Instructions

- 7 -
Construction
Board-to-wire connector
12
SK2 : External control 
Electrolytic capacitors
14
C...
C11 ... C13 : 4,7μF 
C14, C16 : 220μF 
Terminal block
15
SK5 : 2p  (speaker)
LEDs
13
COLOR= 2...5
LD...
CATHODE
LD1 : 3mm green (power) 
LD2 : 3mm red (play/record) 
Vertical cinch connector
16
J
SK3 : Line in 
SK4 : Line out 
IC’s
17
Watch the Watch the
polarity!polarity!
Watch the Watch the
polarity!polarity!
IC1 : ISD17240PY  (voice REC/playback chip)
IC2 : LM386 
Sampling Frequency
Turn RV1 left to decrease the sample
rate and increase the total recording
time, turn it fully clockwise to de-
crease the total recording time. The
shorter the recording time the higher
the quality of the played message.
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