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The upcoming Redmi 9 (model number M2004J19G) has been spotted on multiple places including the Google Play Console, China's 3C certification platform, Thailand's NBTC certification platform, and the...[Details]
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introduction
Flash is a non-volatile memory that can retain data for a long time under power-off conditions. Due to its large capacity, fast speed, low power consumption, and good shock resis...[Details]
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To operate the OLED, connect to the OLED through three lines (SCK, DO, CS). There is no DI here because 2440 only transmits data to the OLED but does not receive data.
gpio_spi.c implements gp...[Details]
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Advantages of RCC dimming : There is no doubt that without IC, 2~4 IC prices are saved, and the cost is the lowest.
Disadvantages of RCC dimming: 1. Abnormal current output when connected to a dim...[Details]
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If the engine is compared to the heart of a fuel vehicle, then the battery is the core of life for new energy vehicles. In other words, whoever breaks through the key technologies of new energy vehic...[Details]
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I recently used timers in a project, so I decided to relearn them. I used them only for simple pwm generation and interrupt processing before, and never studied them in depth. Today, I took this oppor...[Details]
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The delta flowmeter is an insertion flow measurement instrument . A delta sensor is inserted into the pipeline. When the fluid flows through the sensor, a high-pressure distribution area is generated...[Details]
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Pin Name Pin Function Description VCC Power positive GND Power Ground Port B (PB7..PB0) Port B is an 8-bit bidirectional I/O port with programmable internal pull-up resistors. Its output buf...[Details]
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main.c #include reg52.h #define uchar unsigned char #define uint unsigned int sbit Start = P3^0; sbit EOC=P3^1; // sbit OE=P3^2 ; // uchar code table = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,...[Details]
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Noise is ubiquitous in hardware circuits and will have varying degrees of impact on circuit performance and waveform measurement. For signal analysis, noise signals affect or even drown out actual si...[Details]
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Leading the infinite possibilities of the future, Rockwell Automation is ready to make its debut at the CIIE! A 360-degree intelligent manufacturing feast, Rockwell Automation made a grand appearan...[Details]
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Overview of the Development of Acoustic Emission Technology
Acoustic emission and microvibration are both natural phenomena that occur at any time in nature. Although it is impossible to verify ...[Details]
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The 51 microcontroller is a chip widely used in embedded systems and has extremely high cost performance and versatility. Understanding the internal resources and working timing of the 51 microcontro...[Details]
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With the combination of 5G and AI, the development of industrial Internet of Things has entered the "fast lane". The connection between people, people and things, and people and the Internet of Thing...[Details]
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Temperature probes and temperature sensors are two different devices that have their own characteristics and application scenarios in measuring temperature. This article will introduce the differen...[Details]
Analogue and Mixed Signal
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