Component List
Resistors
R1, R10, R15
0R (black)
R2, R3, R9
10k (brown, black, orange, gold)
R4
100R (brown, black, brown, gold)
R5
470R (yellow, purple, brown, gold)
R6
47R (yellow, purple, black, gold)
R7
150R (brown, green, brown, gold)
R8
1R (brown, black, gold, gold)
R11, R12, R13, R14
150k (brown, green, yellow, gold)
Capacitors
C1
10uF electrolytic (blue or black)
C2
100uF electrolytic (blue or black)
C3, C8
220uF electrolytic (blue or black)
C4, C5, C9
100nF ceramic (brown, marked ‘104’)
C6
10uF tantalum (yellow/brown, beaded)
C7
100nF polyester (yellow or blue, square)
Semiconductors
TR1
ZTX689B transistor (black)
REG
LD1117V33 LDO 3.3V 0.8A regulator (black/silver)
LED red
IC1
MCP4921 12-bit DAC + 8-pin socket
IC2
dsPIC33FJ128GP802 microcontroller (BB3X) + 28-pin socket
Miscellaneous
LDR1 - LDR4
miniature light-dependent resistor
S1 - S6
miniature tactile pushbutton
AUDIO
3.5mm jack socket
BATTERY
PP3 moulded battery snap + 4 x AA battery box
POWER
2.1mm dc power socket
PCB
Self-adhesive rubber feet x 4
Design and documentation © MadLab Ltd. 2012
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