
Component List
Resistors
R1
100R (brown, black, brown, gold)
R2, R6
1R (brown, black, gold, gold)
R3
220R (red, red, brown, gold)
R4
1k (brown, black, red, gold)
R5
10k (brown, black, orange, gold)
VR1
47k variable re spindle
Capacitors
C1, C2
100uF electrolytic (blue or black)
C3, C4
100nF ceramic (brown, marked ‘104’)
Semiconductors
TR1
BC547B transistor (black)
TR2
MPSA13 Darlington (black)
IC1
PIC12F1840 microcont 8-pin socket
LED (red) x 2
Miscellaneous
LDR
light-dependent resistor
S1
miniature tactile pushbutton
SPEAKER
enclosed speaker
motor
off-centre weight (yellow)
battery holder x 2
hex spacer x 3
bolt x 6
cable tie x 3
jump ring x 8
self-tapping screw x 4
washer x 16
elastic cord, 50cm (black)
pre-cut wire x 2
sleeving (grey) x 2
PCB
Design and documentation © MadLab Ltd. 2019
Email: [email protected]
Twitter/Instagram: @clubmadlab