Hi Friends, It a laser security which you can also call a Laser Trip Wire Alarm. If someone disturbs the laser pointing towards LDR then the alarm will turn on and will stay on untill reset button is turned on. Safety First As we all know that laser light is a very powerful beam of light and s...By: gauravb
Continue Reading »
from Instructables: exploring - technology - robots http://ift.tt/1w9jAaH
0 comments:
Post a Comment