Brief LM393 comparator controlling NPN BJT switch with active buzzer load circuit

Table of Contents

Comparators and op amps are better at switching transistors on and off than acting as switches themselves.

Diagram

Simple LM393 comparator controlled NPN BJT switch with actuve buzzer circuit schematic diagram by electronzap electronzapdotcom
Simple LM393 comparator controlled NPN BJT switch with actuve buzzer circuit schematic diagram by electronzap electronzapdotcom



Kit that has everything you need to learn basic electronics and Arduino.

Video

Quick LM393 comparator controlled 2N3904 NPN BJT switch with active buzzer load circuit

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