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C1
Capacitance
Capacitance
C2
Capacitance
Capacitance
BZ1
LED3
R1
Resistance
1KΩ
C3
Capacitance
10uF
R2
Resistance
2KΩ
R3
Resistance
1KΩ
R4
Resistance
0.2 Ω
J1
Q2
Q1
U1
SW1
IC1
D1
R6
Resistance
Resistance
Resistance
5.1kΩ
J2
R5
Resistance
Resistance
Resistance
5.1kΩ

Doorbell with Camera Reference Design