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The 51 single-chip microcomputer is used as the main control chip. Two 51 single-chip microcomputers communicate through 24L01. One detects the dripping speed of the bottle. If it is too fast, too sl...[Details]

Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]

According to Hong Kong's Sing Tao Daily, scoliosis of unknown cause affects 3% to 5% of Hong Kong's youth, and the incidence rate has increased in recent years. In order to detect scoliosis problems ...[Details]

Low voltage difference, high efficiency, smooth dynamic response, stable and pure voltage output, and the ability to effectively suppress the very "dirty" noise from the public power grid, etc., are m...[Details]

Overview: The frequencies involved in electromagnetic compatibility measurement include all radio wave propagation characteristics such as surface waves, reflected waves, and linear propagation. Ra...[Details]

1.Application background Electrical pyrotechnics use electrical energy as the initial excitation energy to cause the combustion or explosion of the agent inside the pyrotechnics. They are widely used...[Details]

I. Overview The previous article talked about the configuration related to ST chips and OS tailoring. Following the previous article, I will talk about the porting of UCOS. This article mainly talks...[Details]

Smart cars are the product of the combination of intelligent systems and the automotive industry. They are a comprehensive system that integrates computers, sensors, automatic control, artificial int...[Details]

1. Production of tool chain 1.1 Tools 　　Software tool: crosstool-ng 　　Download address: git clone https://github.com/crosstool-ng/crosstool-ng 　　The crosstool-ng environment requires libncurse5-dev  ...[Details]

RO segment, RW segment and ZI segment             To understand RO, RW and ZI, you need to first understand the following knowledge: The composition of ARM programs .             The "ARM program" ...[Details]

Apple is widely expected to ditch the notch on the iPhone 14 Pro models, but there have been conflicting rumors about the new design, with early rumors suggesting a hole-punch design with Face ID som...[Details]

Overview: In C language, it is very convenient to use printf() for formatted output. For example, printf("%dn",a) can output the value of a in decimal format and then wrap. The prototype of the print...[Details]

According to MoneyDJ, Ericsson published a report on Monday stating that the number of 5G users is expected to grow from 13 million in 2019 to 2.6 billion in 2025, and 5G networks will cover 65% of t...[Details]

　　 O Introduction 　　Stepper motors can perform high-precision control of rotation angles and rotation speeds. As a control actuator, stepper motors are one of the key products of mechatronics and a...[Details]

1. Abstract : SPI interface is widely used. In many cases, people will use software simulation to generate SPI timing or use MCU with SPI function module. However, with the development...[Details]