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How To Make A Water Level Indicator

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Nov 17, 2013
7:52

The Things You Need Are: *BC547 Transistor (x3) *LED (x3) *330 Ohm Resistor (x3) *Buzzer *9V Battery *9V Battery Clip *Breadboard *Wires Circuit Diagram Links: Facebook: https://www.facebook.com/photo.php?fbid=427535987368216&set=a.337503066371509.1073741825.277921902329626&type=1&theater Website: http://ayj.webs.com/apps/photos/photo?photoid=186738697 Website: www.ayj.webs.com

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How To Make A Water Level Indicator | NatokHD