CoolJunk Physics Project Kit - Security Alarm System(Multicolor)

This DIY (Do-It-Yourself) kit is meant for Class XII science students using which they can make their 'Physics Investigatory Project' within 30 minutes, write their project report, understand the basic underlying concepts and have confidence to face Viva questions. Each kit comes packaged with requisite tools & components, high quality step-wise visual instructions for making, learning videos and a reference manual for subject theory. Using this kit, students can make the following projects: 1) Security Alarm System using an IR Sensor: Building transmitter and receiver circuits using an IR LED and a photodiode; triggering and giving feedback to relay for continuous beeping of alarm in case of any obstacle detection.