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Replace 'Micro-B' with 'Micro B'
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tokk-nv committed May 15, 2023
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10 changes: 5 additions & 5 deletions docs/hw/jetson_hookup.md
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Expand Up @@ -42,16 +42,16 @@ This can be powered from the unregulated battery port of the Create® 3 adapter
- Jetson Xavier NX Developer Kit
- Custom power cable (JST-XH to DC 5.5 mm x 2.5 mm plug)
- [DC power plug (5.5 mm x 2.5 mm)](https://a.co/d/cfNWywP)
- [USB data cable (USB Micro-B to USB-C®)](https://a.co/d/dnlCj1d)
- [USB data cable (USB Micro B to USB-C®)](https://a.co/d/dnlCj1d)
- Jetson Xavier Developer Kit mount ([STL file](./data/models/Compute/NVIDIA_Jetson/Adapter_Mount/C3-JetsonXavierNX-Mount.stl))
- Sensor mount plate (STL file)
- [M3 standoff/spacer x4](https://a.co/d/f1QWGB3)
- M3 screws

The [Jetson Xavier NX™ Developer Kit](https://developer.nvidia.com/embedded/jetson-xavier-nx-devkit) has a 5.5 mm x 2.5 mm barrel connector jack (J16) for power (9 V to 20 V) and a USB Micro-B port (J5) for upstream data.<br>
The [Jetson Xavier NX™ Developer Kit](https://developer.nvidia.com/embedded/jetson-xavier-nx-devkit) has a 5.5 mm x 2.5 mm barrel connector jack (J16) for power (9 V to 20 V) and a USB Micro B port (J5) for upstream data.<br>
This can be powered from the unregulated battery port of the Create® 3 adapter board by using a JST-XH female connector to DC barrel plug cable.

The data connection is established by using a USB Micro-B to USB-C® cable, which requires some software tweaking to allow the communication between the Create® 3 robot and Jetson. See [this page](../setup/jetson.md).
The data connection is established by using a USB Micro B to USB-C® cable, which requires some software tweaking to allow the communication between the Create® 3 robot and Jetson. See [this page](../setup/jetson.md).

![Hookup diagram for Jetson Xavier NX™ Developer Kit](data/hookup_jetson_xavier_nx.jpg "Jetson Xavier NX™ Developer Kit")

Expand Down Expand Up @@ -79,8 +79,8 @@ You can 3d-print the sensor mount plate.
To fix the plate at a raised height, you can use M3 spacers like [this](https://a.co/d/f1QWGB3) to allow the sensor to have unobstructed view.

## NVIDIA® Jetson Nano™ 2GB
The Jetson Nano™ 2GB has a USB-C® port (J2) for power and a USB Micro-B port (J13) for downstream data.
This can be connected to the Create 3 robot most simply using a USB-C® hub and two cables -- USB A to Micro-B and USB A to USB-C®.
The Jetson Nano™ 2GB has a USB-C® port (J2) for power and a USB Micro B port (J13) for downstream data.
This can be connected to the Create 3 robot most simply using a USB-C® hub and two cables -- USB A to Micro B and USB A to USB-C®.
![Hookup diagram for Jetson Nano™](data/hookup_nano2gb.jpg "Jetson Nano™ 2GB")

[^1]: USB-C® is a trademark of USB Implementers Forum.
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2 changes: 1 addition & 1 deletion docs/setup/jetson.md
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Expand Up @@ -215,7 +215,7 @@ Perform the following in the ROS 2 container.

If you need a reliable wired communication between Create® 3 and Jetson™, you can connect them via a USB cable and let them establish a virtual Ethernet connection over the USB data communication.

Jetson's upstream USB port (USB-C for the case of Jetson Orin Nano Developer Kit and micro-B for the case of Jetson Xavier Developer Kit) is conveniently set up in such a way to present a virtual network card to the host system, so Create® 3 and Jetson can form a virtual Ethernet connection over the USB link.
Jetson's upstream USB port (USB-C for the case of Jetson Orin Nano Developer Kit and Micro B for the case of Jetson Xavier Developer Kit) is conveniently set up in such a way to present a virtual network card to the host system, so Create® 3 and Jetson can form a virtual Ethernet connection over the USB link.

However, because Create® 3 expects the client device to have a specific IP address (`192.168.186.3`), we need to tweak the Jetson's "USB Device Mode" functionality, that is designed to run a DHCP server on Jetson side to assign IP address to other device by default.

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