely. In the monocrystalline silicon industry, a single high-power switchin...[Details]
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The power CAN bus system is a communication protocol widely used in the fields of automobiles, industrial automation, aerospace, etc. It has the characteristics of high speed, reliability, flexibil...[Details]
Power technology
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