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Voice Recorder and Playback Circuit





  I want to experiment on a wireless voice recorder or something like that.

i would glad if u help me for that.

i want a circuit Digram for wireless transmitter and receiver Please help me if U can.


Thanx In Advance

Saqib Bafati 

hi there i have a question on how to convert audio files in to digital using 8051(P89C51RD+),ADC0831,DAC0808,micraphone and speaker

                  please help!


Hello Sir,

I want to record voice using micraphone and play it again i want use 8051(P89C51RD+)  adc0831 and dac0808 can u please help me


I am doing a prject on digital clock. I want to interface it with an audio system. 

Actually the digital clock is for a classroom. So, i want to display notices using lcd which i have found out a way to but i also want an audio system for important abnnouncements. 

How do I go about it?

Please help asap!

Thank you



 respected sir

muje ek aisa circuit chaiye jisme apn record kr de fir vo hmesha voice sunai de........plz help me..............

How do I purchase this circuit? Can it be reconfigured?

Sir which is the ic that can be used instead APR 93012 in this circuit


I want to control the peripherals based on the commands store in this ic.How to convert those voice into commands for the input to the microcontroller to do the automation


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