• on Education & Information
  • Published in issue 6/2012 on page 72
About the article

2-Wire Interface for Illuminated Pushbuttons

Cut down on cabling to improve reliability

Reducing the number of interconnections in a design improves system reliability. There are fewer problems of unreliable contacts and cable failures. This design shows how you can get away with just two wires instead of the more usual three when connecting an indicator pushbutton.
Engineers are no friends of a wiring rat’s nest. More cables means more connections means more chance of an unreliable system.

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