Documents Shadow Alarm

1. INTRODUCTION The circuit basically works on the photo sensitive transistor which is the most sensitive photo transistor. Unlike the conventional alarms which requires…

Education Minibatch 5-130518000824-phpapp01

1. MINI PROJECT ON CELLPHONE DETECTOR 2. INTRODUCTION  This is a handy, pocket-size mobile transmissiondetector or sniffer  It works from a distance of one and-a-half…