CC-Link Standard Edition is a communication interface for Mitsubishi PLC, which is based on RS485. Does anyone know its physical layer protocol? How to send and receive data via RS485 and use a single...
The development of smartphones has ushered in a new trend of connected devices that can not only perform some form of computing and decision-making, but also change the way we relate to the world arou...
The risk of workplace accidents exists in various areas such as production and transportation. We need to take appropriate measures to prevent, reduce or eliminate these risks. Here are some examples:...
As shown in the figure
I know that the left side is a RJ45 + 2 USB interface structure
The right side shows the structure of DB9+VGA connectors.
But if you want to search for them, what are the keywor...
ECG monitor lead fall-off detection circuit1. UM1 = U + (△ U1 + △ U2) / 2, UM2 = U - (△ U1 + △ U2) / 2, how are these two expressions derived?2. When the electrode and the skin are in good contact, UM...
Abstract: Taking the digital signal processor ADSP2186L as the core and controlling the system through the microcontroller, a voice dialer is designed to realize the automatic dialing function o...[Details]
Electronics enthusiasts provide you with a schematic diagram of the negative ion air purifier to help you understand how the negative ion air purifier works internally. The specific working principle...[Details]
The power management scheme of electric vehicles involves many parameters such as the working conditions of the engine, motor, battery, vehicle speed, driving resistance and driver's operation. Using ...[Details]
Recently, when accepting institutional research, Shenzhen MTC shares stated that the external sales of Shenzhen MTC Semiconductor's LED chips have made good progress, and the shipment volume ranks fi...[Details]
According to the latest news from digital blogger @李昂昂昂啊, Huawei recently had a new 4G phone with model number ABR-AL60 that obtained 3C certification on January 25 and is equipped with 66W fa...[Details]
After more than 20 companies announced the cancellation of their participation in the WMC exhibition, GSMA was forced to announce the cancellation of MWC 2020, the first time in 33 years. Huawe...[Details]
At the "Medical Technology Expo" held at Tokyo Big Sight from June 22 to 24, 2011, Panasonic Electric proposed that its "MIPTEC" packaging technology be used in medical capsule cameras such as caps...[Details]
Recently, China's latest generation of solar cell module laminating machines were successfully launched at Qinhuangdao Jingfa Optoelectronics Technology Co., Ltd. The new generation of multi-layer ...[Details]
1 Introduction
In the information age, BP machines have become a common communication tool. At present, the transmitting equipment of my country's BP machine station is imported, with ...[Details]
At the WWDC20 Global Developers Conference a few days ago, Apple launched iOS 14 as expected and released the first developer test version on the same day. As the name suggests, this version is mainl...[Details]
Robotics and artificial intelligence continue to merge in 2021, with emerging hardware and software stacks extending the capabilities of mobile robots, drones, collaborative robots, and autonomous dr...[Details]
Signal generator is an essential part of many electronic devices, especially test equipment. It is used to input reference source signals to the device under test, and analyze and study the status of...[Details]
As subsidies for new energy vehicles decline, some car companies are "betting" their fate on fuel cell vehicles, but the results have not been ideal. After the Chinese auto market receded, companie...[Details]
Noise pollution, gas pollution and solid matter pollution have been called the three major pollutions in the world today. Excessive noise can damage people's health, such as neurasthenia and neuros...[Details]