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GPS power consumption

Posted by Himanshu Agrawal on October 9, 2012 at 5:53am

Hi ... i am using this GPS with arduimu v3:

http://store.diydrones.com/MediaTek_MT3329_GPS_10Hz_Adapter_Basic_p/mt3329-02.html

I wish to operate GPS only periodically i.e to take reading ...put it to power down mode and after some time again take the reading and so on .....how to do it...

GPS has got an enable pin ...On setting Enable pin to 0 does the power consumption decreases..??

Thanks in advance...

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Replies

Luke Olson October 10, 2012 at 12:50pm

I would not power down the GPS because it may take a while before it gets a fix again. Sometimes several minutes depending on the conditions. The power consumption of the GPS is very small (only 37mA) and would have no discernable impact on flight times. If you're looking for ways to improve efficiency there are discernable gains to be had with motors and props or reducing weight.

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