SKEMA RANGKAIAN AMPLIFIER
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Showing posts with label
bel pintu 555
.
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Showing posts with label
bel pintu 555
.
Show all posts
Saturday, July 9, 2011
Door Bell
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ENGLISH and INDONESIAN >< The main part of this doorbell circuit are two NE555 timer ICs.When some one presses switch S1 momentaril...
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