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Radar level meter and ultrasonic level meter are two important instruments for measuring level. They are widely used in the continuous level measurement of various tanks, silos, and pools in chemical...[Details]
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Hemlock Semiconductor Operations (HSC) has announced the acquisition of DuPont's trichlorosilane (TCS) production line, the primary raw material for ultra-pure polysilicon supplied to the semiconduct...[Details]
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The wide application of virtual instruments allows users to design their own instrument systems according to their needs. The passive network admittance measuring instrument is a specific application...[Details]
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Resonators and oscillators are often confused. After some time of comparison, I have sorted them out. We are used to calling them crystal oscillators, but this term is actually very vague. Her...[Details]
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South Korean clinical-stage biotechnology company Bridge Biotherapeutics said on Tuesday it has signed a joint research agreement with Atomwise, a U.S. AI drug development company, to conduct AI drug...[Details]
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With the proposal of China's "carbon peak" and "carbon neutrality" goals, a new wave of energy-saving and emission-reduction technology innovation has been launched across the industry, and the rec...[Details]
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Dynamic storage allocation In the chapter on arrays, we have introduced that the length of an array is predefined and remains fixed throughout the program. Dynamic array types are not allowed in C la...[Details]
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On June 8, Han's Laser released information related to an investor survey, showing that the company has shipped more than 1,000 mask machines and production capacity has basically returned to normal....[Details]
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The configuration style of GPIO in STM32 is very different from that of the MCUs studied previously. It took me a long time to figure it out. typedef enum { GPIO_Mode_AIN = 0x0, GPIO_Mode_IN_FLOA...[Details]
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Learned a very accurate way to measure pulse width. The specific idea is: Using the internal resources of the timer (when GATE = 1, the stop and start of the counter are controlled by the levels of...[Details]
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Basic Concepts
**1. ** Pole pair number P: refers to the number of pairs of NS poles in the permanent magnet rotor (or stator).
For each rotation, the induced electromotive force generate...[Details]
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Circuit principle: This circuit uses BP01 pressure sensor and MAX4472 operational amplifier. BP01 pressure sensor is specially designed for blood pressure detection and is mainly used in portable ...[Details]
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A voltage regulator has voltage output but the voltage is not stable (the voltage meter indicates an unstable state) 1. The voltmeter is broken or inaccurate. Use a multimeter to measure the output ...[Details]
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In STM32, there are five clock sources: HSI, HSE, LSI, LSE, and PLL.
①. HSI is a high-speed internal clock, an RC oscillator, with a frequency of 8MHz.
②. HSE is a high-speed external clock, which c...[Details]
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In the era of intelligent driving, safety comes first.
Are vehicles equipped with lidar really safer to drive? International insurance giant Swiss Re has given a positive answer using a ...[Details]
Security Electronics
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