The cut-off voltage for AA batteries is 1.8V, so there is only a marginal amount of energy actually left in the batteries when the system reaches 2.1V. You may want to check out the battery curves for AA batteries and learn more in general about how alkaline batteries perform under load. A good places to get started is http://data.energizer.com/
There is no voltage boost on the Tmote Sky, because the voltage boost from 1.8V to 2.1V would actually have very little to no effect because the amount of energy required to perform the boost is larger than the amount of remaining energy in the batteries. -Joe On 6/14/07, manu suryavansh <[EMAIL PROTECTED]> wrote:
Hi, The tmote sky system can work from 2.1V to 3.6V. In that case when the battery voltage drops to below 2.1V it will stop working and the remaining energy stored in the battery will not be used, so if the battery has 2200mAh of energy not all of it will be used, is this correct?. Is there any voltage up converter present on the system? Thank you Manu Suryavansh ________________________________ Sick sense of humor? Visit Yahoo! TV's Comedy with an Edge to see what's on, when. _______________________________________________ Tinyos-help mailing list [email protected] https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
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