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help with ir and laser please

Discussion in 'Electronic Design' started by doug, Mar 24, 2005.

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  1. doug

    doug Guest

    i'm a geocacher and i have an idea for a nifty night cache but i'll
    need a ton of help implementing it. what i'd like to do is send
    people to specific coordinates in the woods at night and have them
    shine thier (tv dvd cd vcr etc) ir remote control into a tree where i
    have an ir reciever that will respond to any button they push by
    turning on a laser pointer that i have aimed at the cache a hundred or
    so yards away. Ideally the laser would stay on for three to five
    minutes to give the cacher time to get to the cache but not so long as
    to drain batteries or damage the laser. i would need some kinda solar
    cell to charge up the batteries during the day and maybe a Cds so the
    receiver and laser will only draw after dark. any help or links would
    be GREATLY appreciated. gotta have the neatest cache in the area ya
    know. i'm pretty ham fisted, and not the greatest solderer so any
    help, no matter how simplistic would be great.

    TIA doug
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