GSM Based Cell Phone Controlled Remote Switching Circuit | Homemade Circuit Designs Just for You: Thanks for sharing the brilliant idea and circuit,sir.
*Are these 3.5 mm headphone pins available at the stores?
I feel it difficult to peel off the outer sheath of my headphone jack to take the pin out.
*What is the inductance of the buzzer coil used?Could it be replaced by one of the coils of a miniature driver transformer?
*Why T3 is a pnp transistor..?
I'am a beginner..
Regards
-Pranav
