Controlling a Keypad Matrix Via a Microcontroller

About: Name: Bård Lund Johansen Engineer, Materials Technology

Just some pics following a discussion over at HackADay:

Teacher Notes

Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.

Be the First to Share


    • Assistive Tech Contest

      Assistive Tech Contest
    • Reuse Contest

      Reuse Contest
    • Made with Math Contest

      Made with Math Contest