Recent content by photoar

  1. P

    500W 12v to 220v Inverter

    oh ! and the 'step up' transformer can be any usual 220v to 2x12v transformer, right ? or it must say clearly 'step up' or 'inverter' ?? i'm using a regular "step down"(?) transformer
  2. P

    500W 12v to 220v Inverter

    Thanks, I see. but hey, isn't it this attached schema ? this one i'm building ! not the one on the site currently !
  3. P

    500W 12v to 220v Inverter

    Thanks MP !! can you please attach or tell me the difference between the one i did and the one on your site ? i found it on this site of course....  ???
  4. P

    500W 12v to 220v Inverter

    do you have an idea how can i control the transistors with a 555 timer creating the wave ? Thanks a lot !
  5. P

    500W 12v to 220v Inverter

    oh, now i see your attachment, and i guess it's the same as mine... something is still wrong there... i built this one....
  6. P

    500W 12v to 220v Inverter

    Hello ! i'm trying to build the same project, seems like i have the same problem - no wave output from cd4047 - just continuous juice.... checked all wiring, but it's fine what can i do to solve it ?
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