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In the inspection of electrical equipment, insulation resistance is a very important inspection item for safety performance. Its measurement usually adopts the method of applying a constant DC volta...[Details]
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Ubuntu 10.04 is preparing to port Phonon, but the porting of 4.5 failed. There is an error when playing the sound. . . There is no way. Transfer to QtMutimedia I won’t mention the installation of c...[Details]
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Under the HAL library, it is indeed simpler to use STM32CubeMX to generate source code, much simpler than using the standard library. Now summarize my learning process: Hardware platform: Zhengdi...[Details]
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The computer can be pre-installed with an ST Visual Programmer that directly comes with the STLink driver or an STM32 ST-Link Uitilty Then select Self-installation Click Next In the dialog ...[Details]
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The general purpose timers (TIM2 to TIM5) consist of a 16-bit or 32-bit auto-reload counter driven by a programmable divider. They can be used for a variety of purposes, including measuring the pulse...[Details]
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At Huawei's "2018 Sustainability Report" press conference today, Huawei Chairman Liang Hua said when talking about the Hongmeng system that this is an operating system developed for the Internet of T...[Details]
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Editor's note: Driven by vehicle electrification, networking, intelligence , and sharing, automotive electronics has come to the forefront of the industry and ushered in a new round of explosion. Sem...[Details]
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1. Basic requirements
(1) The output voltage waveform should be as close to a sine wave as possible, and there should be no obvious distortion when observed with an oscilloscope;
(2) ...[Details]
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Digital potentiometers use digital control to adjust the resistance value. They have significant advantages such as flexible use, high adjustment accuracy, no contact, low noise, not easy to be contam...[Details]
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As shown in the figure above, the op amp has two input terminals a, b and an output terminal o. They are also called the inverting input terminal (inverting input terminal), the non-inverting input...[Details]
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Abstract: In order to accurately and automatically measure the wavelength of He-Ne laser and the thickness of transparent film, a single-chip microcomputer is used to drive the stepper motor to dri...[Details]
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Jiwei.com reported on September 10 (Text/Digital Control) that the iPhone 11 series will be released in less than a day. From many media reports, we can know that this year's iPhone 11 series does no...[Details]
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This week, I will continue to recommend a practical book in the field of motor control. I will introduce the book "DC Motor Control Technology" translated from Japanese CQ. The authors are Hiroshi ...[Details]
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Hey, what is this? It looks like frozen cigarettes. This is not smoke, but a solid, to be precise, the lightest solid in the world - aerogel. What is aerogel? First, let's get to know "gel". ...[Details]
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At 6:10 a.m. on October 28, the Alxa Power Supply Company of the Inner Mongolia Electric Power Group organized the planned grid connection and off-grid maintenance of the Ejina "source-grid-load-st...[Details]