Questions tagged [usb-hub]
The usb-hub tag has no usage guidance.
165
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FE1.1S-based USB hub not being recognized
I made an FE1.1S-based USB hub 4 layer PCB. It worked fine at first, then it stopped responding. I tried to solder a new IC, but It's still not working and shows a message “not recognized” from the ...
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1
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92
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RTL8153 without EEPROM
I am making a usb hub board with built-in ethernet to USB feature with RTL8153.
Similar to the following post I found the datasheet does not say anything regarding how to program the eeprom or if it ...
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Will my circuit to add status LEDs to indicate VBUS current draw work as intended?
I am a mechanical engineer with very limited electronics knowledge. Recently I decided to undertake a project to design a USB 3.1 hub for a personal project, to get a better understanding of ...
3
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1
answer
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How can one have a canonically correct USB 2.0 Bus Powered Hub (100ma limit per port) with Type-C Downstream Facing Ports
Through research I am aware that using the CC lines one can advertise "Default" (500mA for 2.0 and 900mA For 3.0+), 1.5A and 3A before getting into PD territory, but none of these include ...
2
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1
answer
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Help me identify the blown part, SMD, 5-pin "5AH10"
Pic 1 (the ic):
Pic 2 (the ic):
Pic 3 (the ic):
Pic 4 (the hub board):
Pic 5 (back side of the hub ic right above the big ribbon cable female connector):
This IC is found in the USB hub of the HP ...
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Poor signal through USB 2.0 Hub IC
I’m using an FE1.1S, using only 2 ports which are connected to a Ublox GPS F9P and another to an STM32.
Connecting it to a computer, the hub and com ports show up just fine and I can connect to them.
...
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82
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Odd USB Hub + USB to UART Behavior
I've condensensed several USB connections into 1 leveraging the FE1.1s. I built an eval board that tests this setup prior to implementing into the bigger project (see attached schematic).
The FE1.1s ...
0
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1
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256
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USB HUB for OTG
I have designed a custom board with Processor which is having a dedicated USB 2.0 OTG port. I want to convert it to 4 USB OTG ports. so I was thinking to use the USB 2.0 HUB with OTG support for 4 ...
1
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1
answer
91
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Computer interface with USB devices
I'm making a computer peripheral that will be connected via a USB.
The main brain is an STM32 ARM MCU, it has USB support natively.
It has multiple sub-peripherals inside and it uses I2C and SPI to ...
0
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2
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599
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USB 3 hub is fried! why? room for improvement?
this hub was for a friend of mine, he asked me if I could repair it for him, but when I opened the case, I was shocked! behold the fried chip and PCB!
he said he want the chip to be replaced, because ...
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2
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309
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Making a USB HUB with power control
I'm trying to design my USB-HUB, because not so many commercial ones offer the solutions I need;
My intentions would be to have a per-port power control, so I can switch on/off devices as I please (...
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4 Port USB 2.0 Switch
I am currently working on a device that is able to switch four USB devices back and forth between two PCs (see picture). For the task I wanted to use a "TUSB4041" as a USB hub and the "...
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1
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98
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How to connect USB-C port to USB hub?
Sorry if this is a dumb question, I'm very new to all of this. I'm trying to connect the upstream port on a 4 port USB hub to a USB type C plug and I'm somewhat confused on how to wire the TX and RX ...
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FE1.1s USB Hub and GL827L SD Card Reader
I'm trying to make a 4-port USB hub using the FE1.1s IC, one of the outputs of which is the GL827L IC as an SD card reader. when i connect my usb hub to computer, my usb hub is detected but sd card ...
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Minimal circuit for the FE1.1 USB HUB IC
I have a board with 4 MCU in it, since i dont have the space to have 4 usb ports on the board i opted to include a usb hub circuit. I have read that the FE1.1 is a cheap IC and requires very few ...