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 Robotics / RCX / legOS / 962
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Subject: 
Battery life question
Newsgroups: 
lugnet.robotics.rcx.legos
Date: 
Sun, 26 Mar 2000 21:22:13 GMT
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I searched through the archives and couldn't find anything that
specifically addressed this question, so I figured I might as well ask.

What would the expected battery life of the RCX be while simply sitting in
a loop calling sleep with large values? I.e. something like this:

while(stillBored)
  sleep(60);

assuming the LCD is cleared and no other tasks are active. Would this
consume noticeably more power than simply being turned off? I'm not really
sure what I'd do with this. I have a vague idea about having the thing sit
around and spontaneously coming to life and doing something, but I'm not
really sure. In any case, the answer to the question would be interesting.

--
"Our doubts are traitors, and make us lose the good we oft might win by
fearing to attempt." - William Shakespeare

Mike Ash - <http://www.mikeash.com/>, <mailto:mail@mikeash.com>



Message has 1 Reply:
  Re: Battery life question
 
(...) I measured the RCX consumes about 33mA in ROM or Lego Firmware, around 26.5mA under LegOS (due to the sleep instruction in the idle task), and it will use 0.034mA when turned off. No matter how long you sleep in your task, the RCX will consume (...) (25 years ago, 26-Mar-00, to lugnet.robotics.rcx.legos)  

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