Merge pull request #99 from uugear/master
Add new boards from UUGear s.r.o.
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Philip Howard
GitHub
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<!--
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---
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name: UUGear 7-port USB hub for Raspberry Pi
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class: board
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type: usb hub
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formfactor: other
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image: 'uugear-7port-usb-hub.png'
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manufacturer: UUGear s.r.o.
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description: 7-port USB hub for Raspberry Pi
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url: http://www.uugear.com/product/7-port-usb-hub-for-raspberry-pi/
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buy: http://www.uugear.com/product/7-port-usb-hub-for-raspberry-pi/
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pincount: 40
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eeprom: no
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power: 5v
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-->
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# UUGear 7-port USB hub for Raspberry Pi
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This is a 7-Port USB hub designed for Raspberry Pi. It extends one USB port on Raspberry Pi to 7 usable USB ports, which allows you to connect much more USB devices to your Raspberry Pi. There is a red LED on board as the power indicator, and seven green LEDs aside the USB ports as transaction indicators.
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This USB hub is compatible with all versions of Raspberry Pi, including the old A/B model, A+/B+ model, compute module (with development kit), Raspberry Pi 2 (B model), Raspberry Pi Zero and Raspberry Pi 3 (B model). The board size of this USB hub is the same with Raspberry Pi B+ or Raspberry Pi 2/3 (B model). The old Raspberry Pi A and B model also have the same size, except that they don’t have those rounded corners. This USB hub has 6 mounting holes at correct positions and could be mounted under any Raspberry Pi model except the compute module.
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For different models of Raspberry Pi, this USB hub uses different approaches to (optionally) back-power the Raspberry Pi, which significantly simplifies your wiring and allows you to power both the USB hub and Raspberry Pi with only one power supply.
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There are also 7 digital output pins on board, which can tell whether a USB port is in used. These output pins are in 3.3V level and can be directly connected to Raspberry Pi’s GPIO pin, or connected to an external microcontroller.
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<!--
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---
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name: Witty Pi
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class: board
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type: rtc,switch,power
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formfactor: HAT
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image: 'witty-pi.png'
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manufacturer: UUGear s.r.o.
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description: Realtime clock and power management for Raspberry Pi
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url: http://www.uugear.com/product/witty-pi-realtime-clock-and-power-management-for-raspberry-pi/
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github: https://github.com/uugear/Witty-Pi
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buy: http://www.uugear.com/product/witty-pi-realtime-clock-and-power-management-for-raspberry-pi/
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pincount: 40
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eeprom: no
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power: 5v
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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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'8':
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name: TXD
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mode: other
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i2c:
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'0x68':
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name: DS1307
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device: DS1307
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-->
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# Witty-Pi
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Witty Pi is an extension board that 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, and the power supply for Raspberry Pi and all its USB peripherals will get fully cut after the shutdown. Witty Pi has a CR2032 backed realtime clock (DS1337) on board, and can keep time for Raspberry Pi when it is off. You can schedule next shutdown/startup of your Pi via the software. A user-defined schedule script could be used for complex use case, which requires scheduling multiple shutdowns and startups at different moments.
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You can use the two commands below to install software for Witty Pi:
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```bash
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wget http://www.uugear.com/repo/WittyPi/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 is ready to go.
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Witty Pi supports all Raspberry Pi models that have 40-pin header, including A+, B+, 2B, 3B and Zero.
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<!--
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---
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name: Zero4U
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class: board
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type: usb hub
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formfactor: pHAT
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image: 'zero4u.png'
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manufacturer: UUGear s.r.o.
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description: 4-port USB hub for Raspberry Pi Zero
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url: http://www.uugear.com/product/zero4u/
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buy: http://www.uugear.com/product/zero4u/
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pincount: 40
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eeprom: no
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power: 5v
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-->
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# Zero4U
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Zero4U is a 4-port USB hub for Raspberry Pi Zero, and it can be mounted to Raspberry Pi Zero back-to-back. The 4 pogo pins on the back will connect the PP1, PP6, PP22 and PP23 testing pads on Raspberry Pi Zero, hence no soldering will be needed to make it work.
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The USB hub will take power directly from your Raspberry Pi Zero, so you don’t need to power the USB hub separately. However you can use the JST XH2.54 connector on board as the alternative power input.
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There are one blue LED on board as the power indicator, and four white LED aside the USB ports as transaction indicators.
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This USB hub can also work with other types of computer. You can use a USB cable to connect the mini-USB port on board to a USB port on the computer.
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