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Re: [booksbybibin,www.booksbybibin.tk] Have Problem to interface a Triac

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  • Ever Cifuentes
    I send you a diagram Ever ________________________________ De: Muhammad Sadiq Asgher Para: booksbybibin@yahoogroups.com Enviado: jueves,
    Message 1 of 12 , Sep 7, 2009
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    I send you a diagram
     
    Ever


    De: Muhammad Sadiq Asgher <ms_asgher@...>
    Para: booksbybibin@yahoogroups.com
    Enviado: jueves, 3 de septiembre, 2009 0:13:58
    Asunto: [booksbybibin,www.booksbybibin.tk] Have Problem to interface a Triac

     

    Dear All,
     
    I am having problems to interface a triac with avr. Actually I want to drive the 100 watts bulb.I have also used triac drive MOC3041 but no result achieve. Any suggestion and cooperation will be appreciated.  
    Regards.
     
    Muhammad Sadiq Asgher


  • ae6zm
    From the diagram you uploaded I see you are having difficulty designing the circuit. There are a couple things you might try. First, do an internet search for
    Message 2 of 12 , Sep 8, 2009
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      From the diagram you uploaded I see you are having difficulty designing the circuit. There are a couple things you might try. First, do an internet search for "triac circuits". You will find many you can just copy. Second, you would need to do some study to learn the basics of electronic theory, and then you could design your own circuits. That may take too much time, so the first may well be your best option.

      The circuit you show us has some serious problems:
      1- The driver transistor is connected directly across VCC, so if (when) it turns on it will short out the power supply. = smoke!!
      2- The gate of the triac is connected directly to VCC, so will never see a switching action from the transitor.
      3-The LED in series with the transistor base may not allow the transister to turn on, depending on the transistor's base characteristics and the size of resistor you put in the circuit. Transistors are current controlled devices, so you would need to calculate the required base clurrent to drive the transistor into saturation, and then design the input cirucuit to provide that current.
      4- It would be wise to isolate the AC power from the DC circuit of the uController. =Less smoke!!

      You have an interesting project, I know there is information on the internet about precisely what your are trying to do, so a little searching will solve your problem.

      Regards,

      Wes
      AE6ZM & VE7ELE
      ARRL Technical Specialist
      AEC Placer County ARES
      Lincoln, CA
      CM98iv
      --- In booksbybibin@yahoogroups.com, Muhammad Sadiq Asgher <ms_asgher@...> wrote:
      >
      > Dear Mihai,
      >  
      > Hey Mihai using transistor to drive the gate o fthe triac is also not working. I am attaching the circuit so tell me if there is any problem in the circuit. 
      >  
      > Thanks & Regards
      > Muhammad Sadiq Asgher 
      >
      >
      >
      > --- On Fri, 9/4/09, mihaigalos <mihaigalos@...> wrote:
      >
      >
      > From: mihaigalos <mihaigalos@...>
      > Subject: [booksbybibin,www.booksbybibin.tk] Re: Have Problem to interface a Triac
      > To: booksbybibin@yahoogroups.com
      > Date: Friday, September 4, 2009, 4:31 PM
      >
      >
      > :O
      >
      > Use an optocpoupler as a intermediate stage between the triac and the AVR. The command current shouldn't exceed 20mA, if it does, use a transistor or a repeating/ inverting gate.
      >
      > Regards,
      > Mihai G.
      > --- In booksbybibin@yahoogroups.com, Muhammad Sadiq Asgher <ms_asgher@> wrote:
      > >
      > > Dear All,
      > >  
      > > I am having problems to interface a triac with avr. Actually I want to drive the 100 watts bulb.I have also used triac drive MOC3041 but no result achieve. Any suggestion and cooperation will be appreciated.  
      > >
      > > Regards.
      > >  
      > > Muhammad Sadiq Asgher
      > >
      >
      >
      >
      >
      > ------------------------------------
      >
      > Yahoo! Groups Links
      >
    • ae6zm
      Ever, looks like a good circuit. Will the 3031 handle the 220VAC? The data sheet says max 250V peak, and 220VAC has a peak of ^300. Perhaps the 3041 would be a
      Message 3 of 12 , Sep 8, 2009
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        Ever, looks like a good circuit. Will the 3031 handle the 220VAC? The data sheet says max 250V peak, and 220VAC has a peak of ^300. Perhaps the 3041 would be a safer choice?? I have not built the circuit, so if you have done so and it works, then no problem.

        Wes
        AE6ZM & VE7ELE
        ARRL Technical Specialist
        AEC Placer County AREs
        Lincoln, CA
        CM98iv

        --- In booksbybibin@yahoogroups.com, Ever Cifuentes <ever_cifuentes@...> wrote:
        >
        > I send you a diagram
        >
        > Ever
        >
        >
        >
        >
        > ________________________________
        > De: Muhammad Sadiq Asgher <ms_asgher@...>
        > Para: booksbybibin@yahoogroups.com
        > Enviado: jueves, 3 de septiembre, 2009 0:13:58
        > Asunto: [booksbybibin,www.booksbybibin.tk] Have Problem to interface a Triac
        >
        >  
        > Dear All,
        >
        > I am having problems to interface a triac with avr. Actually I want to drive the 100 watts bulb.I have also used triac drive MOC3041 but no result achieve. Any suggestion and cooperation will be appreciated.  
        >
        > Regards.
        >
        > Muhammad Sadiq Asgher
        >
        >
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      • Ever Cifuentes
        Hi Exactly, I use the moc3041 (with zero crossing), another  is the MOC3022 (without zero crossing). See the data sheets. Ever
        Message 4 of 12 , Sep 8, 2009
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          Hi
          Exactly, I use the moc3041 (with zero crossing), another  is the MOC3022 (without zero crossing). See the data sheets.
           
          Ever
           
           

          De: ae6zm <WESBFLYER@...>
          Para: booksbybibin@yahoogroups.com
          Enviado: martes, 8 de septiembre, 2009 10:53:02
          Asunto: Re: [booksbybibin,www.booksbybibin.tk] Have Problem to interface a Triac

           

          Ever, looks like a good circuit. Will the 3031 handle the 220VAC? The data sheet says max 250V peak, and 220VAC has a peak of ^300. Perhaps the 3041 would be a safer choice?? I have not built the circuit, so if you have done so and it works, then no problem.

          Wes
          AE6ZM & VE7ELE
          ARRL Technical Specialist
          AEC Placer County AREs
          Lincoln, CA
          CM98iv

          --- In booksbybibin@ yahoogroups. com, Ever Cifuentes <ever_cifuentes@ ...> wrote:
          >
          > I send you a diagram
          >
          > Ever
          >
          >
          >
          >
          > ____________ _________ _________ __
          > De: Muhammad Sadiq Asgher <ms_asgher@. ..>
          > Para: booksbybibin@ yahoogroups. com
          > Enviado: jueves, 3 de septiembre, 2009 0:13:58
          > Asunto: [booksbybibin, www.booksbybibin .tk] Have Problem to interface a Triac
          >
          >  
          > Dear All,
          >
          > I am having problems to interface a triac with avr. Actually I want to drive the 100 watts bulb.I have also used triac drive MOC3041 but no result achieve. Any suggestion and cooperation will be appreciated.  
          >
          > Regards.
          >
          > Muhammad Sadiq Asgher
          >
          >
          > __._,_..___
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        • razak abdul
          you can use TIC206 or BT136 , find the datasheet in attachment   Rgds   Razak ... From: ae6zm Subject: Re:
          Message 5 of 12 , Sep 8, 2009
          you can use TIC206 or BT136 , find the datasheet in attachment
           
          Rgds
           
          Razak

          --- On Tue, 9/8/09, ae6zm <WESBFLYER@...> wrote:

          From: ae6zm <WESBFLYER@...>
          Subject: Re: [booksbybibin,www.booksbybibin.tk] Have Problem to interface a Triac
          To: booksbybibin@yahoogroups.com
          Date: Tuesday, September 8, 2009, 3:53 PM

          Ever, looks like a good circuit. Will the 3031 handle the 220VAC? The data sheet says max 250V peak, and 220VAC has a peak of ^300. Perhaps the 3041 would be a safer choice?? I have not built the circuit, so if you have done so and it works, then no problem.

          Wes
          AE6ZM & VE7ELE
          ARRL Technical Specialist
          AEC Placer County AREs
          Lincoln, CA
          CM98iv

          --- In booksbybibin@yahoogroups.com, Ever Cifuentes <ever_cifuentes@...> wrote:
          >
          > I send you a diagram
          >
          > Ever
          >
          >
          >
          >
          > ________________________________
          > De: Muhammad Sadiq Asgher <ms_asgher@...>
          > Para: booksbybibin@yahoogroups.com
          > Enviado: jueves, 3 de septiembre, 2009 0:13:58
          > Asunto: [booksbybibin,www.booksbybibin.tk] Have Problem to interface a Triac
          >
          >  
          > Dear All,
          >
          > I am having problems to interface a triac with avr. Actually I want to drive the 100 watts bulb.I have also used triac drive MOC3041 but no result achieve. Any suggestion and cooperation will be appreciated.  
          >
          > Regards.
          >
          > Muhammad Sadiq Asgher

          >
          > __._,_..___
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        • Saeed Ahmed
          HI SADIQ,  HERE I M ATTACHING THE PROTEOUS MODEL AND JPEG IMAGE FOR UR CONCERN TO INTERFACE A TRIAC WITH MICROCONTROLLER.THE CIRCUIT IS TESTED AND WORKING
          Message 6 of 12 , Sep 12, 2009
          HI SADIQ,
           HERE I M ATTACHING THE PROTEOUS MODEL AND JPEG IMAGE FOR UR CONCERN TO INTERFACE A TRIAC WITH MICROCONTROLLER.THE CIRCUIT IS TESTED AND WORKING FINE PLZ TRY IT .
          REGARDS
          DANY

          --- On Sat, 9/5/09, Muhammad Sadiq Asgher <ms_asgher@...> wrote:

          From: Muhammad Sadiq Asgher <ms_asgher@...>
          Subject: Re: [booksbybibin,www.booksbybibin.tk] Re: Have Problem to interface a Triac
          To: booksbybibin@yahoogroups.com
          Date: Saturday, September 5, 2009, 4:49 AM

           
          Thanks Mihai i will try it.
           
          Regards
          Muhammad Sadiq Asgher
           
          --- On Fri, 9/4/09, mihaigalos <mihaigalos@yahoo. com> wrote:

          From: mihaigalos <mihaigalos@yahoo. com>
          Subject: [booksbybibin, www.booksbybibin .tk] Re: Have Problem to interface a Triac
          To: booksbybibin@ yahoogroups. com
          Date: Friday, September 4, 2009, 4:31 PM

          :O

          Use an optocpoupler as a intermediate stage between the triac and the AVR. The command current shouldn't exceed 20mA, if it does, use a transistor or a repeating/ inverting gate.

          Regards,
          Mihai G.
          --- In booksbybibin@ yahoogroups. com, Muhammad Sadiq Asgher <ms_asgher@.. .> wrote:
          >
          > Dear All,
          >  
          > I am having problems to interface a triac with avr. Actually I want to drive the 100 watts bulb.I have also used triac drive MOC3041 but no result achieve. Any suggestion and cooperation will be appreciated.  
          >
          > Regards.
          >  
          > Muhammad Sadiq Asgher
          >




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