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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by Electronic boy

  1. E

    What is the secret behind the PIC 12C508 ?!

    If you compared my diagrams with those presented in other sites, you can observe the differences of connection points. For example, look at the diagrams in attachments. What does this mean? In my country, we use the diagrams as illustrated above, that different than those on the web...
  2. E

    What is the secret behind the PIC 12C508 ?!

    Firstly, I will post my own - hand draw - old installation diagrams taken from my friends modified consoles when I was worked as mod-chip installer in a video games store. SCPH-9002 **broken link removed** **broken link removed** **broken link removed** SCPH-102 **broken link...
  3. E

    What is the secret behind the PIC 12C508 ?!

    Hi folks,,,, Thanks for every one replied here. Dear Wilksey, I will show you a very IMPORTANT information about the early PSX mod-chips: Playstation Mod Chip FAQ Since 1998, I'm still search about the techniques of the Mod-chips, precisely chips based on PIC 12C508 and 16C54. I have...
  4. E

    What is the secret behind the PIC 12C508 ?!

    Hi guys, I need to know about the PIC 12C508 , I have a lot of PIC 12C508 chips ! but I don't understand basically it's function. In other words, when I purchase a new PIC 12C508 /P from electronics store then install it in Sony PLAYSTATION game console, it function as a MOD-CHIP...
  5. E

    Video signal types...Help me!

    Wawwwwwwwwwww!! These links is the best I can get, Thanks Mr. Luis German & Mr. Eric.
  6. E

    Video signal types...Help me!

    Dear : ericgibbs, I used "Google" search engine, but may be I can't write the correct "key words" !! If you have the detailed information on ALL the topics you have listed exactly, please help me to find them. Note: If there exist "PDF" files, that contain information about this topic...
  7. E

    Video signal types...Help me!

    Sorry, The general information on web pages is not enough to build a strong data base about this subject.
  8. E

    Video signal types...Help me!

    SUBJECT: Video signal types...Help me ! Hi, I want Advanced complete information guide (Reference) about all video signals types, such as: YPbPr , RGB , COMPOSITE VIDEO signal, S-Video and so on. The guide must talk about the following subjects: =====================================...
  9. E

    Frequency meter ?

    Thank you very much .. :wink: You are welcome :wink:
  10. E

    Frequency meter ?

    Why .. ???!! :evil: :!: :?: :idea: :arrow:
  11. E

    Prosessor Z80 Or ... ?

    I do .. but Iam do not fund any thing !! :oops:
  12. E

    Frequency meter ?

    I want Frequency meter , from 1 Mhz to 1Ghz or Higher ! ---------------- How I know CRISTAL Frequency , are you have Circuit Diagram ? ( it can from Hz to Ghz ) .
  13. E

    Prosessor Z80 Or ... ?

    Hi ... , I want some links for websites about Projects and informations for old processors , Z80 , 8086 . Please help me ...
  14. E

    3 quistions ...

    Thanks ... :oops: :oops:
  15. E

    3 quistions ...

    Hi ... 1- What does it mean ( FPGA ) ? ====================== 2- How I can Removal and Replacement BGA Component ? ====================== 3- I will use the solder mask ( Dry Film ) ; But I don't have any informations about this subject . I am need for some help .. Thanks ,
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