67 lines
1.9 KiB
Markdown
67 lines
1.9 KiB
Markdown
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<!--
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---
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name: Witty Pi 2
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class: board
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type: power,rtc
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formfactor: HAT
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manufacturer: UUGear
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description: Realtime clock and power management for Raspberry Pi
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url: http://www.uugear.com/product/wittypi2/
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github: https://github.com/uugear/Witty-Pi-2
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buy: http://www.uugear.com/product/wittypi2/
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image: 'uugear-witty-pi-2.png'
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pincount: 40
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eeprom: no
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power:
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'1':
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'2':
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ground:
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'6':
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'9':
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'14':
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'20':
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'25':
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'30':
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'34':
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'39':
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pin:
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'3':
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name: SDA
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mode: i2c
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'5':
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name: SCL
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mode: i2c
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'7':
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name: HALT
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mode: input
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'11':
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name: LED
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mode: output
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i2c:
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'0x68':
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name: DS3231
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device: DS3231
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-->
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# Witty Pi 2
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Witty Pi 2 is the second generation of Witty Pi, which adds realtime clock and power management to your Raspberry Pi.
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You can turn on/off your Raspberry Pi with a single tap on the button on Witty Pi 2, and the power supply for Raspberry Pi and all its USB peripherals will get fully cut after the shutdown.
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Witty Pi 2 has a CR2032 backed realtime clock (DS3231) on board, and can accurately keep time for Raspberry Pi. The built-in temperature sensor can tell the temperature around your Raspberry Pi too.
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You can schedule next shutdown/startup of your Pi via the software. Complex ON/OFF sequence for Raspberry Pi can be achieved by applying a user-defined schedule script.
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If you are using power bank as power supply, the new dummy load feature can keep power bank alive with low current consumption. The newly added 6-pin female header breaks out some important signals for integration/extension.
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You can use the two commands below to install software for Witty Pi 2:
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```bash
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wget http://www.uugear.com/repo/WittyPi2/installWittyPi.sh
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sudo sh installWittyPi.sh
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```
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After the installation is done, reboot your Raspberry Pi and your Witty Pi 2 is ready to go.
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Witty Pi 2 supports all Raspberry Pi models that have 40-pin header, including A+, B+, 2B, 3B and Zero.
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