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Currently, the online QT5.6 migration tutorial is not perfect. This blog describes the detailed steps of migrating QT5.6.0 to embedded Linux boards. The migrated files will be shared on GitHub. 1. ...[Details]

In agricultural production activities, the collection and transmission of temperature and humidity information is a very important function. In the past, it was extensive production, but now it is ...[Details]

Working principle of electromagnetic speed regulating motor governor The electromagnetic speed regulating motor speed regulator is mainly composed of capacitors, relays, potentiometers, contac...[Details]

Normally, the temperature changes that LED guardrail tubes experience every day include not only normal temperature changes, but also solar radiation heating and the associated greenhouse effect....[Details]

　　Programmable power supply refers to a power supply whose certain functions or parameters can be controlled by computer software programming. There are many ways to implement programmable power supp...[Details]

The circuit of the single-chip microcomputer measurement and control system is relatively complex, and there are many reasons for interference. The following are some commonly used anti-int...[Details]

1. The code of the operating system software cannot be too long. 　　Since the system hardware resources of the 51 series microcontrollers are relatively scarce, if the code of the operating system is...[Details]

In stm32f10x.h in ...\CMSIS\Device\ST\STM32F10x, Then find the code snippet corresponding to the microcontroller model in the structure IRQn_Type. For example, STM32F103C8T6 belongs to STM32F10X_...[Details]

Long-term analog timing circuit using FET input type OP amplifier Function of the circuit ICs for timers include NE555 and C-MOS monostable multi-batch oscillator 4538B. Th...[Details]

　Today I finally finished reading uboot stage2. Alas, I felt too deeply: After reading these codes, I know what code is~~ 　The second stage of uboot code is written in C. I thought it would be easier...[Details]

As a liquid level instrument for on-site observation, the magnetic flap level gauge can intuitively reflect the actual liquid level status in the tank without the help of other means. Its convenience ...[Details]

In the previous blog, we used the delay function to make the LED flash. Today, we use the STM32 timer to make the LED flash.  I will not explain the types of 32-bit timers here today. I will write ...[Details]

GTM Research recently published "The Development of Blockchain in the Energy Sector in 2018". The report analyzes the current development of blockchain in the energy sector worldwide and makes four...[Details]

On April 24, Magneti Marelli, a provider of mobility solutions, and Hesai Technology, a company that develops automotive LiDAR, announced a partnership to integrate Magneti Marelli’s innovative hea...[Details]

The reference voltage source is widely used in various analog integrated circuits, digital/analog mixed signal integrated circuits and system integrated chip (SoC). It is a basic component of integ...[Details]