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When we design a single-chip microcomputer circuit, the number of IO ports of the single-chip microcomputer is limited, and sometimes it cannot meet our design requirements. For example, our STC89C52...[Details]
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On November 16, 2017, Baidu Chairman and CEO Robin Li said at the Baidu World Conference: "If the ticket for driverless cars has already come, how far can the mass production of driverless cars be?...[Details]
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K214/J77 Single-ended Headphone Amplifier The single-ended amplifier circuit is a model of exchanging efficiency for sound quality. The circuit introduced below is a single-ended headphone ampli...[Details]
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How to use an analog multimeter 1. Preparation The multimeter should be placed horizontally; adjust the "mechanical zero adjustment" screw so that the pointer indicates zero; insert the red tes...[Details]
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1 Overview In China's energy consumption, industry is the largest energy consumer, accounting for about 70% of the total national energy consumption. The "Proposal of the CPC Central Committee on For...[Details]
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1. Project Overview
1.1 Introduction
At present, wave soldering and dip soldering are generally used to solder plug-in circuit boards. Although wave soldering machines have fast soldering speed a...[Details]
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1. Determine whether the circuit or device is energized The digital AC voltage range is very sensitive, and it can display even a small induced voltage around. Based on this feature, it can be used a...[Details]
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Function 2: Wake-up alarm
It doesn't matter if you don't have an NFC tag. You can buy similar tags online now. They are cheap and only cost a few dollars. You can buy three or five and stick them...[Details]
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Oscilloscope waveforms represent real electronic signals. When evaluating an oscilloscope's performance, you can look at its ability to display a waveform with the same shape as the target signal. As...[Details]
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The electrical integrity of the grounding device refers to the electrical connectivity between various electrical equipment that should be grounded in the grounding device, and between various parts ...[Details]
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Halogen MR16 lamps (MR16 means the lamp cup diameter is 50mm) are widely used in professional warehouses and interior decoration lighting. The power consumption of commonly used halogen MR16 lamps ...[Details]
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How can you avoid walking the same old path when you’re wearing new shoes? In April 2014, after launching into space, the first stage booster of SpaceX's Falcon 9 rocket successfully returned to Ea...[Details]
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Abstract: The protection system of DC switching regulated power supply is discussed, the principles of protection system design and measures for whole machine protection are proposed, the character...[Details]
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The emergence of far is to support the newly emerged 8051 family enhanced MCUs, which may have more than 64KB of memory. Use far to access the extended RAM, and use const far to access the extended R...[Details]
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The various controllers in new energy vehicles mainly include: vehicle control unit (VCU), engine control unit (ECU), motor control unit (MCU) and battery management system (BMS).
The th...[Details]
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