Design requirements of gas concentration detector based on at89s52: (1) Small size, light weight, easy to carry. The circuit uses a single-chip microcomputer as the main controller and is powered by a...
Recently, due to the death of the father of hybrid rice, a wave of learning and exploring hybrid rice has been set off on the Internet.
On the one hand, it is to pay tribute to the father of hybrid ri...
Is it necessary to add OSIntExit() function when the interrupt function, especially Tmr_TickISR_Handler, exits?But I have seen that many interrupts written by others are not added at all, that is, no ...
[p=30, null, left][font=宋体][font=Verdana][color=#a0522d] Linear regulators have long been widely used in the industry. Before switch-mode power supplies became mainstream after the 1960s, linear regul...
I saw it online, I don't know if it has any flashback issues.Baidu Cloud Disk
[hide]Link: https://pan.baidu.com/s/1ZFhK56UXgvfT3jYnrqvTFAExtraction code: 3wx0[/hide]...
[i=s]This post was last edited by ddllxxrr on 2014-8-19 13:21[/i] [p=18, null, left][color=rgb(51, 51, 51)]In the previous mbed digital input and output preliminary application, the user's input was j...
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
1 Introduction
The early stage control system used relay control. Due to the large number of stage equipment, the number of control elements is huge and the wiring is complicated. Therefore, th...[Details]
IP STB interactive services that are constantly updated
The interactive digital content services that can be provided through the television system include television on demand (Vo...[Details]
0 Introduction
The sense of smell is closely related to human life. In daily life, many industries including tobacco, food, cosmetics, etc. still need human sense of smell to identify and judge samp...[Details]
We software engineers love to find the perfect solution to any problem we encounter. But oddly enough, we find that in this particular area, there is no perfect solution. Clever tricks may save som...[Details]
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
Abstract: Based on CPLD as the core, a manageable SAS hard disk backplane is designed. While conveniently replacing the faulty hard disk, it can indicate the working status of the hard disk by cont...[Details]
Beijing time, June 29 early morning news, JPMorgan Chase analyst Mark Moskowitz (Mark Moskowitz) released a report on Thursday, saying that Apple's iPhone 5 will take the lead in the smartphone market...[Details]
Abstract: According to the requirements of pulse carburizing power supply, an IGBT strong drive circuit with high reliability, no signal transmission delay, strong driving ability and other charact...[Details]
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