Accredited calibration behind the small qualified label : https://training.eeworld.com.cn/course/4679In response to these certification issues that often cause misunderstandings, we hope that through ...
Thank you all for your hard work over the past few years, especially zhaojun_xf and xiaoyang.When we first started, we knew it was a time-consuming job, so we needed the efforts of interested friends ...
The attached is Intersil (now owned by Renesas)'s application note on the selection and use of bypass capacitors. I think there are several points of value in this paper:
1. Understand the relationshi...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[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]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
Since the implementation of the self-weight toll collection system, the highway administration has not only high requirements for the vehicle axle recognition rate, but also requires a long service li...[Details]
1. Introduction
According to the definition of the International Electrotechnical Commission (IEC) and the American Instrument Society (ISA), fieldbus is a digital, two-way transmission, multi...[Details]
1. Introduction
PROFIBUS is an international, open asynchronous serial communication standard, which is widely used in manufacturing automation and process automation, buildings, transportatio...[Details]
The construction of voltage and current feedback amplifier application circuits is generally the same, except for a few key points.
Current feedback amplifiers have higher sl...[Details]
In order to reduce the proportion of data transmission time in the entire system processing time index, the data transmission rate should be no less than E1 (2.048Mb/s), and the communication...[Details]
In the "mistress war", Zhou Hongyi constantly questioned Lei Jun, firing at Lei Jun on issues such as the cost, profit, configuration, and marketing methods of Xiaomi mobile phones.
The "m...[Details]
Power over Ethernet
(POE) Overview
POE (Power Over Ethernet) refers to the technology that can provide DC power to some IP-based terminals (such as IP phones, wireless LAN access points ...[Details]
The progress and development of computer technology and modern communication technology have made Zigbee technology mature. This system has established a mesh network based on the Zigbee2007/PRO proto...[Details]
Test/Measurement
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