Melodili Kapý Zili
R1=470K
C1=22uF 25V
Q1-3= BC 550
R2=22K
C2=470uF 25V
Q2= BC 560
R3=3K9
C3=1 uF 25V
BATT=4X1,5V or external pack 6Vdc
R4-5=330R
D1=1N4001
SP= Speaker 8R /0,5W
R6=2K2
D2=LED RED 3mm
R7=1K2
IC1=7413
All Resistors is 1/4W 5%
