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Abstract: After the field effect transistor is turned off, the cathode voltage of the LED increases, causing the LED to turn off. When the field effect transistor is turned on, the cathode voltage of...[Details]
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I'm currently programming stm32l011f4. I thought stm32 has bit-band operation, so I wanted to try it. But it didn't work as I expected. Here is the bit-band operation code: Bit-band operation codes...[Details]
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The most intuitive feeling that 5G brings to consumers is the significant increase in speed, which will greatly improve the experience of video calls, downloads, and movie watching. For businesses, 5...[Details]
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1 Introduction
In recent years, with the development of power electronic equipment. Harmonic pollution is becoming more and more serious, while users have higher and higher requirements for power ...[Details]
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Recently, a whistleblower claimed that a customized model of OPPO and Gundam will be launched, and released a rendering. From the rendering, we can see that the front of the model uses a full-screen ...[Details]
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Shown is a simplified schematic using a fully differential op amp, such as the OPA1632, configured as a unity gain buffer to provide a signal to a 24-bit ADC, such as the ADS1271. The circuit is a ...[Details]
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Buzzer Introduction The electromagnetic buzzer consists of an oscillator, an electromagnetic coil, a magnet, a vibrating diaphragm and a casing. After the power is turned on, the audio signal curre...[Details]
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Huawei pushed the EMUI 11.0.0.150 SP3 update for the Mate 40 series yesterday. The official said that it fixed the abnormal display of lock screen notifications in some scenarios and optimized ...[Details]
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0 Introduction
In recent years, due to the massive increase in nonlinear loads such as power electronic devices, the harmonic pollution of the power system has become increasingly serious,...[Details]
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1. Excellent main technical indicators:
First of all, how to look at the indicators. There are many indicators for liquid chromatographs , including pumps, detectors , chromatographic columns, et...[Details]
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The main purpose of this experiment was to make a two-tone doorbell that could make a "ding dong" sound. In the end, although the circuit board was soldered and the components were assembled, it still...[Details]
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Recently, the board of directors of Foxconn Industrial Internet Co., Ltd. received an application from director Li Jie to resign from his positions as vice chairman, director, and member of the first...[Details]
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0 Preface With the continuous development of electronic technology and automated measurement technology, traditional weighing systems can no longer meet people's needs in terms of function, accuracy,...[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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Due to the epidemic, this year's CES had to be held online. Although it was not as popular as before, there were still many interesting products. For example, OtterBox and Microsoft launched a v...[Details]
Sensor
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