Base station repeater

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Xbox controller dongle, SIP cordless phone base, BeagleBone Black, and a Mikrotik Routerboard (with 3 x R52Hn cards).  We later swapped the drill battery for a LiPo pack and added a USB hub to make the Xbox dongle happier.

Drill battery power

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Our first attempt at power for the base station repeater was using 18V drill batteries.  Worked great until we killed one due to drawing the voltage down too low – I guess there isn’t a protection circuit built into them.