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» Upholder build instructions
self contained compressor and solenoid valve for bladder systems. EmptyYesterday at 1:56 pm by lenD

» Single Channel Remote for submarines
self contained compressor and solenoid valve for bladder systems. EmptyFri Dec 02, 2022 2:59 pm by david f

» 27Mhz - Radio Ideas
self contained compressor and solenoid valve for bladder systems. EmptyFri Dec 02, 2022 2:53 pm by david f

» self contained compressor and solenoid valve for bladder systems.
self contained compressor and solenoid valve for bladder systems. EmptyThu Nov 24, 2022 5:58 pm by geofrancis

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self contained compressor and solenoid valve for bladder systems. EmptyMon Oct 17, 2022 3:21 pm by david f

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self contained compressor and solenoid valve for bladder systems. EmptyFri Oct 14, 2022 6:15 pm by Tom(ADMIN)

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self contained compressor and solenoid valve for bladder systems. EmptyFri Oct 14, 2022 1:52 am by Cheapsub

» Hello and first sub
self contained compressor and solenoid valve for bladder systems. EmptyThu Oct 13, 2022 12:42 pm by maxx78

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self contained compressor and solenoid valve for bladder systems. EmptyFri Sep 30, 2022 12:17 pm by SimonH

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    self contained compressor and solenoid valve for bladder systems.

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    geofrancis


    Posts : 72
    Join date : 2021-09-24

    self contained compressor and solenoid valve for bladder systems. Empty self contained compressor and solenoid valve for bladder systems.

    Post  geofrancis Tue Nov 22, 2022 12:37 pm

    I found this little pump while looking for pumps to run a miniature firemonitor and bilge pump. I belive its designed to run a blood pressure collar by inflating it and deflating it but it should be ideal for submarine use.

    https://www.aliexpress.com/item/1005004035107765.html

    david f likes this post

    avatar
    geofrancis


    Posts : 72
    Join date : 2021-09-24

    self contained compressor and solenoid valve for bladder systems. Empty Re: self contained compressor and solenoid valve for bladder systems.

    Post  geofrancis Thu Nov 24, 2022 5:58 pm

    I have got an idea for a very basic ROV, its basically a gopro style camera but with its wifi antenna extended to the surface for live video. To control its depth I was going to use a bladder in a bottle that I can suspend the camera from to control its buoyancy.

    My plan was to attach a pressure sensor to the camera and use an arduino pid controller to work the compressor and valve to hold depth automatically. but i was thinking and realized that the pressure in the bladder should increase as it goes deeper so rather than having to wire a pressure sensor to the camera can I just monitor the pressure going into the system to work out what depth its at? that way i dont need to run wires to the camera.

    david f likes this post


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