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OpenLoggage - open source data logging platform
1.
2. Why OpenLoggage
0 Motivation:
0 What happens to my luggage after check-in counter at
the airport?
0 Hot? Cold? Dropped? Opened?
0 Open =
0 open source hardware and software
0 “crystal-clear”
0 Loggage =
0 log + luggage
4. Features
0 In scope
0 Temperature
0 Light (see if luggage was opened)
0 Shock/drop (accelerometer)
0 Log microSDcard
0 Out of scope
0 GPS due to antenna
0 On the fence
0 Built-in li-ion charger
0 Serial or USB interface
8. Power Management Tip 1
0 Drop from 5v to 3.3v
0 Drop from 16Mhz to 8Mhz
0 Set uC into Sleep mode
44.1
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0.495
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Arduino Arduino Sleep OLGA w/ sleep
Arduino Current Draw Improvement
Current
9. More info
0 Blog posts in sept/oct 2013
0Calculating Arduino Uno power draw
http://gadgetmakersblog.com/arduino-power-
consumption/
0Calculating Atmel328 power draw
0http://gadgetmakersblog.com/power-consumption-
arduinos-atmega328-microcontroller/
10. Power Management Tip 2
0 Switch Power to peripherals
0 User microcontroller pin if <30-40mA
0 User FET to if >30-40mA