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Recently, Shanghai Jiading Industrial Zone welcomed a group of high-tech enterprises, and 16 projects with a total investment of 23.2 billion yuan were signed and settled in. It is understood that ...[Details]
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Migration environment 1. Host environment: CentOS 5.5 under VMare, 1G memory. 2. Integrated development environment: Eclipse IDE 3. Compilation environment: arm-linux-gcc v4.4.3, arm-none-eabi-gcc v4...[Details]
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The common-mode interference and differential-mode interference of a switching power supply have different effects on the circuit. Usually, differential-mode noise dominates at low frequencies, a...[Details]
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This circuit uses an attenuator field effect transistor (FET) to shunt the signal to ground. The R2 is used to control the output level (attenuation level), but you can use other sources of voltage s...[Details]
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main content • Linux architecture • Linux kernel structure • Linux kernel source directory structure Linux Architecture As can be seen from the above figure, the Linux architecture consists of...[Details]
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1. Introduction
In addition to the stepper motor, the control system based on the stepper motor generally requires a special drive power supply. The drive power supply only completes the power ...[Details]
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Since 2010, developed countries such as Europe, the United States, and Japan have begun to implement laws to ban incandescent bulbs. The reason for the laws is to restrict light sources with low lu...[Details]
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Digital multimeter is a powerful assistant for measuring electrical signals. Although it is a "multimeter", its common functions are only to measure voltage, current and resistance. Voltage and cur...[Details]
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Abstract: A new type of inductive sensor device is studied, focusing on the working principle and basic structure of the sensor, the block diagram design of the aperture recognition system, experiment...[Details]
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Turbo code is a major breakthrough in the field of error correction coding of communication systems in recent years. It has won the favor of many scholars with its superior performance close to the...[Details]
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To use a 32.768 kHz watch crystal as the device clock source, the low frequency crystal oscillator must be selected by setting the CKSEL fuse to “1001”. The crystal connections are shown in Figure 19...[Details]
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This paper takes the STC12C5A60S microcontroller as the core and uses its internal two-way programmable counter array (PCA) modules to simulate the pulse width modulation method. It designs and imp...[Details]
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Carbon Monoxide Gas and Carbon Monoxide Detector
Non-occupational carbon monoxide poisoning incidents refer to carbon monoxide poisoning caused by heating or heating systems in ...[Details]
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1. Basic knowledge of LED wire welding requirements 1. Purpose Under the combined action of pressure, heat and ultrasonic energy, the gold wire forms a good ohmic contact between the chip e...[Details]
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The market demand for lithium iron phosphate continues to be strong, and its market share has hit a new high. According to the data from the Power Battery Application Branch, the domestic power bat...[Details]
Analogue and Mixed Signal
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