Circuit Door Buzzer by NE555 + LM386

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Circuit Door Buzzer by NE555 + LM386

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This is Easy and Mini Door Buzzer, It use IC 555 for OSC and
IC LM386 for Boost Sound Buzzer to Speaker 8 OHM

Circuit Door Buzzer by NE555 + LM386

Circuit Door Buzzer by NE555 + LM386




 
Home/Garden
Circuit Door Buzzer by NE555 + LM386
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