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#define OLED_SCLK_Clr() GPIO_ResetBits(I2C_PORT, I2C_SDA_PIN )//SDA IIC interface clock signal #define OLED_SCLK_Set() GPIO_SetBits(I2C_PORT, I2C_SDA_PIN ) #define OLED_SDIN_Clr() GPIO_ResetBits(I2C...[Details]
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In 485 communication, in order to facilitate testing, a test quantity was added to the front end of the 485 chip, but TTL was used for direct communication. However, in the actual PCB test, if the P5...[Details]
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On January 5, Lin Ying, Chairman of Hanlin Holding Group, Yu Youcheng, Chairman of China Sodium Energy Storage, and the China Sodium leadership team visited Baoji City to inspect the China Sodi...[Details]
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Phase shifters are widely used in various circuits, but due to
the deviation in
the amplifier
and the tolerance of the capacitor, it is usually difficult to achieve the precise phase shift requir...[Details]
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At the beginning of 2021, I would like to talk about some of my expectations for the field of data mining and machine learning from the perspective of a practitioner and researcher. First of all...[Details]
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The shutdown mode is selected according to the project needs After entering stop mode, any external interrupt can wake up the low power consumption, but the clock needs to be reconfigured, otherw...[Details]
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OnePlus Q1 and Q1 Pro 4K TVs were launched in India and China at the end of 2019. Half a year later, when many TV brands are launching new products, the new OnePlus TV has also revealed clues. ...[Details]
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IEEE and the IEEE Future Networks Initiative released the first version of the IEEE International Network Development Roadmap (INGR). The group believes that INGR is a reference tool that can help id...[Details]
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Preface: Photovoltaic inverter is one of the two main components of photovoltaic power generation system. The core task of photovoltaic inverter is to track the maximum output power of photovoltaic...[Details]
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By combining artificial intelligence and cutting-edge 3D printing technology, Volkswagen is poised to revolutionize the way automotive components are manufactured. The new technology currently being ...[Details]
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1. LabVIEW part design 1.1VISA Introduction LabVIEW provides a powerful VISA library. VISA (Virtual Instrument Software Architecture) - virtual instrument software specification, is the general name ...[Details]
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Scattering measurement methods are increasingly used for the measurement of complex structures and are gradually becoming dominant in the measurement of spacer layers. Spacer layers on the ...[Details]
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7 operation modes of S3C2440 based on ARM920T 1、User (usr): The normal ARM program execution state 2、 FIQ (fiq): Designed to support a data transfer or channel process 3、 IRQ (irq): Used for general-...[Details]
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1. 485 Hardware Principle The principle of differential pair data transmission IO data transmission → differential pair The transmission distance of RS232 is less than 15 meters, while the trans...[Details]
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Battery packs are increasingly valued as a very important component in the development of new energy vehicles. Converging technologies and production levels and an increasingly saturated market hav...[Details]
stm32/stm8
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