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  3. Trigger when mouse trap caught a mouse

Trigger when mouse trap caught a mouse

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  • bjacobseB Offline
    bjacobseB Offline
    bjacobse
    wrote on last edited by bjacobse
    #1

    I have a good mice trap, that actually cought 2 mice. It though only happened this first time I used it.
    0_1517255092857_musefælde.png

    However I occasional get a mouse in the trap, it's placed on the floor in my garage, for now I check daily - but I need your help to provide me some ideas how I can mysensorize the trigger signal? and yes stability is a key issue, as if it's unstable I have to continue to check daily.

    Currently I neither have wifi nor cable network in my garage, so it's not possible for me place a webcam
    I have 230V AC electricity in my garage, so I don't need to use a battery device for monitoring
    As mice carries all kinds of diseases, I don't want the sensor to touch the mousetrap

    I have thought of a sound pressure sensor, but I think its not working as I have a manual garagedoor, and when this opens or closes it provides a fairly loud clash noise, and this will trigger the sensor

    what to do?!?

    The trap is a Mjølner:
    0_1517256042638_mjølner_musefælde.png

    sundberg84S 1 Reply Last reply
    0
    • Nca78N Offline
      Nca78N Offline
      Nca78
      Hardware Contributor
      wrote on last edited by
      #2

      Poor things :sob:

      I see 2 ways of doing it, both involving close contact to the trap:

      • reed switch or ultra low power hall sensor on the top part of the trap (so no direct contact to the mice) and a magnet glued on the yellow moving part (sorry no idea of the name in English)
      • accelerometer as I suppose it makes a pretty strong vibration/shock when the trap is triggered. You might have the space to put it inside the trap so it would not be in contact with mice.
      1 Reply Last reply
      0
      • gohanG Offline
        gohanG Offline
        gohan
        Mod
        wrote on last edited by
        #3

        I think a reed switch and a magnet is a good and cheap solution. Just choose the normally closed or normally open ones according to the where you want to put it in order to save battery.

        bjacobseB 1 Reply Last reply
        1
        • B Offline
          B Offline
          boozz
          wrote on last edited by
          #4

          @bjacobse Although you have 230VAC in your garage, I would go for the option @gohan mentioned; a reed switch with a magnet. The node itself can be carried around with the mouse trap without all the wire hassle and need for an power adapter.
          If you use the reed switch on an interrupt pin, it can be used to wake up the node and send the message. Afterwards you can bring it back to sleep. Saves batteries ;-)

          Good luck with it.

          BTW. never thought of a plastic version for a mouse trap. I only know these ones:

          0_1517296437683_815e5664-d44b-4907-880a-c722ef68dff7-afbeelding.png

          gohanG 1 Reply Last reply
          0
          • B boozz

            @bjacobse Although you have 230VAC in your garage, I would go for the option @gohan mentioned; a reed switch with a magnet. The node itself can be carried around with the mouse trap without all the wire hassle and need for an power adapter.
            If you use the reed switch on an interrupt pin, it can be used to wake up the node and send the message. Afterwards you can bring it back to sleep. Saves batteries ;-)

            Good luck with it.

            BTW. never thought of a plastic version for a mouse trap. I only know these ones:

            0_1517296437683_815e5664-d44b-4907-880a-c722ef68dff7-afbeelding.png

            gohanG Offline
            gohanG Offline
            gohan
            Mod
            wrote on last edited by
            #5

            @boozz The modern version has a "protected" bait so that no other mouse can reach it once the trap has been triggered :D

            Nca78N 1 Reply Last reply
            0
            • gohanG gohan

              @boozz The modern version has a "protected" bait so that no other mouse can reach it once the trap has been triggered :D

              Nca78N Offline
              Nca78N Offline
              Nca78
              Hardware Contributor
              wrote on last edited by
              #6

              @gohan said in Trigger when mouse trap caught a mouse:

              @boozz The modern version has a "protected" bait so that no other mouse can reach it once the trap has been triggered :D

              A really modern version would automatically push the dead mouse away and rearm :p

              1 Reply Last reply
              1
              • bjacobseB bjacobse

                I have a good mice trap, that actually cought 2 mice. It though only happened this first time I used it.
                0_1517255092857_musefælde.png

                However I occasional get a mouse in the trap, it's placed on the floor in my garage, for now I check daily - but I need your help to provide me some ideas how I can mysensorize the trigger signal? and yes stability is a key issue, as if it's unstable I have to continue to check daily.

                Currently I neither have wifi nor cable network in my garage, so it's not possible for me place a webcam
                I have 230V AC electricity in my garage, so I don't need to use a battery device for monitoring
                As mice carries all kinds of diseases, I don't want the sensor to touch the mousetrap

                I have thought of a sound pressure sensor, but I think its not working as I have a manual garagedoor, and when this opens or closes it provides a fairly loud clash noise, and this will trigger the sensor

                what to do?!?

                The trap is a Mjølner:
                0_1517256042638_mjølner_musefælde.png

                sundberg84S Offline
                sundberg84S Offline
                sundberg84
                Hardware Contributor
                wrote on last edited by
                #7

                @bjacobse https://www.youtube.com/watch?v=sQmlrdbtrbU

                Controller: Proxmox VM - Home Assistant
                MySensors GW: Arduino Uno - W5100 Ethernet, Gw Shield Nrf24l01+ 2,4Ghz
                MySensors GW: Arduino Uno - Gw Shield RFM69, 433mhz
                RFLink GW - Arduino Mega + RFLink Shield, 433mhz

                bjacobseB 1 Reply Last reply
                0
                • gohanG Offline
                  gohanG Offline
                  gohan
                  Mod
                  wrote on last edited by
                  #8

                  basically once the trap is armed the contact is closed and it opens when tripped.

                  1 Reply Last reply
                  0
                  • gohanG gohan

                    I think a reed switch and a magnet is a good and cheap solution. Just choose the normally closed or normally open ones according to the where you want to put it in order to save battery.

                    bjacobseB Offline
                    bjacobseB Offline
                    bjacobse
                    wrote on last edited by
                    #9

                    @gohan
                    Thank you, this will be my approach, then the sketch is the door/windows sensor
                    Thank you all for input.
                    I will post pics when project is ready

                    1 Reply Last reply
                    1
                    • sundberg84S sundberg84

                      @bjacobse https://www.youtube.com/watch?v=sQmlrdbtrbU

                      bjacobseB Offline
                      bjacobseB Offline
                      bjacobse
                      wrote on last edited by
                      #10

                      @sundberg84
                      Hey good idea, but I would like the electronic to be away form the mouse/rat, so I don't get pee/faces on as it contains diseases...

                      1 Reply Last reply
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