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Latching relay with low voltage on off indicator

Discussion in 'General Electronics Discussion' started by Dustin Yoder, Feb 14, 2015.

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  1. Dustin Yoder

    Dustin Yoder

    6
    0
    Jul 16, 2014
    I would like to find a latching relay with low voltage on off indicator. basically I like the ge RR-7specs, but I want to be able to know if it is on or off using microcontroller. The relay is switched by hand as well as by controller, so we can't keep track of state. Any ideas?
     
  2. Bluejets

    Bluejets

    4,219
    894
    Oct 5, 2014
    Can you not take a signal from the contacts, if high voltage there, drive an aux relay?
     
    drunkseamonkeys likes this.
  3. drunkseamonkeys

    drunkseamonkeys

    19
    1
    Feb 8, 2015
    Specify at the machine or on the controller?need more specifics
     
  4. Dustin Yoder

    Dustin Yoder

    6
    0
    Jul 16, 2014
    Yes, but I want to this as cheaply as possible. could this be done for $2 or so?
     
  5. drunkseamonkeys

    drunkseamonkeys

    19
    1
    Feb 8, 2015
    Red and green led?
     
    Bluejets likes this.
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