Merge pull request #105 from uugear/master

Add "Witty Pi 2" board from UUGear
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RM 2016-07-24 13:25:44 +01:00 committed by GitHub
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<!--
---
name: Witty Pi 2
class: board
type: rtc,switch,power
formfactor: HAT
image: 'witty-pi-2.png'
manufacturer: UUGear s.r.o.
description: Realtime clock and power management for Raspberry Pi
url: http://www.uugear.com/product/wittypi2/
github: https://github.com/uugear/Witty-Pi-2
buy: http://www.uugear.com/product/wittypi2/
pincount: 40
eeprom: no
power: 5v,3v3
pin:
'3':
name: SDA
mode: i2c
'5':
name: SCL
mode: i2c
'7':
name: HALT
mode: input
'11':
name: LED
mode: output
i2c:
'0x68':
name: DS3231
device: DS3231
-->
# Witty-Pi-2
Witty Pi 2 is the second generation of Witty Pi, which adds realtime clock and power management to your Raspberry Pi. 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. 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. 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. 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.
You can use the two commands below to install software for Witty Pi 2:
```bash
wget http://www.uugear.com/repo/WittyPi2/installWittyPi.sh
sudo sh installWittyPi.sh
```
After the installation is done, reboot your Raspberry Pi and your Witty Pi 2 is ready to go.
Witty Pi 2 supports all Raspberry Pi models that have 40-pin header, including A+, B+, 2B, 3B and Zero.