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Hi
I faced the back EMF problem from the 3 phase induction motor. whenever EMF is generated our ATMEGA8L micro controller is get interrupted please suggest me to overcome this problem.
with regards
kumar
I am using AP98042 Audio ic,LM1117T3.3v Regulator HT9170B DTMF decoder ic,RELAY circuitry...on
board. just now i am using 5v for programming. It was working fine. None of the device is damaged.
with regards
Kumar
Hi all
@alex thats very true but i tried many times with the same thing.I couldn't resolve the problems.
while programming the following errors will comes frequently.
programming flash failed......
Reading device ID is also failed some times.....
with regards
Kumar
Hi all
I am using AVRISP_MKII programmer for ATmega8l Micro controller. I have wrote the code using
AVRSTUDIO 5. problem is while programming this set up is not supported for 3.3v.
for 5v it was working fine. please help me to resolve this problem.
with regards
kumar
Hi all
I faced problem in external interrupts with ATmega8l CPU. I wrote the program in C lan but it didn't
work properly in hardware.
1.problem is external interrupts enabled through other pins of CPU like(vcc, other pins of PORTD).
please help me to resolve the problem.
Hi
I need to generate some beep sounds through micro controller with out using an external audio IC,and it is possible to connect the mobile phone head set pins( M+,GND)directly to micro controller to ear that sound,i want to give some feed back through mobile phone.please help me how to do...
hi
please give me the steps to detect the DTMF tones through with low cost micro controller with out using a decoder ic. and what are the hardware requirements .
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