LED circuit indicator

Discussion in 'OnBoard Electronics & Controls' started by bcervelo, Sep 13, 2013.

  1. BertKu
    Joined: May 2009
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    Location: South Africa Little Brak River

    BertKu Senior Member

    Hi Jordi, that looks great. Have you been able to get the dimming and brightness right? With so many LED's and switches? Well done.
    Bert
     
  2. Pota de fusta
    Joined: Jun 2014
    Posts: 21
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    Location: Barcelona

    Pota de fusta Junior Member

    shine

    Hi. It was more or less by serendipity. To make that red and green were shining at the same level I put the resistances at 2,7k 33k i 360 Ω (ohms).

    The wide transparent support mehtacrylate is 5mm and the panel wide the texts is 2mm, white, front paint in grey and laser engraved.
     
  3. BertKu
    Joined: May 2009
    Posts: 2,478
    Likes: 42, Points: 58, Legacy Rep: 223
    Location: South Africa Little Brak River

    BertKu Senior Member

    Well don't worry, we all do most of the things with "serendipity" . Without luck (that you haven't overlooked something or forgotten), nothing will materialize in anyway or get finished. Only NA's who are designing mega ton cruising/freight boats seems to be able to foresee all problems. Bert
     
  4. UserName

    UserName Guest

    Three years, 93 posts, and I'm the first to think of a dpdt switch? ;)
     
  5. Pota de fusta
    Joined: Jun 2014
    Posts: 21
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    Location: Barcelona

    Pota de fusta Junior Member

    Switch dpdt

    I wanted a toggle switch. with only two positions. On-off (red open green closed) and at night (or daylight without glasses) it was difficult to read the labels.

    As my electronic knowledge is very limited, I have followed the advice of Bertu and now the job I wanted is nearly finished, just need to install on the boat. Here are some photos about it and my gratitude to the forum.
    I know for example dpdt and use in my sailboat:
    I have a valve for seawater refrigeration engine situated in a very uncomfortable place and I got an electronic valve. I was told that it was not good that the electric always (corrosion possible leaks) and I always use such "DPDT" . So that when I after 1 open it I put the "0" and when I finish travelling and I return to port, then I turn off closed 2 it and I turn it again to "0".

    [​IMG]

    Example
    All off:
    [​IMG]
     
  6. BertKu
    Joined: May 2009
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    Location: South Africa Little Brak River

    BertKu Senior Member

    I don't think you have read the reason for NOT using dpdt switches. A dpdt switch does not dim or make the circuit shining bright. But thanks for your post. Bert
     
  7. BertKu
    Joined: May 2009
    Posts: 2,478
    Likes: 42, Points: 58, Legacy Rep: 223
    Location: South Africa Little Brak River

    BertKu Senior Member

    You have made a mighty nice job for your boat. Well done, great panel. Bert
     
  8. Pota de fusta
    Joined: Jun 2014
    Posts: 21
    Likes: 0, Points: 1, Legacy Rep: 10
    Location: Barcelona

    Pota de fusta Junior Member

    corrosion

    Hello. I have seen have appeared some roads corrosion of electronic circuits. The cause may product I used pickling for welding. Corrosion in a marine environment will be even more important. How to clean? What kind of product or brand that would be appropriate to cover and protected? (Liquid type electrical insulation?) Thanks
     
  9. BertKu
    Joined: May 2009
    Posts: 2,478
    Likes: 42, Points: 58, Legacy Rep: 223
    Location: South Africa Little Brak River

    BertKu Senior Member

    Hi Pota, there are a number of products available.
    here are some of them: PLASTIK 70 by Kontakt Chemie. I think it is a Belgium product. www.crcind.com or Plasticote 70 CRC Austraila. available from many component suppliers: sales@mantech.co.za or Spain itself.
    You need to clean the printed circuit board first with some detergents and then wash it and dry it properly before applying PLASTIK 70 or Plasticote.
    Bert
     
  10. Pota de fusta
    Joined: Jun 2014
    Posts: 21
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    Location: Barcelona

    Pota de fusta Junior Member

    Thank you very much. See if I install this winter on the boat and get photos.
     
  11. kingmaster

    kingmaster Previous Member

    If possible please provide the Voltage and current rating of circuit,
     

  12. Pota de fusta
    Joined: Jun 2014
    Posts: 21
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    Location: Barcelona

    Pota de fusta Junior Member

    Amperes

    The voltage is 12V. The current is minimal. The current consumption of different (pump, VHF radio, lights, etc) only circulates through switches.
     
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