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introduction At present, the A/D used for sampling in the existing magnetometers is mostly 10-bit A/D, which makes its sampling accuracy low, the measurement error large, and the anti-interf...[Details]

Interrupt Nesting  Different MCUs handle nested interrupts in different ways, and should correctly implement nested interrupts according to the characteristics of the MCU used.  According to the usu...[Details]

With the rise of smart devices, people are downloading more content than ever before, which puts a lot of pressure on the network. As a result, wireless operators around the world are facing growing ...[Details]

buttons.c driver source code: // Reference: drivers\input\keyboard\gpio_keys.c  #include "linux/module.h" #include "linux/version.h" #include "linux/module.h" #include "linux/init.h" #include "linux/...[Details]

With the continuous development of intelligent network technology, vehicles and road infrastructure are gradually upgrading towards intelligence and networking, and the information interaction betw...[Details]

According to Reuters, on Monday local time, US President Trump held a meeting with the CEOs of seven companies, including Intel, Qualcomm, Google, Micron, Cisco, Broadcom and Western Digital, and agr...[Details]

A variable frequency motor is a motor that controls the motor speed by changing the power frequency through a frequency converter. The working principle is to convert the AC power supply into an AC...[Details]

According to foreign media reports, autonomous truck startup Locomation announced a new partnership with German automotive parts supplier ZF Friedrichshafen AG to jointly develop advanced electronic ...[Details]

As a commonly used display device, the liquid crystal module has the characteristics of low power consumption, rich display content, and flexible control. Among the medium-sized graphic liquid cr...[Details]

       Most of the OLED12864 displays available now have SPI and I2C interfaces. The I2C communication protocol only requires two buses for communication. The following describes how to use the OLED1...[Details]

1. When selecting a gas flow meter, many factors should be considered, such as fluid properties, instrument compliance, installation application, environmental conditions, economic factors, etc. Among...[Details]

This paper introduces a design scheme of digital display resistance and capacitance measurement system based on 555 timer and single chip microcomputer. The system uses 555 and the resistance or capa...[Details]

Clock driven triangle wave generator   U2, A, C3 form an integrator, Q2, Q3 switch alternately with a period of 256, U2-B, Q4, Q5 and R8-RL1 form a constant current generator, and RL1 is used...[Details]

LEDs cannot be made the same due to their VF characteristics. Some VF values ​​will also change with temperature and current, so they are generally not suitable for parallel design. However, in some...[Details]

Radiated EMI interference can come from an omnidirectional source as well as an unintentional antenna. Conducted EMI interference can also come from a radiated EMI interference source or be caused by ...[Details]