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① Before use, the model and quantity of the vibrator should be selected according to the measurement needs. Due to manufacturing reasons, the vibrator has nonlinear errors, that is, its deflection ...[Details]
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1 Introduction
Gas detection system is an essential safety equipment in industrial and mining enterprises, social utilities, environmental protection and other fields. After decades of develop...[Details]
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The unipolar drive circuit uses four transistors to drive the two phases of the stepper motor. The motor structure includes two sets of coils with center taps as shown in Figure 1. The entire moto...[Details]
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When most people are shopping for mobile phones, they will carefully select, hoping to spend the least money to buy the most suitable mobile phone for themselves. Whether they are pursuing beauti...[Details]
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What happened to the near collision between US and European satellites? The European Space Agency recently took emergency orbit change operations on one of its satellites, avoiding a "space traffic a...[Details]
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Along with the iPhone 12 and 12 Pro, Apple also unveiled a new MagSafe charger that magnetically attaches to a ring on the back of the device and offers up to 15W of charging power, which is tw...[Details]
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LED (Light Emitting Diode) is also called light emitting diode. It uses solid semiconductor chips as luminous materials. When a forward voltage is applied to both ends, the carriers in the semiconduc...[Details]
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Multi-parameter monitors are widely used in ICU, CCU, wards, operating rooms, etc. At present, my country also has products with independent intellectual property rights, such as Mindray, Jinkewei, ...[Details]
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Select IO mode in STM32
(1) Floating input_IN_FLOATING - floating input, can be used for KEY identification, RX1
(2) Pull-up input_IPU - IO internal pull-up resistor input
(3) Pull-down input_IPD -...[Details]
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Maxim's MAX921 is an input unidirectional 49Ω current-sense amplifier (CSA) with an input range from 0V to 70V and a common-mode range as low as 42V and as high as +80V. With low input current protec...[Details]
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Long before smartphones, modern computer games, and the first generation of game consoles, the best interactive entertainment could only be experienced in arcades. In most countries, arcades were equ...[Details]
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Semiconductor Basics 1. Semiconductor---Material with conductivity between conductors and insulators (such as silicon Si, germanium Ge). 2. Characteristics---Photosensitive, thermally sensitive and ...[Details]
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On December 8, the Xinmalu electric vehicle charging station was put into use. So far, Yiwu has a total of 3 charging stations and two charging buildings in operation.
Yiwu Urban Investment Gr...[Details]
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Although the exam is approaching, I still managed to master the basic operation of DDS in the time, O(∩_∩)O hahaha. From understanding the theoretical principles to downloading and debugging the wave...[Details]
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Life is a mixture of joy and sorrow, and so is business.
Last week, it was reported that Honeycomb Energy decided to suspend the construction of its two
battery
factory projects ...[Details]