EE World Online - Electrical Engineering News and Products
WEBEE World Online covers the latest news and trends in electrical engineering, including power electronics, 5G, microcontrollers, and more. Find articles, videos, FAQs, and product reviews on various topics and applications.
Barcodes and Scanners, Part 1: How they work - EE World Online
WEBApr 8, 2019 · Learn how barcodes are encoded, scanned, and decoded, and how they evolved from the original UPC system. The web page explains the basic elements of a barcode system, the types of scanners, and the benefits of barcodes.
Flyback power converters, Part 1: basic principles
WEBApr 15, 2019 · Learn how flyback converters work, their advantages and disadvantages, and their common uses in power supplies. The article explains the flyback transformer, the switch-mode operation, the output regulation, and the feedback methods.
which and when? - Electrical Engineering News and Products
WEBAug 27, 2021 · Fuses, eFuses, various types of thermistors, and fusible resistors can be used to provide varying levels of circuit protection. Fuses provide only the most basic level of overcurrent and short-circuit protection.
The basics: What is EMC? - Electrical Engineering News and Products
WEBJan 12, 2022 · EMC stands for Electromagnetic compatibility, which means that a device is compatible with its electromagnetic environment and does not cause or suffer from interference. Learn about the types of EMC tests, such as EMI and EMS, and the global rules and regulations for EMC certification.
Westinghouse and the fail-safe train air brake, Part 3: Electric brake ...
WEBAug 6, 2020 · The man who brought fail-safe brakes to railroads once had a major role in the 20 th-century industry, but a combination of events and decisions have left only his braking system as a recognized legacy.. Thus far, we have looked at the classic, and still widely used fail-safe pneumatic brake (Part 1 and Part 2) However, a pneumatic-only system seems like an outdated antique in our electrical ...
What happened to transflective displays? - Electrical Engineering …
WEBJun 29, 2012 · Transflective displays can save energy by using reflected light, but they are less bright and more expensive than transmissive displays. Learn why transflective displays are rarely used in consumer electronics and what technologies have replaced them.
Switches: The complete guide - Electrical Engineering News and …
WEBSep 23, 2021 · Learn about different types of switches, their specifications, and applications. Find out why most electricians call toggle switches or wall switches.
Digital v Analog Power Supplies: Finding The Right Balance
WEBNov 16, 2015 · System effectiveness, status monitoring and energy efficiency require AC-DC power supplies to be monitored and controlled, and though the concept of doing this digitally has been around for some time, as end-designs are becoming more complex, many engineers are just starting to investigate the benefits that incorporating digital control into their system may bring. A […]
What is leakage current? - Electrical Engineering News and Products
WEBJul 24, 2017 · Leakage current is the unwanted flow of current through unexpected or undesired paths in a circuit. It can affect performance, waste energy, and create safety hazards. Learn how to identify and measure leakage current with examples and tips.