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1. Experimental topic
Guess the number game: The serial port sends one of the HEX data 0x01, 0x02, 0x03 to the 51 microcontroller, corresponding to the key1-key3. After sending the data, the p...[Details]
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introduction
The IO voltage of a general-purpose MCU or DSP is usually 5V3.3V, and the current output capacity of the IO is below 20MA, which is not enough to directly drive the power MOSFET. ...[Details]
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1 Overview The LIN protocol is a new low-cost serial communication bus that has emerged. Its full name is Local Interconnect Network, which is a local interconnect network. It first appeared in the...[Details]
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According to the latest data released by AVC, the average price of color TVs fell by 9.4% year-on-year in the first half of 2019, and the retail volume of China's color TV market was 22 million units...[Details]
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Recently, GAC New Energy released the world's first Beidou high-precision positioning 5G smart pure electric SUV Aion V and announced its official launch. The new car has a total of 5 models, wit...[Details]
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Samsung Electronics officially launched the 108-megapixel sensor ISOCELL Bright HMX, the industry's first mobile image sensor with more than 100 million pixels. Samsung said the sensor is the result ...[Details]
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The magnetic flap level gauge is also called a magnetic column or a magnetic float level gauge. The indicator of the magnetic flap level gauge is installed on the outside or on the tank to indicate a...[Details]
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The idea of using smartphones and sensors to improve healthcare and personal health has been sweeping the industry. Wearable activity monitoring devices such as the Fitbit Surge and Garmin Vivoac...[Details]
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#include "DA1796.h" #define SPI_ID (2) #define SPI2_CS (1 16) /* P0.16 is the chip select pin */ #define CE2_Low() (LPC_GPIO0- FIOCLR |= SPI2_CS) /* Select slave device */ #define CE2...[Details]
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Introduction: Basic principles of synchronous serial port SPI Interface timing diagram of DS1302 Use of DS1302 Use of M16 SPI SPI Basic Principles SPI is the most commonly used synchronous serial...[Details]
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According to foreign media notebookcheck, the Xiaomi 11 Ultra flagship phone has been sold out in India recently. Xiaomi has informed the Indian company that it will not restock in the future. Xiaomi...[Details]
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Application Overview Electromagnetic flowmeters are widely used. Large-caliber instruments are mostly used in water supply and drainage projects. Small and medium-caliber instruments are often used f...[Details]
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Delay light off circuit principle
The circuit working principle of the device is shown in Figure 4. When the push button switch AN is not pressed, the transistor VT has no bias current and is cut...[Details]
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The circuit diagram is as follows: Production instructions: This circuit uses a 15W104 microcontroller to control the fan via an infrared remote controller. When using it for the first time,...[Details]
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Rapidly growing electric vehicle (EV) sales are driving growth in charging infrastructure, which is expected to be worth $40 billion annually across all power levels by 2030. This will provide huge...[Details]