Alarm music for sensor circuit using UM3483
Alarm music for sensor circuit using UM3483
R1,3,4 ……….. 100K
R2 …………… 56K
R5 …………… 330K
VR …………… trimport 100K
C1 …………… 33pF
C2 …………… 22uF/10V
C3 …………… 100nF
C4 …………… 4,7uF/10V
C5,6 …………. 20nF
C7 …………… 100uF/10V
Q1 …………… 9012
Q2 …………… 9013
IC1 ………….. UM3483, MB683
S1 …………… Push on Sw
SP …………… 8 ohm
Alarm music for sensor circuit using UM3483
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