The independent technology information source for electronics developers
Technologies
Markets
Top Stories of the Week
Special Reports
Inside Electronics
Sections
Technologies
Markets
Top Stories of the Week
Special Reports
Inside Electronics
Automotive
Analog
Embedded
Power
Special
TechXchanges
Videos
Blogs
11 Myths and More
ED Library
Digital Archives
Webinars
White Papers
Parts & Data Sheets
Contact
About Us
Contact Us
Newsletter Subscription
Contribute
Advertise
Affiliated Brands
MICROWAVES & RF
MACHINE DESIGN
CONTROL DESIGN
MILITARY & AEROSPACE ELECTRONICS
MORE BRANDS
Follow us on
https://www.facebook.com/ElectronicDesign
https://www.linkedin.com/company/electronic-design-magazine
https://twitter.com/ElectronicDesgn
https://www.youtube.com/channel/UCXKEiQ9dob20rIqTA7ONfJg
Archive
Relay Selects Between Two LEDs
This circuit switches between two LEDs on a front-panel display using only an SPST relay. A current source can be inserted to keep equal brightness for both LEDs.
John Dunn
Jan. 31, 1991
About the Author
John Dunn
Sign up for our eNewsletters
Get the latest news and updates
Sign Up
Related
What’s the Difference Between DIMM and CAMM?
Taking the Data Center to the Next Level
Sponsored
DC-DC Converter Design Made Easy
Sponsored
MAX66250/MAX66301 NFC Secure Authenticators and Coprocessors
Voice Your Opinion!
To join the conversation, and become an exclusive member of Electronic Design, create an account today!
Join today!
I already have an account
Trending
Skyworks Buys Qorvo to Create $22 Billion RF, Analog, and Mixed-Signal Chip Giant
Wireless BMS: Perils and Possibilities for Electric Vehicles
Basics of Design: What is TensorFlow?
Sponsored Picks
Sponsored
Intelligent Buildings
Sponsored
Designing Accurate Gas Monitoring Systems with Chemiresistive Devices
Sponsored
LTC4296-1/LTC9111 SPoE/PD Controllers
Load More Content