Velleman KSR2 - Manual (Page 3)

KSR2 VELLEMAN 3
Q2/4 transistor 8050 2
Q1/3 transistor 1815 (or C945) 2
VR variable resistor 100K 1
MIC microphone 1
IC1 IC 4069 1
IC2 IC 4017 1
SW slide switch 1
ML + -
MR + -
3V +
9V +
G
Ø1.3mm pin 8
b) Gearbox Assembly
Part ID Motor’s “+” Pole Motor’s “-” Pole
right gearbox yellow wire blue wire
left gearbox orange wire green wire
Note that the protruding edge should be pointed towards the metal case. The yellow wire is the positive (+) pole of
the motor, the green wire is the negative pole (-).
Fig. 3
right gearbox
after assembly left gearbox
after assembly