Simple continuity tester circuit diagram

This simple continuity tester circuit constructed with single npn switching transistor SL100, this circuit will give…

Simple Regulated DC without Regulator IC

Simple Regulated DC without Regulator IC, Yes here is the Simple Regulated DC supply circuit without…

Audio Amplifier-Low power

Simple two stage resistor capacitor coupled low power audio amplifier using npn transistor BC547 designed, This…