Referee Gun

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I'm running a lasertag birthday party for my 10 year old son tomorrow. I realised that with 10 Milestag guns that key switches are insufficient to manage such an event. I had a few bits lying around so I created the most unusual referee gun I have seen to date. I had a handgrip/trigger and a focus tube to hand.I just added a LCD mount to a box I had:

Domination Tube Completed

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The domination tube is complete now after painting the tube and fitting a set of RGB LEDs that I had in the junk box. I've also added a keyswitch and a power indicator LED. It looks OK:

And of course because the tube is removal, it is slightly more storable:

More Dom Tube

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The Milestag domination tube requires that TSOP4856 sensor is mounted within the domination tube. I'm using standard 110mm drain pipe for my tube, so I designed this bracket to mount the sensor centrally when it is soldered to a small piece of Veroboard. It also has a hole to allow the cables to pass through and be tie-wrapped:

Here it is fastened inside the tube with a couple of self tapping screws: