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0 Introduction
Metallographic cutting machine is one of the important equipment in the process of metallographic sampling and analysis. It is mainly used for cutting metallographic samples and ...[Details]
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PWM The driving mode of the two-digit digital tube is dynamic scanning, and each bit is only lit for 50% of the time. We call this value its duty cycle. Let the pin output high level to light up the ...[Details]
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Preface: I have rarely used OLED for a long time, and even if I did, I would refer to the code of experts. Recently, I had to study it again carefully. Write it down so that I don't forget it. Th...[Details]
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A netizen on Zhihu asked a question called "How do you view OPPO's success?", which attracted a lot of attention. Among them, the answer of @飞傲James, a former OPPO employee, current OPPO shareholder,...[Details]
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According to foreign media reports, senior U.S. government cabinet officials agreed to take new measures to restrict Huawei's global chip supply chain, which may include some key industry chain manuf...[Details]
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Experiment 2: Configure MCLK and SMCLK to XT1 (XT1 of F5529 is 32.768KHZ)
/*1. Configure IO ports 5.4 and 5.5 to XT1 function. */
/*2. Configure XCAP to XCAP_3, i.e. 12PF capacitor. */
/*3. Clear X...[Details]
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The microcontroller source program is as follows: /****************************************Copyright (c)**************************************************** ** **--------------File Info------------...[Details]
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With the development of economy and the improvement of people's living standards, people have higher and higher requirements for quality of life and health. Air humidifiers have gradually entered m...[Details]
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The purpose of network analyzer calibration is to eliminate the system error of the test. The idea of calibration is to obtain the specific value of the network analyzer system error term by testin...[Details]
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With the rapid development of modern automobiles, the number of automotive electronic devices continues to increase. The traditional wiring method is far from meeting the requirements of the increas...[Details]
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1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have sin...[Details]
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1 Pin arrangement and main features of P87LPC767
P87LPC767 is an OTP series microcontroller launched by PHILIPS Semiconductor Company. It adopts a 20-pin package and can provide high-speed and low...[Details]
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1. Characteristics and applications of low noise amplifiers LNA is mainly used to amplify weak signals, amplify the weak signals received by the antenna from the air, and reduce noise interference so...[Details]
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Abstract: A driving circuit for controlling multiple PZTs (piezoelectric ceramics) based on C8051F005 single-chip microcomputer is designed. The serial data transmission method is adopted, and the ...[Details]
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Figure 30V power supply schematic The difference between the battery capacity meter and other instruments is that it can only use batteries as power sources. However, due to the changes and fluctu...[Details]