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At the end of July this year, Huawei released the P50 series of mobile phones, which was almost half a year later than the previous pace. The delay of P50 also means that the Mate 50 series wil...[Details]
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On May 25, French research institute CEA-Leti announced the launch of the first automatic imager that can activate smartphones and small appliances through facial recognition or other specific patter...[Details]
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1 Introduction
The car instrument is an important interface for the driver to exchange information with the car. It provides the driver with information such as the car's operating parameters ...[Details]
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Silicon tubes and germanium tubes have very different characteristics and should be distinguished when used. We know that the forward resistance of the PN junction of silicon tubes and germanium tu...[Details]
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According to statistics from the China Association of Automobile Manufacturers, China's production and sales of pure electric vehicles reached 986,000 and 984,000 respectively in 2018, up 47.9% and 5...[Details]
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The solid-state battery craze has arrived, not only helping Huawei and Xiaomi find investment targets, but also means that under the banner of technology, capital has a new game to play. Storytelli...[Details]
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Currently, transporting damaged and defective lithium-ion car batteries is difficult because legislation requires them to be placed in explosion-proof boxes, each of which costs tens of thousands of ...[Details]
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(II) ADC cyclically collects six voltages, using DMA. This experiment was really depressing. My lack of understanding of DMA made me fall into misunderstandings. After understanding it, I admire...[Details]
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Most analog integrated circuits (comparators, op amps, instrumentation amplifiers, references, filters, etc.) are designed to process voltage signals. When it comes to devices that process current sig...[Details]
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1. Introduction The TV image tracker is a simple and intelligent image tracking device. It can extract and separate moving targets in the field of view field by field in a relatively complex ba...[Details]
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Pulse skipping mode (PSM) is a widely used method to improve light load efficiency. We will take the TPS65290 device with PSM mode as an example to introduce how to select the output filter capacit...[Details]
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1 Grating displacement sensor measurement principle A grating sensor composed of a light source, two long gratings (indicator grating and scale grating), and a photoelectric detection device is usual...[Details]
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CISC (Complex Instruction Set Computer) and RISC (Reduced Instruction Set Computer) are two architectures of current CPUs. The difference between them lies in different CPU design concepts and method...[Details]
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Recently, there is a project that needs to use the STM8S103F3 microcontroller. I thought it would be easy before I started, but in practice, I encountered many problems. One of the most confusing pro...[Details]
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In recent years, the sales of new energy vehicles in China have exceeded expectations. In October this year, the retail sales of narrow passenger cars reached 2.261 million units, of which new ener...[Details]
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