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In the previous section, we mentioned that the GPIO port can be used as an external interrupt. Today, we will use the USER button on the exploration kit to flip the LED1 light. The external interrupt ...[Details]

FF has been very active recently. First, it hired and updated senior executives, and then announced that the interior of FF 91 will be released to the public. This series of actions seems to indicate...[Details]

introduction SOPC is a programmable system-on-chip solution proposed by Altera. It integrates the modules required for system design, such as CPU, memory, I/O interface, DSP module and phase-l...[Details]

Orifice flowmeter is a commonly used flow measurement instrument, which is widely used in industry, metallurgy, shipbuilding, water conservancy, environmental protection and other fields. When the ori...[Details]

The working principle of the frequency converter is actually quite simple. It is actually a device that controls the power of the motor by changing the frequency of the motor power supply. Its main...[Details]

1. The overall structure of AT89C51 microcontroller 2. External structure of AT89C51 microcontroller 3. Internal structure of AT89C51 microcontroller 4. Pin structure of AT89C51 microcontroll...[Details]

The antenna is the ear of FM DX. The weak radio waves from the antenna enter the receiver through the feeder, so that we can hear the sound of the distant radio station. The antenna accounts for half ...[Details]

The refrigerator compressor may not rotate for the following reasons: 1. Power problem: First check whether the power plug of the refrigerator is plugged in tightly, whether there is electrici...[Details]

Supports wide bandpass, extending from FM band to cellular band It is especially suitable for equipment with high sound quality requirements. Because this product has small resistance, it can cont...[Details]

For the same circuit, if the numbers and directions of the branches and nodes are the same, there is a certain connection between the correlation matrix, loop matrix and cut set matrix written out....[Details]

introduction With the rise of smart grid research and the continuous improvement of urban and rural power grid structures, higher requirements are put forward for distribution network automation. Fee...[Details]

1 Introduction Lung cancer is one of the most common malignant tumors in the world, and its incidence rate has a significant upward trend in most countries. Designing an electronic nose ...[Details]

    1. Overview 　　Mechanical fault diagnosis is a new discipline developed in the past 20 years. It is an important part of modern equipment maintenance technology and is increasingly becoming an im...[Details]

    Preface     With the improvement of the degree of digitalization and the enhancement of functions of televisions, the software upgrade of televisions is becoming more and more important. Various ...[Details]

The differences between servo presses and ordinary presses are mainly reflected in the following aspects: How it works A servo press is a press driven by a servo motor. Its work...[Details]