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1. Digital tube display principle: The digital tube is actually composed of 8 LEDs, divided into a, b, c, d, e, f, g, dp, and the digital tube is divided into common cathode (left, high level light...[Details]
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Most power factor correction (PFC) power stages operate in critical conduction mode (CrM), which controls the inductor current to ramp up from zero to a desired peak level and then back down to z...[Details]
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The development of automobile chassis has gone through the evolution process of mechanical chassis, to mechanical chassis + electronic control system , and then to wire-controlled chassis. On Novem...[Details]
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On October 14, TCL Technology released its performance forecast for the first three quarters of 2021, expecting a net profit of 13.05 billion to 13.35 billion yuan in the first three quarters, a year...[Details]
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Four models of Apple's first 5G-enabled iPhone 12 series have been certified by the Brazilian National Communications Administration (ANATEL). According to data released by ANATEL, Foxconn, Apple's m...[Details]
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As the market is rushing to buy, as a consumer, you still need to be calm and scientific when choosing LEDs, and choose the light sources and lamps with the best cost performance. The following int...[Details]
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1. Introduction
Smart trash can is a new type of smart home appliance developed by transforming traditional trash cans based on automatic control technology and Internet of Things technology, ...[Details]
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In-System Programmable Flash Program Memory The ATmega32 has 32K bytes of in-system programmable Flash for storing program instruction code. Since all AVR instructions are 16 or 32 bits, the Flash is...[Details]
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The most commonly used debugging methods are JTAG and SWD. JTAG: JTAG (Joint Test Action Group) is an international standard test protocol (IEEE 1149.1 compatible), mainly used for internal chip t...[Details]
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PONY Testing Group has CMA and CNAS qualifications for metrology and calibration. It can provide equipment factory inspection and various container and measuring tool calibration services for fast-...[Details]
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The frequency converter is an electric energy control device that uses the on-off function of power semiconductor devices to convert the industrial frequency power supply into another frequency. The ...[Details]
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In the field of automotive electronics, MCUs are widely used, ranging from body control and powertrain to windshield wipers and window control units. However, automotive products must be highly relia...[Details]
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1 Background In principle, the luminescence phenomenon of semiconductor devices can be roughly divided into three types: photoluminescence, electroluminescence, and cathode ray luminescence. The firs...[Details]
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Contents The embodiments of the present invention relate to the technical field of flow measurement, and in particular to an ultrasonic flow meter. Background of the Invention As one of the most ad...[Details]
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In the beginning, since I have already learned the bare metal program of JZ2440V3 development board, I want to test the learning results, so from today on, I will test the knowledge points I learned ...[Details]