Hi everybody!
Is there any solution to get the actual current that feeds the spark core on the VIN port?
It would be great to know somehow when should we change/recharge the battery.
Kind regards,
Noten
You can get a current sensor to do so.
Something like the ACS712 - https://www.sparkfun.com/products/8883
Polulu has a huge range and not pricey - http://www.pololu.com/category/118/current-sensors
@timb is working on a battery shield with a fuel gauge so you can know the capacity of the battery and auto charging etc…
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Noten, there is also this i2c current/voltage sensor from adafruit:
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Thank you guys! This is exactly what i need 
Noten