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    Re: LTTO HEAD SENSORS

    Posted by Mike (mike) Email on October 26, 2005, 11:24 pm, in reply to "Re: LTTO HEAD SENSORS"
    69.208.155.166

    I didn't describe the range issues in as much detail as maybe it deserves. As you know the gun has 3 photodiodes. If you remove the two on the sides, you will only be able to hit the tagger at maximum distance from the front. But if you had a headband with two sensors slightly off to the sides (i.e. not facing directly forward), then this would compensate for not having sensors on the sides of the tagger (under the dome of course). The headband in this setup would also have a sensor dead center in the back.

    Now the problem is that some people may not like taking apart their gun and hacking it up. I could provide modded guns, but alot of the people we play with also have customized guns and want to use their own.

    So the quickest solution is to make a headband with a single front sensor and one in the rear, while leaving the gun stock. Note: this setup will decrease the range. I have seen posts or maybe in chat sessions with TF, where he stated the loss in range would be best case 10% or worst case $25%.

    A better solution would be to design a circuit that would allow the gun to remain stock, but yet allow the use of 3 additional sensors on a headband such that the guns wouldn't suffer a loss in range. That would allow people to come to a game with their own tagger and just plug the sensors in.

    The one issue I have not addressed is how do you allow people to continue to use their rumble pack, but still be able to plug in the sensors. What I could do is buy enough rumble packs to mod. Unfortunately the rumble packs don't have a pin connecting to the "yellow" wire. What you can do to fix this is do the "rumble only when hit mod", then move the yellow wire over to the wire you just cut (think it was brown? See Flux's mod page to verify). After doing this you could hardwire the sensors into the rumble pack itself. The major drawback here is that I would have to buy as many as 25 rumble packs to loan out at games, but it would solve alot of issues.

    I realize I answered your question a long time ago, but I guess I got carried away. I have been dying to make this headband with the hit detection too, but was debating on the 2 or 3 extra sensor design.

    Link: http://www.indylazertag.com


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