[Discourse.ros.org] [TurtleBot] Using NUC with Kobuki

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Lee Cooper

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Sep 10, 2016, 5:43:25 PM9/10/16

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ldcooper
September 10

Hi,

It seems to becoming harder to find netbook size laptops to use with the Kobuki base and so I'm looking into using the Intel NUC (e.g. NUC6i5SYH). I want fully autonomous operation where the Kobuki can dock and charge its batteries and the PC, so I wondered if anyone was aware of a power solution e.g. external battery that can connect to the Kobuki 19v output AND will allow the NUC to get a reading of the battery level e.g. via USB. Alternatively, is it possible to use a dc-dc converter with one of the other Kobuki power outputs (e.g. 12v 5A) to power the NUC?

Or if anyone knows of a good choice of small laptop to use then that might be preferable.

Thanks,
Lee.

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Clungzta

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Sep 11, 2016, 2:34:45 AM9/11/16

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clungzta
September 11

Hi,

Have a look at the OpenUPS, it's a DC-DC converter as well as UPS (6-30V input, 6-24V output). It supports multiple battery chemistries (e.g. Li-Po, SLA) and has an adjustable DC output.

It has a USB interface, and Linux drivers, supporting Network UPS Tools.

I've been using this device on my robot, I wrote a very simple Python ROS interface for this, which just publishes the charging state and individual Li-Po cell voltages. I'll upload this script and link it on this thread when I get the chance (I'm currently away from my robot).