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  1. For those that don't follow the 43oh Blog: @@Fmilburn published a great write-up about how to use EnergyTrace to measure and improve power consumption and battery life of an Energia sketch. The article includes a nice demonstration of the effectiveness of sleep() vs. delay(). http://43oh.com/2015/09/how-to-measure-an-energia-applications-power-usage-with-energytrace/ He also shows how an EnergyTrace compatible LaunchPad (e.g. FR5969) can be used to measure power consumption of an older LaunchPad (e.g. G2553). This probably works for standalone projects as well.
  2. Finally I'll share some of my binary watch project with you guys. Some features: - 11 LEDs charlieplexed on 2x 3 I/O pins (6 LEDs per 3 I/O lines, one LED not placed) - As low power as can get (900 nA in stand-by) - 14-pin value lin MSP430 - watch crystal sourced (32768Hz) - two buttons (of which one is on the reset line) - well under 2kB code (1.6kB) The "display refresh rate" is 512Hz, which makes the "pixel refresh rate" at 85Hz, a comfortable rate for the eye. The WDT is used as a minute timer (2 second hardware, 30 iterations in software), sourced from the crystal, I
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