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microcontroller interfacing relay code
Dude i thaught i solved your problem i forgot to check my mail
ok you could change your software code and try
actually i had same problem then when i added 10K pull up it worked fine
1K current limitter is fine may be you should check your transistor...
interfacing microcontroller with pc
you can see Every day practical (NOV 2006) magazine there is a ready made VB project. which you exactly need ,you can later modify it according to your needs.
Dude just design a astable multivibrator of required frequency at transmitter
and PLL tuned to same frequency at the receiver its simple and secure without interferance. just google on this topic.
interface microcontroller
Dude i tested and made many projects on 8051 PIC with serial interfacing.
The source codes which i gave you is different the PIC software does not work in sequence with VB source code just modify the software in PIC controller. see this file too which is of 8051. i...
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