Membuat UV LED Meter 12 led
Rangkaian 12 led ini function to indicate the height level of sound, which in the show led with a flame Supply voltage is needed in the series is 12V. 12 led work if audio voltage into a series of valuable 1.3 volt
Gambar Skema rangkaian 12 Led Sound Meter
components List.
D1 = IN4002
R1 = 10 ohm
R2 = R5 = 820 ohm
R3 = 10 k
R4 = 47 k
IC = LB1403
C1 = 100n (104 J)
C2 = 4.7 uF/16v
VR = 100k trimpot
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