- Sirene Bel Pintu
Daftar komponen :Resistor:
R1................................... 51k
R2................................... 68k
R2................................... 37k
Kapasitor:
C1................................... 1000 uF
C2................................... 100 uF
Transistor:
Tr1.................................. 2N 4124
Tr2.................................. 2N 4124
Speaker............................ 2 inci / 2 Ω
Tombol Push bottom
- Bel Mini
Daftar komponen:Resistor:
R1................................... 27k
R2................................... 68k
Kapasitor:
C1................................... 100 mikro F/12V
C2................................... 0,02 mikro F
C3................................... 50 mikro F/12V
Transistor:
Tr1.................................. BD136, 2SB243, 2SB493, 2SB474
Tr2.................................. BD135
Speaker............................ 2 inci
- Bel Sepeda
Daftar komponen:Resistor:
R1................................... 27k
R2................................... 68k
Kapasitor:
C..................................... 100 uF/12v
C1................................... 0,02 uF
C2................................... 50 uF/12v
Transistor:
Tr1.................................. 2n554
Tr2.................................. 2n554
Speaker............................ 2 inci
sumber : nadanadida.blogspot.com
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