GR8874

    1 Introduction     Small conference system or voice group chat system is composed of multi-channel audio circuits. In order to make the call orderly, it is necessary to control the output of each...[Details]

There are two types of controllers used in air conditioning automatic control Both programmable controller PLC and direct digital controller DDC are composed of CPU module, I/O module, display...[Details]

      Recently, Apple released the official version of iOS 13.7, version number 17H35. 　　According to the update notification, iOS 13.7 specifically adds the COVID-19 coronavirus exposure notificati...[Details]

"The country will accelerate the training of graduate students in artificial intelligence" has become a hot topic. The Ministry of Education has announced the registration and approval results of und...[Details]

1. Create a project 1. Create a workplace first. Select File New Workplace 2. Create a new project, select Project Create New Project, if you are using IAR FOR STM8, there is no need to change the ...[Details]

According to the State Grid Corporation's "12th Five-Year Plan for Smart Grid", the State Grid will install 230 million smart meters during the 12th Five-Year Plan. According to a research report by ...[Details]

During this period, a new problem occurred. The quadcopter would freeze and restart when it was unlocking and taking off, and even the burned code was lost. I changed the MPU and the field control un...[Details]

On March 21, 2024, the Yumen City March 2024 key project and Gansu Xingchen Huarui all-vanadium liquid flow energy storage battery project were grandly launched. Zheng Xianghui, deputy mayor of Jiu...[Details]

The float flowmeter is inexpensive and easy to install, and is widely used in the measurement of small diameter and low-speed media. advantage: Float flowmeters are used for small pipe diameters and ...[Details]

/*The following is the source code that can be mutated in keilC, just paste it directly, both external interrupt 0 (INT0) and external interrupt 1 (INT1) are available*/ /*The program is very simple,...[Details]

The SysTick system timer is a peripheral in the CM3 core, embedded in the NVIC (Nested Vector Interrupt Controller, which controls the interrupt-related functions of the entire chip. It is closely co...[Details]

1. Experimental objectives and requirements　　 Master the principle and control method of dot matrix LCD, master the display method of dot matrix characters, master the analog/digital (A/D) conversio...[Details]

1. Introduction Today, LED lighting is a mainstream technology. LED flashlights, traffic lights and car lights are everywhere, and countries are pushing to replace incandescent and fluores...[Details]

Put a piece of epoxy PCB material in a microwave oven and heat it at full power for 1 minute. It will be heated up significantly by the microwaves. Do the same with a plate of PYREX and it will al...[Details]

Here is an overview of the pros and cons of these motors: 1. Advantages: (1) Low cost: Two-phase permanent magnet (PM) stepper motors are generally less expensive than similarly size...[Details]