6
Construction
R1 ... R21 : 1K
(1 - 0 - 2 - B)
R22
: 4.7
(4 - 7 - B - B)
R23 ... R36 : 100K (1 - 0 - 0 - 3 - 1)
R37 ... R46 : 200K (2 - 0 - 0 - 3 - 1)
2. Resistors.
R...
D1 ... D10 : 1N4148
D11 ... D14 : 1N4007
1. Diodes (check the polarity)
CATHODE
D...
IC1 : 20p
3. IC socket. Watch the position of
the notch!
LD1 ... LD11 : 3mm RED
LD1 … LD8 : Output indication
LD9 :
USB
DATA
LD10
: USB power indication
LD11
: Relay power indication
6. LEDs. Watch the polarity!
LD1
CATHODE
T1
T2
T3
T4
T5 BC547B
T6
T7
T8
7. Transistors
T1
SK10 : B - female
8. USB connector
C1, C2 : 22pF (22)
C3 :
10nF
(103)
C4 ... C6 : 100nF (104)
C7 :
470nF
(474)
4. Capacitors
c...
3pins:
JP1 : event
Set event jumper default to Off.
9. Pinheader
SW1 ... SW8
(channel 1 to 8)
5. Push button
