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Rev 1.03
3
2. Parts list
Unused parts are coloured grey
– these are used only in the full build.
Resistors
R27
0.33-ohm, 2 watt resistor
(none)
10-ohm resistor
R2, 19
15K resistor (2 pieces)
R4..10, 28
1.1K resistor (8 pieces)
R3, 11..18, 24
2.2K resistor (10 pieces)
R20
, 22
3.3K resistor (1 pieces used, 1 piece not used)
R21, 30
330-ohm resistor (2 pieces)
R23
8.2K resistor
R29
47K resistor
R1
4.7K trimmer potentiometer resistor
R26
3.3K resistor (not supplied)
R25
4.7K trimmer potentiometer resistor (not supplied)
Capacitors
C1, 2, 3, 7, 8
1uF capacitor (5 pieces)
C5, 6
1uF capacitor (2 pieces)
C4
1nF capacitor
Semiconductors
IC1
74HC595 8-bit shift register, 16-pin DIP package
IC2
7805L 5V regulator, TO92 package
Q3, 4
2N3904 NPN transistor, TO92 package
Q1, 2, 6, 8
2N3906 PNP transistor, TO92 package
Q5
2SC4242 NPN power transistor, TO220 package
Q7
IRF510 N-channel power MOSFET, TO220 package
Q9
BS170 N-channel MOSFET, TO92 package
Miscellaneous
16-pin socket
16-pin DIP socket for IC1
10-pin header
10-pin 0.1-inch header
Heatsink
65mm long PCB-mounting heatsink and pins
Insulation sets
2 pieces silicone rubber insulation pads + washers for the TO220 transistors
Nut and bolt
12mm long M3-size bolt and matching nut
FT50-43
FT50-43 toroid
Wire
100cm 0.33mm diameter wire
PCB
80 x 37mm Printed Circuit Board (PCB)