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The spectrum analyzer is one of the commonly used electronic measuring instruments. Its function is to distinguish each frequency component in the input signal and measure the frequency and power of ...[Details]
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On the afternoon of June 13, 2019, the NI Satellite Test Summit Forum was successfully held in Beijing. The forum was co-organized by National Instruments and the China Satellite Application Conferen...[Details]
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Battery internal resistance tester Model:TKXNZ Name: Battery internal resistance tester, battery internal resistance detector, battery detector, battery tester TKXNZ battery internal resistance teste...[Details]
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introduction
Liquid crystal display (LCD) has many advantages that other displays cannot match, such as low power consumption, small size, light weight, and ultra-thinness. In recent years, it...[Details]
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When using the serial port of the PIC16F1825/9 chip to receive data, a problem is encountered. When the serial port receives data quickly, the serial port may freeze. That is, the program runs normal...[Details]
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Drunk drivers trying to dodge a breathalyser test should beware, as researchers have developed a laser device that can remotely detect whether a driver is drunk or not. The laser beam is fired fr...[Details]
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void wwdg_init(void) { LPC_SC- PCLKSEL0 |= (3 0); //The frequency division is eight LPC_WDT- WDCLKSEL &= ~(3 0); LPC_WDT- WDCLKSEL |= (1 0); //Set wdt clock to apb LPC_WDT- WDCLKSEL |...[Details]
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At present, the commonly used automotive batteries are mainly divided into three categories, namely ordinary batteries, dry-charged batteries and maintenance-free batteries.
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In our work, we often encounter equipment that requires inching control and continuous control. We can achieve control of the equipment in three simple ways.
Inching and continuous contr...[Details]
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In recent days, the Party Committee of State Grid Shaanxi Electric Power Company has organized party organizations at all levels of the company to thoroughly study and implement the spirit of the F...[Details]
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Target The goal of this experiment is to design and build an audio amplifier that takes a small output voltage from an electret microphone and amplifies it to drive a small speaker. background kn...[Details]
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This paper presents a novel, fully automatic digital display design for measuring RF frequency by using the pre-divider SAB6456A and the high-speed digital divider 74HC390, combined with the new MS...[Details]
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It turns out that there is a difference between -16PU and -16PI:
1. The letter following the model number indicates the voltage operating range. With "L": 2.7-5.5V; if omitted, without "L": 4.5-5.5...[Details]
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O Introduction
There are many data acquisition cards on the market, but their applications have certain limitations and cannot fully meet the needs of users. The data acquisition card intr...[Details]
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On October 29, Xiaomi launched two new models, Xiaomi 15 and Xiaomi 15 Pro, at a new product launch conference, both equipped with Goodix's ultrasonic fingerprint recognition solution. This is the ...[Details]