Voice Recorder




PARTS LIST


R1 = 1k

R2 = 470k

R3 = 10k

R4 = 5k1

R5 = 4k7

R6,7 = 100k

R8,9 = 1M

R10 = 10R

C1-10 = 100nF/63V

C11 = 47nF/63V

E1,4 = 220uF/16V

E2 = 4u7F/16V

E3 = 22uF/16V

IC1 = ISD2560 + socket

IC2 =LM78L05

IC3 = LM386 + socket

MIC = Condensator microphone

S1,2 = Pushbutton (S1 = Start and Pause. S2 = Stop and Reset)

S3 = Change-over switch

Hψjttaler = 8R speaker

The 2 pushbuttons = S1: Start/Pause. S2: Stop/Reset.


If you want to play your message, put S3 at Play. Then push S1 to start playing and again to pause.If you want to delete your message press S2 twice.If you want to record a message put S3 at Rec. Then push S1 to start and S2 to stop