Quiz Buzzer Using 8051 Circuit Diagram
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2-1 Quiz Buzzer Circuit Diagram
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School/college quiz buzzer circuit diagram using 555 timer ic
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![Quiz Buzzer Circuit for Eight players using IC 74LS373 | EE Project](https://i.ytimg.com/vi/mljXSRayRuA/maxresdefault.jpg)
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![School/College Quiz Buzzer Circuit Diagram using 555 Timer IC](https://i2.wp.com/circuitdigest.com/sites/default/files/projectimage/simple-Quiz-Buzzer-Circuit-using-555-Timer-IC.jpg)
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