[i=s] This post was last edited by 蓝天白云秋高气爽 on 2022-1-5 12:04[/i]Do a small project on the "ESP32 Development Board IOT Bluetooth WIFI Misiqi": use this development board to intercept the input signal...
[align=left]My colleague said that this is a circuit to prevent the MCU from hanging up. Fan_Ctrl is the signal from the microcontroller, C is the DC blocking capacitor, Fan_Ctrler is the signal sent ...
[i=s]This post was last edited by kikiwu on 2019-3-8 11:48[/i] [align=center][align=left] I was impulsive and determined to make one myself. It turns out that my courage is one of my strengths. What h...
[size=4][color=#000000][backcolor=white] In many engineering applications, PWM waves (pulse width modulation) are needed, such as motor speed regulation, temperature control and power adjustment. This...
What is 5G technology and what impact will it have on positioning technology? Every dayfirst, let us introduce you to 5G. This is the fifth generation of mobile connectivity. The earlier 2G, 3G, and 4...
In China's electronic design and manufacturing companies, electronic engineers can currently choose from dozens of microprocessor brands, including many original brands from Europe, America, Japan, S...[Details]
It is rumored that the vivo X80 series will be launched at the end of this month. Recently, the main specifications of vivo X80 and X80 Pro have been exposed. The vivo X80 and X80 Pro are expected ...[Details]
1. Minor maintenance cycle.
The minor maintenance cycle of the transformer is at least once every two years. Transformers installed in particularly dirty areas should have their maintenance c...[Details]
The previous sections have covered a lot of basic knowledge about microcontrollers. Today I will continue to share my learning notes with everyone.
Addressing mode
The addressing mode is the form...[Details]
Open RANs promise to make 5G networks more flexible while fostering innovation, but with the emergence of interoperable components comes the need for compliance and interoperability testing. Cellul...[Details]
MOV PC,LR
Look at the following ARM assembly
BL NEXT; Jump to subroutine
.........; Execute NEXT at
NEXT
..........
MOV PC,LR; Return from subroutine
BL here means jump, LR (R14) saves the retu...[Details]
In the new energy storage market, the pattern of lithium battery dominating the market will eventually be broken. Many industry experts agree that the energy storage time of lithium batteries is betwe...[Details]
introduction
The power supply system supplies power to the accelerator, including a DC-200~-350kV 60mA main power supply, a 30kV 100mA power supply and a 10V 3A filament power supply, of w...[Details]
At the 21st China International Industry Fair in 2019, Universal Robots announced the launch of the new UR16e high-payload collaborative robot. The UR16e combines the cost-effectiveness, flexible dep...[Details]
Previously, people generally mentioned the four new trends of automobiles: "electrification", "intelligence", "networking", and "sharing". Among them, the concept of sharing has become a pure model i...[Details]
Introduction
For a long time, soil temperature and moisture have been the focus of agricultural research. As the two basic properties of soil, slight changes in soil temperature and moisture will ha...[Details]
On July 30, according to Taiwan media Commercial Times, Intel is actively poaching senior engineers from TSMC in Arizona to enhance the competitiveness of its chip foundry business. Faced with TSMC...[Details]
Philips is approaching rivals such as Haier and Midea to determine if they are interested in acquiring Philips' home appliance division, which could be sold for up to $4 billion, with the formal sale...[Details]
LED, also known as light-emitting diode technology, is one of the earliest and most advanced imaging technologies in the world. Printer manufacturers led by OKI have promoted the maturity of LED te...[Details]
It is difficult to convert a three-phase motor into a two-phase motor because the working principle of a three-phase motor is very different from that of a two-phase motor. A three-phase motor requ...[Details]
Linux and Android
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