Battery backup for Adafruit Ultimate GPS Breakout - 66 channel w/10 Hz updates - Version 3

I was testing that [1] gps chip for a last few weeks - it was great, but it was preforming "cold start" every time it was turned on. Today I finally soldiered the battery holder and slided a CR1220 battery in. If you're using the same board without the battery get one immediately. Time to fix is now a few seconds (used to be up to 15 minutes) and it gets the fix fairly quickly indoor as well!!

I'm planning to use that board in the Open Cycling Computer project. More to come.

[1] https://www.adafruit.com/products/746

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