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Specific implementation functions The system consists of STC89C52 microcontroller + 5x4 key module + LCD1602 liquid crystal display + power supply. Specific functions: Using a 5×4 matrix keyboard...[Details]
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Some characteristics of GPIO, translated from ST's reference manual 1. 16 groups of IO available 2. Push-pull/open-drain + pull-up/pull-down 3. Data can be output from ODR or external devices 4. Each...[Details]
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1 Introduction
The general structure of an organic electroluminescent (EL) device, or organic light-emitting diode (OLED), is to sandwich a layer of organic electroluminescent medium bet...[Details]
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The selection of orifice flowmeters is gradually becoming more modern and intelligent, with the following main features:
1. Pay attention to reliability design. Reliability theory is widely used in v...[Details]
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Solid-state power amplifier SSPA (Solid State Power Amplifier) has the advantages of small size, light weight, low working voltage and high stability. It is widely used in various fields and occ...[Details]
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US media recently revealed that the US is stepping up its digital penetration of Russia's power grid and can launch cyber attacks without the approval of President Trump. The relevant news has attr...[Details]
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What are the characteristics and advantages of the PIC series of microcontrollers? Since I came into contact with PIC microcontrollers in 1995, I have been keen on the development and application...[Details]
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Recently, it was learned from informed sources that Audi officially canceled its L3 autonomous driving research and development project at the end of 2019 and instead turned hundreds of employees in ...[Details]
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In embedded development, we often compile busybox to create rootfs, and then run executable programs on it. So how can we modify the configuration to make a rootfs compatible with both 32-bit and 6...[Details]
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The IO pins of the microcontroller will definitely be used when using it. Take the P1 port of the 51 microcontroller as an example. The internal structure is shown in the figure When the microcont...[Details]
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5G will greatly promote the upgrading of consumer electronics, automotive electronics, home appliances and other industries represented by smart mobile terminals such as mobile phones, and will deton...[Details]
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On March 29, Wingtech Technology issued an announcement stating that it had signed a relevant agreement with OFILM and its subsidiaries, intending to purchase 100% of the equity of Guangzhou Delta Im...[Details]
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introduction
In the Fencar smart car competition where speed determines the superiority, any factor may affect the operation of the car. In order to meet the needs of accurate analysis of various...[Details]
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The revival of functional testing technology is the inevitable result of the miniaturization of surface mount devices and circuit boards. Once any system is small enough to be difficult to detect i...[Details]
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Design reuse greatly improves the efficiency of chip design. In order to keep up with the pace of design, testing must also adopt similar reuse technology. This article takes Philips Semiconductor'...[Details]