Velleman K8094, Illustrated Assembly Manual

Page: 7 / 12

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Const ruc t ion
Board-to-wire connector
1 2
SK2 : External control

Electrolytic capacitors 1 4
C... C11 ... C13 : 4,7
μ
F

C14, C16 : 220
μ
F

Terminal block
1 5
SK5 : 2p

(speaker)
LEDs
1 3
COLOR= 2...5
LD...
CATHODE
LD1 : 3mm green (power)

LD2 : 3mm red (play/record)

Vertical cinch connector 1 6
J
SK3 : Line in

SK4 : Line out

IC’s
1 7
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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