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Sparkfun support will be closed from 3:00PM to 4:15PM on April 27th for a company-wide townhall meeting. We will resume regular hours on the 28th.

Member #52138

Member Since: November 6, 2008

Country: United States

  • Yes, having the RTC battery input would be very useful, not to mention that the voltage regulator draws more power that the CPU in power down mode. Also, the voltage divider network to read the battery voltage uses 1Meg resistors, but the input impedance of the ADC is approximately 40K - huge measurement error!

No public wish lists :(