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BigDPS View Drop Down
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Joined: 13 Dec 2007
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  Quote BigDPS Quote  Post ReplyReply Direct Link To This Post Posted: 11 Dec 2011 at 2:57pm
Isn't it the way for things to happen, your display dies when you are the furthest away?Wink

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  Quote LightChristmas Quote  Post ReplyReply Direct Link To This Post Posted: 11 Dec 2011 at 5:31pm
Minis are doing the trick. Think I now know how that UAV went down in Iran!

Mil-Spec - lowest cost, worst reliability.

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  Quote LightsOnLogan Quote  Post ReplyReply Direct Link To This Post Posted: 12 Dec 2011 at 8:42am
As for RS-485 chips, I've been happy with Maxim 13082E this year.  They are not MIL spec, but I figured I would give them a shot since the recommendation which led me to them came from Canada.

Michael
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  Quote LightsOnLogan Quote  Post ReplyReply Direct Link To This Post Posted: 12 Dec 2011 at 8:50am
So far keeping 200 watts of light (2 100W bulbs) attached to a thermostat and sitting on the side of the Q-Spot nearest the microcontroller is doing the trick at getting the Q-Spot to start up each day.  When the show begins I turn off the "heater lights".  During the night I have the channel set to be on for 10 minutes of every hour (minimal heating to prevent frost), and around midday I have the channel set to turn on continuous leading up to the show.  The thermostat is set to 75F so once it hits that it starts cycling based on temperature.

I have no idea why it became temperamental this year.  In the past I've been able to start it up in single degree weather without any problem.

Michael
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  Quote BigDPS Quote  Post ReplyReply Direct Link To This Post Posted: 12 Dec 2011 at 5:53pm
You tell me about temperature. One day it's misty, fog and rain and the next, 5 degrees below zero. These boxes then start behaving at their own discretion!

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