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The annual 618 Shopping Carnival is about to start. The right way to start the 618 shopping carnival is to buy your favorite products at a preferential price. Among them, video products are definite...[Details]
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51 single chip microcomputer stepper motor /*********************************************************** ULN2003 drives 5V deceleration stepper motor program Target:STC89C52RC-40C Crystal:12MHz Autho...[Details]
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While the 2nd edition of IEC 60601-1 covered “essential performance,” the 3rd edition defines it in further detail as “performance necessary to avoid unacceptable risk.” The manufacturer is responsib...[Details]
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The transmitter provides an optical link (infrared) for the headphones. The three infrared LEDs (IR) are current polished by T1 and P1 is used to adjust the current level. The current consumption o...[Details]
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Broadcom Integrated released its first semi-annual financial report after its listing. The announcement showed that the financial report showed that in the first half of 2019, the company achieved ...[Details]
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March 20, 2024 – Mouser Electronics, a global authorized agent of electronic components and industrial automation products that focuses on introducing new products, will start selling MEAN WELL’s HRP...[Details]
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Electret microphone parameters
The parameters of the various performance indicators of electret microphones mainly include the following:
(1) Operating voltage (UDS). This refers to the m...[Details]
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1 Challenges of LED lighting design
At present, the digital revolution of the global lighting industry is coming, and energy-efficient LED lamps will replace incandescent, M16 halogen and ...[Details]
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China Energy Storage Network News:
Recently, the National Development and Reform Commission released the temporary UHV DC transmission prices for Shaanxi-Hubei and Ya'an-Jiangxi. This is th...[Details]
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1Understanding Thumb-2 First, let's start discussing energy-saving technologies from a seemingly non-obvious starting point - the instruction set. All Cortex-M CPUs use the Thumb-2 instruction set, w...[Details]
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Digital power supply is different from common analog power supply. The former uses digital PWM, a smaller chip integrating digital MOSFET and DRIVER, and a smaller digital row inductor, with multiple...[Details]
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The purpose and function of equipment testing is to reduce and avoid interference from the source. With the development of radio communication technology, the electromagnetic environment is becoming ...[Details]
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Next, we will introduce the enumeration of USB devices. Enumeration is to read various descriptor information from the device, so that the host can load the appropriate driver based on this inform...[Details]
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Working principle of the external liquid level switch: The working principle of the external liquid level switch is to emit ultrasonic waves through the instrument measuring probe and detect its afte...[Details]
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1 Introduction UPS (Uninterruptible Power System) AC power supply is increasingly widely used in various fields of the national economy. This article will introduce a practical and simple online UPS...[Details]
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