help required for microcontrolle based voice recognition system using hm2007

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kunal123

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hello everyone,
i required help for making making microcontroller based voice recognition system using hm2007 & avr microcontroller,
i refer following pdf for building voice recognition system using hm2007 & i build the circuit, i tried prcedure mentioned in pdf, but enable to stor voice data in hm2007, suggest me some solution

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hello,
i want to build Programming board for HM 2007 for that i refer following
https://www.imagesco.com/articles/hm2007/SpeechRecognitionTutorial02.html

but in that circuit vcc given to sram chip via BAT85 diode, but i gave vcc directly to sram chip, is there any difference, i unable to store voice data
 

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