
6
R1 : 1M (1 - 0 - 5 - B)
R2 : 2K2 ( 2 - 2 - 2 - B)
2. Resistors
R...
Construction
ZD1 : 12V0
ZD2 : 20V0
ZD3 : 20V0
ZD...
CATHODE
1. Zener diodes. Watch the
polarity!
C2 : 10µF / 35V
4. Electrolytic Capacitors.
Watch the polarity !
D1 : 1N4007
D2 : 1N4007
D3 : 1N4007
D4 : 1N4007
3. Vertical diodes. Watch the
polarity!
5. LED. Watch the polarity!
BUZ1
6. Buzzer
LD1 : 5mm (super red)
SK1 : 4p (type RJ11)
7. Modular Jack
C1 : 1µF / 275VAC
8. Capacitor
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