Witty Pi 2: Realtime Clock and Power Management for Raspberry Pi

Witty Pi 2 is the new generation of Witty Pi, which adds RTC and power management to your Raspberry Pi,
and can define complex ON/OFF sequence with simple script. Witty Pi 2 supports all Raspberry Pi models with 40-pin header,
including A+, B+, 2B, Zero and 3B.

After installing the software on your Raspberry Pi, you can enjoy these amazing new features:
Single tap on the button to gracefully turn on/off Raspberry Pi.
After shutdown, the power for Raspberry Pi and all its USB peripherals are fully cut.
Raspberry Pi knows the correct time, even without accessing the Internet.
You can schedule the startup/shutdown of your Raspberry Pi.
You can even write a script to define complex ON/OFF sequence.


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Dimension: 65mm x 56mm x 19mm
Weight: 24g (net weight without battery)
LED Indicator: A white LED
Connector: 40-pin stackable header
Battery: CR2032 or CR2025 (for time keeping)
Power In: DC 5V (via micro USB or XH2.54 connector)
Output Current: Maximum 3A for Raspberry Pi and its peripherals
Static Current:
~ 1mA in average with dummy load off (default)
~15mA in average with dummy load on
Operating Temperature: -30℃~80℃ (-22°F~176°F)
Storage Temperature: -40℃~85℃ (-40°F~185°F)
Humidity: 0~80%RH, no condensing
Note: Raspberry PI B+ not include

Specific References