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Posted by n0n4m3 on July 18, 2007, 9:05 pm
Please log in for more thread options > Hello,
>
> I'm a long time insomniac, influenced mostly by how much light I have
> in my room. Lots of light -- little sleep.
>
> I have devised a robot that will open my bedroom blinds in the
> morning, allowing me to simulate a fake "sunrise" at the time I want
> to wake up. That's all well and good!
>
> How can I get the NXT brick to operate in this role? It needs to
> remain powered on for about 8 hours while I sleep, waiting.
>
> Here are some questions I have been unable to answer with Google.
> Hopefully some Lego experts can help me out:
>
> - Is it possible to do that this the Lego firmware (leave it on for
> hours, waiting)?
>
> - Assuming it is possible, is it relatively power-consuming? Most
> electronic devices use very little power with just an LCD screen. I
> would hope NXT would also.
>
> - If I plug the device into USB, will it power itself via USB also?
> It would be easy and worth it to leave a laptop powered on for this
> purpose.
>
> - Will I need one of the custom Java-like firmwares? Do those
> firmwares burn the batteries if they stay on for hours?
>
> - Any other general advice on how I could accomplish this?
>
> If I can do this, I will probably also add a temperature sensor. If
> the temp rises above X degrees inside the room, open the window to
> cool it down! In fact, I could probably just leave the window open
> most of the night, and only shut it once the light sensor detects
> sunrise! (Then later open it again at the time of my fake sunrise)
> So many possibilities :o)
>
> Thanks in advance for your answers and help.
Hi,
you can buy the rechargeable battery, and from personal experience I
can tell you that it lasts longer than conventional AA batteries. You
can
also leave it plugged (charging with the transformer) and this way you
can have your NXT powered "forever".
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>
> I'm a long time insomniac, influenced mostly by how much light I have
> in my room. Lots of light -- little sleep.
>
> I have devised a robot that will open my bedroom blinds in the
> morning, allowing me to simulate a fake "sunrise" at the time I want
> to wake up. That's all well and good!
>
> How can I get the NXT brick to operate in this role? It needs to
> remain powered on for about 8 hours while I sleep, waiting.
>
> Here are some questions I have been unable to answer with Google.
> Hopefully some Lego experts can help me out:
>
> - Is it possible to do that this the Lego firmware (leave it on for
> hours, waiting)?
>
> - Assuming it is possible, is it relatively power-consuming? Most
> electronic devices use very little power with just an LCD screen. I
> would hope NXT would also.
>
> - If I plug the device into USB, will it power itself via USB also?
> It would be easy and worth it to leave a laptop powered on for this
> purpose.
>
> - Will I need one of the custom Java-like firmwares? Do those
> firmwares burn the batteries if they stay on for hours?
>
> - Any other general advice on how I could accomplish this?
>
> If I can do this, I will probably also add a temperature sensor. If
> the temp rises above X degrees inside the room, open the window to
> cool it down! In fact, I could probably just leave the window open
> most of the night, and only shut it once the light sensor detects
> sunrise! (Then later open it again at the time of my fake sunrise)
> So many possibilities :o)
>
> Thanks in advance for your answers and help.