pic based remote control sw.

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R1 is far too high (range will be short) and C3 is much too small, needs to be 220uF or so (battery life will be very short otherwise).
 

today i cheked it. It working fine ,only button 2 ,4 , 6 ,8 workin & button 1 ,3 ,5 ,7 not working. So pl help me.
 
I am sorry I can't help you to that extent because I have not tried that circuit myself, and I have no time for that. I helped you in changing PIC16f630 code to equivalent PIC16f676 code. I would say you check your hardware carefully. If it works for some of the pins then it should work for the rest too.
- Raj
Experiments with PIC16F628A
 

I have tried that circuit.i check my hardware carefully. but only 4 bouten .it wrking propeprly i have insatal that hardware in my shop.
 
it ir remote working proprely with 16f676.with 4mhz xtal osc.but right now i want to use it intranal osc. any body help me.if posibal with fan speed control.
 
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