[size=3]To analyze and diagnose communication failures, it is necessary to understand some basic concepts of RS485 bus. [/size] [size=3][/size] [size=3]1. Basic characteristics of RS485 bus [/size] [s...
[i=s]This post was last edited by Purple Sky on 2021-5-17 14:03[/i]Link to ON Semiconductor's official IDE:
Link: https://pan.baidu.com/s/1HihO1gceWMOixCnYgR8aGg
Extraction code: 0btw
The installation...
紫色的天空onsemi and Avnet IoT Innovation Design Competition
There is a measurement board with few devices on it. The only power consumption is wireless transmission and sensors, plus a CPU and several amplifiers. The maximum working current is below 100mA, but...
I want to use the query method to determine whether the RTC has generated a second carry. Why is SECF always 1 when I query it? What are the requirements for clearing it? Thank you very much! Use LSE ...
The following faults occur in the SD980R3S video intercom doorbell extension:
1. Unable to unlock. (Unlock switch test is OK)
2. When the host calls the extension, you can hear a "ding-dong" sound for...
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]