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With the rapid development of automobile technology, wireless charging of mobile phones has become a new standard for in-vehicle equipment. This function is becoming more and more popular in both l...[Details]
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Pointer multimeter is the most common multimeter. Different models of multimeters only have certain differences in the detection range and structure, but the detection functions are basically the sam...[Details]
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1Written in front In order to make it easier for beginners to master the relevant knowledge of the IAR tool, I will start with an overall overview and then move on to specific details. This articl...[Details]
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According to the latest news, Apple is very likely to release new iPhone products on September 10, including the high-end iPhone 5S and the cheap iPhone 5C. Among them, a lot of leaked information sh...[Details]
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With the promotion and application of dry-type transformers, their production and manufacturing technology has also made great progress. It can be predicted that dry-type transformers will achieve ...[Details]
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The triggering ability of the bidirectional thyristor can be easily checked by using the hFE socket of the digital multimeter. The method is shown in the figure. The figure shows the appearance of a s...[Details]
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The latest report from TheElec said that BOE has not yet obtained Apple's approval to manufacture OLED panels for the iPhone 14.
Previously, the same source said that BOE basically did not sup...[Details]
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1. Purpose Due to project requirements, it is necessary to realize the communication between the S3C2440 serial port and the PC. Through the serial port communication examples in the experiment manua...[Details]
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Voltage Amplification vs. Current Amplification
To make a voltage amplifier stage, a circuit with voltage gain with common emitter or common base and source ground or gate ground can usual...[Details]
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There are many advantages of DC UPS
power supply. The first is energy saving. DC UPS simplifies the double conversion (AC-DC-pin) of ordinary UPS into AC-DC single conversion, which ...[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-linux-gnue...[Details]
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Stripping length When all terminals are crimped for the first time, a reasonable stripping length must be set to avoid inadequate crimping and excessive exposure of the core wire. The design of t...[Details]
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Some time ago, I studied how to use busybox to compile and generate the simplest Linux root file system (rootfs), and use the NFS network file system to mount and start it on the mini2440 development...[Details]
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In recent years, flexible wearable electronic products have attracted much attention due to their application prospects in health monitoring, motion detection, and human-machine interface. As a tra...[Details]
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1. Exception vector table:
Contains: 1. Exception definition
2. Exception Type
3. Abnormal entrance
4. Vector table
First, the exception definition is in the ARM Architectu...[Details]
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