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At 8 pm on September 13, the iPhone 11 series will be available for pre-order on the official website and e-commerce platforms such as JD.com and Tmall, and will be delivered to the first batch...[Details]
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At present, flashlights and miner's lamps using white light high-power LED as light source have been widely and ideally applied and have formed a large-scale market. Many lamp manufacturers are usi...[Details]
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On the evening of June 1, vivo held a press conference to launch its new X series mobile phone products, the vivo X50 series. Among them, the X50 Pro is the industry's first mobile phone produc...[Details]
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1. Use proteus to draw a simple circuit diagram for subsequent simulation 2. Programming /*********************************************************************************************************...[Details]
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At present, China's switching power supplies account for 80% of the world market, but we have almost no share in the high-end market. my country is currently short of energy, and the power supply i...[Details]
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/
*====================================================================
1ms
time
scale hybrid scheduler (one preemptive task, multiple cooperative
tasks
)
Author
:
shadow.hu...[Details]
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In this lecture we mainly introduce how to install Keil5 and STC-ISP one There are many versions of Keil5 software. What we are learning now is the 51 microcontroller, so we have to choose the...[Details]
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//Hexadecimal decimal conversion program
unsigned char d ; //10-bit display buffer for display
//==========================================================
//Hexadecimal to decimal output ...[Details]
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1. References "STM32F1 Development Guide - Library Function Version" - Chapter 13, 14, 15 "STM32 Chinese Reference Manual V10" - Chapter 14 General Timer 2. Overview of General Time...[Details]
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This is a 0-5V voltage meter electronic production that uses ADC0809 as A/D conversion, four-digit common cathode digital tube for display, and AT89C52 as the single-chip computer . This ADC0809 (in ...[Details]
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Fuel cells use hydrogen to generate electricity while emitting only water as a by-product. However, the production methods for high-performance catalysts are complex and require the use of relatively...[Details]
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According to MacRumors, Apple's event on the 23rd of this month is expected to release a new iPad Pro. Rumor has it that at least one accessory manufacturer has already started preparing. A ...[Details]
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The "Outline of Key Construction Tasks for Ubiquitous Power Internet of Things in 2020" (hereinafter referred to as the "Outline") recently issued by State Grid Corporation of China pointed out tha...[Details]
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1 Introduction
Switching power supplies are small, light, and highly efficient, and are widely used in communications, automatic control, household appliances, computers, and other electronic dev...[Details]
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As the integration of electronic devices increases, the density of electronic devices inside the controller is also increasing, and its heat dissipation problem has become particularly critical. Th...[Details]
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