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In this article, we will mainly introduce how to make a digital music box based on ATtiny85, which can play music stored in the memory card in MIDI format: The notes sound like a broken music box ...[Details]
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One approach to driving high-brightness LEDs is to modify the standard boost converter topology to drive a constant current through the load. However, this implementation presents a serious problem b...[Details]
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The servo drive drives the actuator motor under the control signal, so whether the drive can work properly directly affects the overall performance of the equipment. In the servo control system, th...[Details]
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This article is only for beginners, experts please skip it! 1. Experimental purpose Use the IO port of the microcontroller to control the buzzer and learn how to control the buzzer....[Details]
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On July 18, Jiangsu Beiren stated on the investor interaction platform that developing energy storage business is an important strategic layout of the company. The company adopts an integrated busi...[Details]
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In order to control various parameters such as preheating time, minimum and maximum driving frequency, and normal operating frequency, some resistors and capacitors must be connected to the control...[Details]
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What is PSRR? PSRR (Power supply rejection ratio), also known as power supply rejection ratio, is an important parameter to measure the circuit's suppression of ripple in the input power supply. It i...[Details]
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With its new strategy in processing, mobility and storage, Marvell demonstrated the latest secure automotive Ethernet and edge computing as well as complete IEEE 802.11ax wireless connectivity soluti...[Details]
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1. Familiar with the GPIO structure The following structure is what I got from the official manual: view plain copy print? typedef struct { u16 GPIO_Pin; GPIOSpeed_TypeDef GPIO_Speed; GPIOMode_Typ...[Details]
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The difference between passive and active AC current probes: The head of an AC passive probe is actually a coil of wire wrapped around a magnetic core. When the probe head is held in a specified or...[Details]
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Sina Digital News, November 19th morning news, the day before yesterday, Huawei officially announced the sale of the Honor brand, what will happen to the upgrade and after-sales problems of Hono...[Details]
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1. LCD1602 1. Pin display (II) Interpretation of pins Interspersed: 1602: Meaning: can display 2 rows and 16 columns of characters (III) Timing diagram 1, How to see: First make a vertical line...[Details]
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According to Bloomberg reporter Mark Gurman, Apple is still developing a new HomePod product that combines a speaker, Apple TV functionality and a FaceTime camera. In the Q&A section of the...[Details]
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With the rapid development of society, our living standards are constantly improving, and there have been great improvements in food, clothing, housing and transportation. The same is true for travel...[Details]
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Abstract:
In the digital control method of power chip, delay link is often introduced. After the delay link is introduced, the method of analyzing circuit response, especially quantitative ca...[Details]
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