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h-bridge 12v 40amps

Discussion in 'SimTools compatible interfaces' started by trust928, Sep 19, 2013.

Page 5 of 5
  1. trust928

    trust928 Member

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    thanks im finishing my one, im building 2 small circuit in one pcb i will post pics as soon as i finished, and in the end of the all work i will put all the steps on first page..
    trust928, Sep 24, 2013
    #81
  2. prilad

    prilad Well-Known Member SimAxe Beta Tester SimTools Developer

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    At schematics with digital chips VCC and GND wires are connected to chips by default. These wires are usually not drawn.
    prilad, Sep 25, 2013
    #82
  3. trust928

    trust928 Member

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    as i promissed here are the pics of the small circuit.. it has 2 circuits in on board to make things more easy..
    can i join all the vcc of the 2 circuits in one sigle wire? and the GNDS?
    IF IM GOING TO USE AN EXTERNAL 5+ POWER IT HAS ONLY positive and negative.. theres no GND
    can i plug the negative in place of the GNDS?

    can arduino 5vcc and gnds handle this 2 circuits?

    thanks to all

    Attached Files:

    Last edited: Sep 25, 2013
    trust928, Sep 25, 2013
    #83
  4. prilad

    prilad Well-Known Member SimAxe Beta Tester SimTools Developer

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    YES
    YES
    prilad, Sep 25, 2013
    #84
  5. trust928

    trust928 Member

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    thanks prilad.. i thinks it will work good, and will be an alternative to who wants an easy high power h-bridge...
    i will post some videos later
    trust928, Sep 25, 2013
    #85
  6. trust928

    trust928 Member

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    I'm having some problems soon as i finish i all be updating the tread
    Last edited: Sep 29, 2013
    trust928, Sep 27, 2013
    #86
  7. RacingMat

    RacingMat Well-Known Member Gold Contributor

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    Hi @trust928 !

    What's new? Did you achieve your goal?
    RacingMat, Apr 24, 2014
    #87
  8. trust928

    trust928 Member

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    hey racicing mat.. ive not achievet yet.. im missing some isolator coz my h-bridges are conflicting with my computer. and they burn every time that its happens... i dont knowww yet how to solve it
    trust928, May 2, 2014
    #88
  9. Historiker

    Historiker Dramamine Adict Gold Contributor

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    Trust! Good to see you back on the forums, sorry to hear that you are still having troubles. Perhaps it is time to buy a commercial product?
    Historiker, May 2, 2014
    #89
  10. trust928

    trust928 Member

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    its because here in brazil dont have the eletronics parts that i need.. so i did want to build all the eletronics.. but how to overcome the isolatorS? this is being my problem i think i will need to import the rest of the parts
    trust928, May 2, 2014
    #90
  11. trust928

    trust928 Member

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    Hey guys im back, almost finished, im gonna post some pictures later, i found some 4n25 to isolate the ard from the h-bridge so i need a little help
    Ard---optocoupler--pcb---h-bridge
    My question is what resistor should i use with the 4n25 input and output?
    The last time without the optocoupler my h-bridge burned coz the software crashe wih the large amp of the motor trought ard so guys always use galvanic isolator lool
    trust928, Aug 30, 2014
    #91
  12. Edson Lourenço Bezerra

    Edson Lourenço Bezerra Edson Bezerra - Desenvolvedor Open Source

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    Greetings everyone.

    Well I am also in Brazil and really is quite complicated to find all components or people who esejam the willingness or interest to hear from you.
    But for future needs incargo have good contacts here in Sao Paulo and we can find almost everything.

    Hug.
    Edson Lourenço Bezerra, Jul 6, 2015
    #92
  13. trust928

    trust928 Member

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    hi edson i have sent u an email, its not very easy, but its not impossible, ive got my working after a lot of enforts and still needs a lots of adjustes, i will be in sao paulo so soon,,, keep in contact cheers
    trust928, Jul 23, 2015
    #93
  14. Rohith

    Rohith New Member

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    Hi, I am working on a load of DC 12V, 40A. I am having a trouble in designing H bridge for it. I need your help in that. Can you please send me the circuit for 12v 40A.
    Rohith, Jan 29, 2019
    #94
  15. BlazinH

    BlazinH Well-Known Member

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    BlazinH, Jan 29, 2019
    #95
  16. zapata_h

    zapata_h Active Member

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    As Comrade BlazinH says, take a look at that link, bridge at a very good price
    zapata_h, Mar 21, 2019
    #96
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