[b][color=#5E7384]This content is originally created by EEWORLD forum user [size=3]tiankai001[/size]. If you need to reprint or use it for commercial purposes, you must obtain the author's consent and...
summaryThis system is based on RS485 communication network, and realizes multi-node online temperature detection and status call. The system consists of two parts: the upper computer (master control s...
I'm restoring a circuit board, and I don't know what 20-pin H-bridge motor driver chips are available. I hope you can tell me the model number. I can find it, thank you in advance....
[font=微软雅黑][size=4]This is also the first time I use NXP chips, and I have just started to configure GPIO. I can feel that compared with ST, NXP's GPIO design is more complicated, but the configuratio...
Now there are three 485 devices. The slave device has matching resistors that pull up and down 4.7K terminal resistors 120R. The distance is no more than 1 meter. The master device pulls up and down t...
Jingsheng Electromechanical said in an institutional survey that in the first quarter of this year, the COVID-19 pandemic had some impact on the industry's start-up time after the Spring Festival, bu...[Details]
Power Line Communication (PLC) technology refers to a communication method that uses power lines to transmit data and media signals. This technology loads the high frequency that carries informat...[Details]
introduction
An inverter is a device that uses power electronics technology to convert electrical energy. With the development of power electronics technology, inverters are increasingly used, b...[Details]
Manual meter reading is inefficient. In terms of query, recording and transmission, manual operation greatly reduces work efficiency. Therefore, the bureau began to look for a more effective meter ...[Details]
Abstract: In view of the need for efficient, low-pollution green power design, a highly reliable, easy-to-maintain, fully functional, and compact power monitoring system is very necessary. This pap...[Details]
1. Introduction
Parts are deformed during machining due to various heat effects, which may damage the original machining accuracy or directly cause machining errors. For precision machinin...[Details]
Suiyuan Technology, which focuses on cloud computing platforms in the field of artificial intelligence, announced the completion of a RMB 700 million Series B financing round, led by semiconductor in...[Details]
In the previous article, we learned about the frequency bands used by automotive millimeter-wave radars in my country. Some readers have consulted the regulations of the document and commented on t...[Details]
PPG Industries has been awarded the "Significant Achievement Award" by the U.S. Department of Energy (DOE) for its outstanding contribution to the development of organic light-emitting diode (OLED) l...[Details]
1. What can you do by learning MCU?
MCU is widely used. You can see MCU everywhere, such as remote control cars, washing machines, refrigerators, color TVs, and air conditioners. After learning MC...[Details]
1. Working principle of pointer type 2. Meter circuit The mf47 multimeter meter circuit consists of a magnetoelectric 46.2μa current meter connected in series with wh2. R21 is connected in series w...[Details]
I used avr to convert, and I also encountered such confusion. Later I found that arm is too fast. The delay function is easy to write. I wrote it casually, and the accuracy is good at the u...[Details]
Heat dissipation is a major factor affecting the lighting intensity of LED lamps. Heat sinks can solve the heat dissipation problem of low-light LED lamps. A heat sink cannot solve the heat dissip...[Details]
When ARM introduced 64-bit support for its architecture, it was designed to be compatible with previous 32-bit software. But for Linux programmers, there are still some significant differences that c...[Details]
After the release of Apple's iOS system, most mobile phones can be quickly upgraded to the latest version. In contrast, Android's system upgrade is very fragmented. Google has no say, and it de...[Details]