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Battery capacity is an important indicator of battery quality. There are many ways to test the capacity of rechargeable batteries. According to the discharge curve of the battery, a short-term discha...[Details]
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According to Qichacha, on October 18, Shenzhen HGI Beidou Technology Co., Ltd. (hereinafter referred to as "HUADA Beidou") underwent changes in shareholders and main members, with the addition of BYD...[Details]
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With the rapid development of science and technology, biometric technology has gradually penetrated into daily life. Traditional cameras, ultrasonic detection, etc. have been gradually replaced by bi...[Details]
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On October 25, the world's first flying stack short blade 325Ah energy storage battery cell of Honeycomb Energy rolled off the production line at the Chengdu base, marking that Honeycomb Energy has...[Details]
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The role of the isolation transformer
Some people who listen to music often add an isolation transformer with a large power capacity to the power supply, such as HP's SKVA or ...[Details]
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This document introduces the experimental steps of calling shell commands in linux-C under the linux system environment. The "iTOP-Development Board-MiniLinux-SHELL_V1.0.zip" together is the C progra...[Details]
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introduction The single bus technology combines the address line, data line and control line into one line, and allows multiple single bus devices to be connected to the line. Its search ROM comman...[Details]
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STM32 serial port transmission must first detect the status, otherwise the first byte cannot be sent. After the transmission is completed, it is necessary to detect whether the transmission status is ...[Details]
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This article is based on the MXT8051 microcontroller independently developed by Beijing Times Minxin Technology Co., Ltd., making full use of its internal resources and rationally selecting periphe...[Details]
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Ultrasonic car reverse parking anti-collision alarm is an important application of ultrasonic ranging. When the car is reversed, the reflection of ultrasonic waves can be used to detect the distance ...[Details]
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Nokia's Lumia phones on sale will not be able to upgrade to WP8 system
Last week, Microsoft's (Weibo) Windows Phone 8 system was launched in a grand ceremony, attracting the attention of the...[Details]
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1. GND (Ground) on the circuit diagram and circuit board represents the ground line or zero line. GND means the common terminal, or the ground, but this ground is not the real ground. It is a groun...[Details]
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There are many kinds of current probes on the market, which are widely used. The basic principle is that the current flowing through the wire will generate a magnetic field around it. The current pro...[Details]
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1. 80C51 Timer/Counter
The timer/counter is an important component of the single-chip microcomputer system. It has a flexible working mode, simple programming, and is easy to use. It can be used to...[Details]
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1. Preparation of startup documents
$ NOMOD51 ; Ax51 macro assembler control command: disable predefined 8051
; Customize the storage area that needs to be initialized after power-on
...[Details]
ARM Technology
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