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Recent content by mexfi571

  1. M

    Matrix keyboard, i need help :(((

    thanks for helping to me. they are useful information. 8)
  2. M

    Zero crossing detection, traic triggering helpppplss!!!!!!!!

    Re: Zero crossing detection, traic triggering helpppplss!!!! But if time is constant by R48 and C17, we're always triggering triacs in same phase degree? and my main question is " which parts in circuit decide to work triac in different phase degrees?" thanks for helps. 8)
  3. M

    Matrix keyboard, i need help :(((

    Now i didn't understand this matrix keyboard working. do we programme outs of PIC and it becomes ground? Anyone can help me?Thanks for helpings friends.[/b] 8)
  4. M

    Zero crossing detection, traic triggering helpppplss!!!!!!!!

    Re: Zero crossing detection, traic triggering helpppplss!!!! so i should use 200mA fuse to make circuit ok? thanks for helps friends. They will help me so much. Thanks so much again 8)
  5. M

    Zero crossing detection, traic triggering helpppplss!!!!!!!!

    Re: Zero crossing detection, traic triggering helpppplss!!!! Thanks for answering, but i don't understand anything about these 2 circuit. I need detail explaination of these circuits. One of them is zero crossing and another one is traic triggerings. Can you explain me each elements work? I'm...
  6. M

    Zero crossing detection, traic triggering helpppplss!!!!!!!!

    **broken link removed** Anyone can explain me how these circuits work? I need emergency informations.
  7. M

    IC that detects the zero cross directly from the ac line 85~265

    Re: Zero crossing Can you explain me how this circuit works? I didn't understand why we use fuse and another devices. there is anyone to help me in this subject? Thanks so much. 8)

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