Digital Voice Record and Playback Project by ISD2560P

Project Summary

This project is based on ISD2560P IC which allows you to record 60 seconds voice and then playback it with very high quality.
Project Description

As shown in the schematic, the input soruce is an electret microphone. If a dynamic microphone is used, R2,R3,R4 resistors and C3,C5,C7 capacitors will be omitted and