i just wanna know a mini project with low cost for ece dept.... please reply me soon.........

hi... I need the circuit diagram of laser torch based transmission and reception, automatic light controller in a room with visitor counter using microcontroller

156 Views|Posted 2012-07-23 11:38:15

Asked by Vigneshwari.R

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Answered by

Goutam Chatterjee | Guide-Level 11

2012-07-24 13:01:22

Thanks @manmeet. You will have to design the circuit and that is all about project. Similar projects can be found in 'Electronics for You' magazine.Cost will be lower, if you use LED instead of LASER.