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For many microcontroller beginners, if they want to do some simple experiments by themselves, but they don't have much money to invest and can't afford a programmer. However, now the AT89S5X ser...[Details]
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The article first analyzes the current mainstream 3W LED bulb solution with the largest market share, 3MW isolation. The advantages and disadvantages of this solution are proposed. Based on these a...[Details]
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Because all embedded systems use interrupts, how does my S3C44B0 interrupt process? Then I need to understand the whole process. To understand it in depth, the best way is to write a program and th...[Details]
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The blockchain craze cooled down in the first half of this year. Due to the decline in currency prices and reduced financing, the entire industry was in a downturn, and the talent market naturally ...[Details]
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1. Digital multimeter is a powerful tool for electronic measurement. It can be used to measure the continuity of circuits in daily life. Multimeters are divided into digital multimeters and pointer...[Details]
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Based on the PIC16F639 microcontroller with built-in analog front end, a TPMS transmitter that can be awakened by low frequency is designed. It obtains operation instruction information through low...[Details]
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Note that cache cache memory is distinguished from block device page cache. One is hardware implementation and the other is software implementation, block device page cache. There...[Details]
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Recently, Yunkuai Charge has reached a cooperation with China UnionPay Jiangsu Branch and UnionPay Business Jiangsu Branch. This cooperation is based on Yunkuai Charge's nationwide charging scenari...[Details]
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Four major types of motors
Motors are classified according to their working principles and structural characteristics. Common motor types include the following four:
DC motor: DC mo...[Details]
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P89C669 is a 51MX (memory extension) core microprocessor from PHILIPS Semiconductor. Its instruction execution speed is twice that of the standard 80C51 device. After the linear address is extended...[Details]
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What is the conversion efficiency of a photovoltaic inverter? In fact, the conversion rate of a photovoltaic inverter refers to the efficiency of the inverter in converting the electricity generate...[Details]
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Abstract: This paper describes the characteristics, performance indicators and working principle of MAX1894/MAX1924, analyzes the functions and design requirements of various protection circuits in...[Details]
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The "Three-Year Action Plan for Promoting the Construction of New Energy Vehicle Charging Infrastructure in Xi'an (2020-2022)" was issued. By the end of 2022, the city will basically build a chargi...[Details]
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From the perspective of Tesla, a benchmark company in the electric vehicle industry: on the one hand, the thermal management solution of Model 3 is simplified, and the safety risks under cost pressur...[Details]
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1 Introduction
At present, most of the various switching power supplies used in various electrical equipment adopt indirect DC/DC conversion circuits. It has the advantages of good isolation p...[Details]
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