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In February 2010, EDN tore down the first LED light bulb. At the time, $20 could buy a 40W 500-lumen, cool-white 5000K, non-dimmable bulb that consumed 7W of power. The warm-white version of the bulb ...[Details]

　　The channel selection function can display the waveforms of different channels on the oscilloscope waveform chart, and can display two signals simultaneously or display two channels separately. The ...[Details]

【Abstract】 The algorithm of ITU-TG. 723.1 standard speech codec and its implementation on ADSP-2181 chip are introduced. The combination of software and hardware realizes the sampling and real-time...[Details]

China Energy Storage Network: This article is translated from the briefing entitled "Low Carbon Heating and Cooling" in the series of documents "Climate Change: Scientific Solutions" publis...[Details]

If the 51 single-chip microcomputer uses a 11.0592MHZ crystal oscillator, then one machine cycle is equal to 12 oscillation cycles (the inverse of the crystal oscillator frequency), that is, each mac...[Details]

Preface 　　In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms of lum...[Details]

　　Since last year, OPPO's sales and market position have grown by leaps and bounds, bringing it into the spotlight of the media. Many media (self-media), including me, have done some analysis on the ...[Details]

First of all, we need to understand the meaning of several most commonly used icons of multimeter: Turn the multimeter knob to the position marked with a beep symbol. Connect the metal parts of t...[Details]

Connected Energy in the UK is one of the world's largest second life BESS companies, and its batteries mainly come from Renault. Image: Connected Energy Nissan, Renault ...[Details]

The most important parameter of a power semiconductor device that reflects its overload capability is the surge current, which is the maximum allowable current amplitude of a half-sinusoidal shape la...[Details]

By connecting a voltage source to the LED through a series resistor, the LED can work normally. As long as the operating voltage (VB) remains constant, the LED can emit light of constant intensi...[Details]

Knut Hufeld, Infineon's senior director of R&D and automotive industry representative for EPI, spoke with journalist Ralf Hartmann about the development of automotive EPI. The European Processor In...[Details]

On the morning of February 23, the Mobile World Congress (MWC2021) officially opened at the Shanghai New International Expo Center. At this exhibition, AAC Technologies (AAC) brought dozens of the la...[Details]

Just now a young man asked the following question on the forum: I am studying the 2440+WinCE5.0 system and am looking at interrupt related topics.  Find the following code in the file 2440init.s  ...[Details]

If Huawei's Mate60 series is far ahead, then its fully liquid-cooled supercharger is a timely rain that went online during the National Day peak to irrigate every pure electric car that is about to d...[Details]