Velleman K8019, Manual, Page: 7 / 20

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7
Ceramic Capacitors

C1: 10nF (103)

C2: 10nF (103)

C3: 10nF (103)

C4: 4.7nF (472)

C5: 4.7nF (472)

C6: 4.7nF (472)

C12: 100pF (101)

C13: 100pF (101)

C14: 470pF (471)

C16: 22pF (22)

C17: 22pF (22)

C18: 470nF (474)
C...
8
Transistors
9
Buzzer
10
Terminal block
13
Electrolytic capacitors
11
USB connector
12
Board to wire ‘male’ 
T1: BC547B

T2: BC547B

T3: BC547B

T4: BC557

BUZ1

SK5: 2p
(power)

SK3

SK1: 6p
+
BUZ1
BUZ
1

Watch the polarity! Watch the polarity!

C15: 4,7
μ
F

C19: 100
μ
F
Watch the polarity! Watch the polarity!
14
Terminal block
15
Quartz crystal

SK4: 3p
(Relay out)

X1: 12MHz

SK4: 3p
Construction