Aruna Rubasinghe - February 28, 2013 This is a repost from EDN Magazine's Design Ideas There are several ways to read multiple switch inputs using a reduced number of microcontroller-unit (MCU) pins....

Aruna Rubasinghe - May 8, 2013 This is a repost from EDN Magazine's Design Ideas Matrix keyboards are common as an input device in microcontroller-based projects. A conventional way of connecting a matrix...

Zoran Mijanovic & Nedjeljko Lekic - March 28, 2013 This is a repost from EDN Magazine's Design Ideas. This Design Idea shows how a single microcontroller port can drive a lot of output lines through...

Creating a circuit board to fit a specific enclosure can be a challenge even though vendors are often providing drawings with the recommended board dimensions.  Many enclosures use boards shaped...

SMT Prototype Board Compendium Many chips are only available in surface mount (SMT) packages and they are getting ever smaller as the drive towards miniaturization continues.  This makes it tough...