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MTK GPS: how to add a backup battery?

Posted by Dror Caspi on March 20, 2011 at 12:49pm

Hi,I have the MTK GPS basic board, without the backup battery. This has the very annoying effect of having to wait "forever" after each main battery disconnect. I understant that the GPS does a cold restart since it loses its RAM content. So the question is: can I connect a backup battery? How do I do this?[In the attached picture: this is me waiting and waiting and waiting in vain for the GPS to lock...]Dror

2011_0318 075 מטיסים בכפר ביאליק.JPG

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Replies

d-creator March 24, 2011 at 1:58am

Dror i have tons of these holders... in many variations
d-creator March 20, 2011 at 3:20pm

Hi Dror i found mkt datasheet, you only need wto leads of the battery to the board. I'll try to upload the file.

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