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Recent content by kabaza

  1. K

    AT89S52 interfacing with rf decoder ht12d

    Hello! I am trying to get AT89s52 to read 4 bits coming from decoder(HT12D) the bits are read on the AT89s52 from P3.2-->P3.5 I tested and the bits arrive correctly to the decoder. ALso, the at89s52 is interfaced with lcd 16x2. I tried reading then masking it with no use. Sometimes I get...
  2. K

    AT89S52 and ISP Programming

    I tried all speeds still same error ---------- Post added at 07:13 ---------- Previous post was at 07:12 ---------- I tried all speeds still same error
  3. K

    AT89S52 and ISP Programming

    more info !
  4. K

    AT89S52 and ISP Programming

    Thnx for your help but I setup the circuit as shown above. But when I try to erase/program at89s52 I get this screen use follow connection with the avr isp. any help?=/ Thanx
  5. K

    AT89S52 and ISP Programming

    transistor bc557 == the voltage regulator 7805? ---------- Post added at 14:39 ---------- Previous post was at 14:05 ---------- Also all I got is crystal 11.059 MHZ is that ok?
  6. K

    AT89S52 and ISP Programming

    Hello. I am using RAM Electronics : ATMEL AVR ISP Programmer "AVR AVRISP V2.0 STK500 USB ISP" [AVR.Programm] - 160.00L.E. to program an at89s52. I am totally new at this. So I wanted to figure out what should I connect to the at89s52 to program it?resistances?vcc? do I use the at89s52 clock? I...
  7. K

    At89s52 help with resistance/cap values and ht12e/ht12d aswell

    also do i need a voltage regulator? I am using a dc adapter =)
  8. K

    At89s52 help with resistance/cap values and ht12e/ht12d aswell

    I dunno if it's been asked before but what are the values of resistances and capcitors needed for at89s52 and ht12e/ht12d rf encoder/decoder? and is there a tutorial showing how to program and/or connect at89s52 with isp programmer(hardware connections) Thanks =)
  9. K

    Serial Interface with tx433

    Can I interface tx433 and rx433 through serial port directly from pc ! and neglect usage of decoder/encoder(parallel to series)? Thanks =)
  10. K

    Question about AT89S52 microcontroller

    Thank you, but what are the 2pin male also what do I change in the code thnx =)
  11. K

    Project Help Atmel and rf

    would the circuits u given work with tx and rx i mentioned, thnx =D
  12. K

    Project Help Atmel and rf

    Thanks for reply, I just have couple of questions on rx what is the 2003 IC secondly would it work with the tx433 and rx433 , likke the ones in this article Running TX433 and RX433 RF modules with AVR microcontrollers | WinAVR AVR-GCC Tutorial thanks for ur help =)
  13. K

    Question about AT89S52 microcontroller

    I couldn't find the tx rx u mentioned, is there anyway to do it through software , like this project Running TX433 and RX433 RF modules with AVR microcontrollers | WinAVR AVR-GCC Tutorial , and if I have to use the encoder/decoder ht12e and ht12d what would be modified in code? Thanks for ur...
  14. K

    Question about AT89S52 microcontroller

    can u tell me the name?
  15. K

    Question about AT89S52 microcontroller

    Still waiting for ur respond, because I have to buy components thanks =)
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