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Mastering BeagleBone Robotics by Richard Grimmett

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Adding additional hardware and software for a fully functional core system

The final step in making your BeagleBone Black really useful is to add a wireless LAN interface. This will allow you to control your robotic projects remotely without having a wired LAN cable. It is very straightforward, but there is one slight challenge. Adding a WLAN device might cause your BeagleBone Black to draw in more current than a USB power supply can provide, and your board will stop, that is, the blue light will no longer flash like a heartbeat.

To avoid this problem and provide additional capability to add more devices, you'll need to add a powered USB hub to your BeagleBone Black. This is a USB hub that is powered by an external power supply, not the BeagleBone. ...

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