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The previous article mainly talked about the module loading and unloading functions of the touch screen device as a platform device in Linux, as well as the corresponding probe function and remove fu...[Details]

At the recent Apple conference, the iPhone series, iPad series, and Apple Watch series all received product line updates. However, due to Apple's increasingly weak confidentiality in recent years, mo...[Details]

To control the ARM 12C bus interface, you need to configure the bus control register (rIICCON), bus status register (rIICSTAT), bus transmit and receive shift register (rIICDS) and bus addres...[Details]

1 System Design Principles     Figure 1: AC servo shearing system of Kangerda Company Assuming the length to be cut is S, the circumference of the active roller is L, and the number of turns of the ...[Details]

The automobile industry is facing changes unseen in a century. Under the "double carbon" goal, the popularity of new energy vehicles is unstoppable. Li Xiaohe, NXP's global vice president and general...[Details]

    I once tested the KEILC compiler by looking at the disassembled code. Here is what I found and I came to some conclusions. (1) Global variables: If a global variable is defined in the program, an...[Details]

Matrix keyboard control based on ZLG7290, suitable for MSP430, using interrupt mode to query keys. ZLG7290 also has a digital tube display function, but my level is limited and it has not been impleme...[Details]

On the morning of March 8, a 5-ton container cargo loaded with a set of the country's most advanced magnetic levitation flywheel UPS emergency power supply equipment departed from Shenyang Microcon...[Details]

As the automotive industry ushers in a new wave, it is not uncommon for automakers to band together and form strong alliances. Recently, General Motors and Honda, two major automobile brands, reached...[Details]

51 MCU has a pin called EA (pin 33) as the on-chip program memory selection signal. When using the MCU with program memory 8751, /EA (pin 33) must be grounded, that is, low level is effective. The ...[Details]

First, let’s look at what Teacher Shao wrote in his book. It says: In μC/OS, the interrupt service subroutine must be written in assembly language. However, if the C language compiler used by th...[Details]

The absorption of light energy by liquid in a cuvette is a key link in biochemical analysis. The quality indicators of cuvettes mainly include the optical properties of the light-transmitting glass...[Details]

　　Today's society is a digital information age. Credit card numbers, telephone voice dialing, personal ID numbers, electronic passwords, etc. all have digital features. At the same time, with the dev...[Details]

The anti-lock brake system (ABS) of a car is to automatically control the braking force when the car brakes, so that the wheels are not locked and are in a state of rolling and sliding (slip rate is ...[Details]

Today, let’s take a look at the BMS control board used on the Changan Deep Blue SL03, as shown in the figure below. Its battery pack looks like the picture below. You can see that there ...[Details]