UUGear Zero4U User Manual Download

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Table of Content

Product Overview ................................................................................................. 1

Package Content .................................................................................................. 3

Specifications ....................................................................................................... 4

About Powering Mode .......................................................................................... 5

Self-Power Mode .......................................................................................... 5

Bus-Power Mode .......................................................................................... 5

Usage Guide ........................................................................................................ 6

Troubleshooting: USB Hub Not Recognized ........................................................ 9

Revision History ................................................................................................. 11

Summary of Contents for Zero4U

Page 2: ...o All rights reserved Table of Content Product Overview 1 Package Content 3 Specifications 4 About Powering Mode 5 Self Power Mode 5 Bus Power Mode 5 Usage Guide 6 Troubleshooting USB Hub Not Recogni...

Page 3: ...Pi Zero so you don t either need soldering wires or the USB OTG cable and USB mini USB cable to connect the USB hub and Raspberry Pi Zero Although it is designed for Raspberry Pi Zero you can still us...

Page 4: ...1 3 only 1 4 Downstream USB ports 5 8 White LEDs as activity indicators 9 Two pogo pins at back for data connection 10 Alternative DC 5V power in 11 Two pogo pins at back for power connection 12 Blue...

Page 5: ...3 Package Content Each package of this USB hub contains l 4 port USB hub board x 1 l Plastic spacer x 4 l M2 5 x 10mm screws x 4 l M2 5 nuts x 4 l Ferrite Ring x 1 for V1 3 only...

Page 6: ...ownstream 4 LED Indicators Power 1 blue Port Activity 4 white Power Mode On Raspberry Pi Zero Self Power On Other Models Bus Power or Self Power Output Voltage DC 5V Output Current Bus Power maximum 5...

Page 7: ...mode If you use a USB mini USB cable to connect this USB hub to other models of Raspberry Pi and you connect power supply to the USB hub via the white JST XH2 54 2 pin connector on board then it is s...

Page 8: ...ly to Raspberry Pi Zero either micro USB port will do then you will see both Raspberry Pi Zero and the USB hub are powered If you plug a USB device into any of the 4 USB ports the port activity LED wh...

Page 9: ...to connect any USB 1 1 device to the USB hub otherwise all devices on the hub will be slowed down to the USB 1 1 speed 12 Mbps If you only connect USB 2 0 devices to this USB hub all of devices on the...

Page 10: ...powered by the USB bus This will limit the output current to 500mA for all USB ports on the hub If you also connect an alternative power supply to the USB hub via the white connector on board the USB...

Page 11: ...abled the Ethernet Gadget on your Raspberry Pi Zero tutorial is here The USB port on Raspberry Pi could work in either host mode or slave mode By default the USB port is in host mode which allows you...

Page 12: ...Zero to stay in host mode that way Zero4U could be recognized successfully Please notice that shorting ID pin to ground can override the software configuration Even if you keep the dtoverlay dwc2 in...

Page 13: ...Date Description 1 00 2016 04 04 Initial revision 1 10 2017 01 23 Update pictures for second revision of Zero4U v1 3 Add troubleshooting of hub not recognized issue 1 20 2017 03 21 Add description for...