DIY Latching Relay System

Introduction: DIY Latching Relay System

Something I sketched in my Electrical Wiring class. Short but sweet.  And very easy,  No electronics needed!!!  Feel free to ask any questions  : D

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

    Recommendations

    • Trash to Treasure Contest

      Trash to Treasure Contest
    • Raspberry Pi Contest 2020

      Raspberry Pi Contest 2020
    • Wearables Contest

      Wearables Contest

    5 Discussions

    0
    scraptopower
    scraptopower

    8 years ago on Introduction

    You only need one relay to make it latching, just connect the NO relay output back to the coil, add a switch in line if you want so you can break the latching. It'll stay on until the power is removed, or you break the feedback.

    0
    steveastrouk
    steveastrouk

    8 years ago on Introduction

    I suggest you try this circuit. It won't work, unless your supply is twice the voltage rating of your relays.

    A better circuit would use a DPST relay, and then you only need one coil.

    Steve

    0
    jules15
    jules15

    Reply 8 years ago on Introduction

    Yeah you're right, i meant to draw that as a parallel circuit. I was only half-awake when i sketched this. You could also use a DPST relay as stated before. Thanks