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Revision as of 16:08, 19 January 2016

Technical Meeting: Thursday January 14th

Dennis DeLorme on a recent basement project - the $2 wireless link.

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Do you wish there was an easy, cheap way for your micro-controllers to talk to each other over a wireless link? If so, come and learn about the Nordic nrf24L01+ type modules. These allow short range wireless communication in the 2.4 GHz band. The nrf24L01+ is designed for PC keyboard/mouse, remote controls, home automation, toys etc.

There is available software to use the nrf24L01+ modules with common boards such as Arduino, Raspberry Pi and Beaglebone Black. The nrf24L01+ module can be added to these boards for about $1 per node, if ordered directly from China. I'll talk a little about my experience ordering directly from China.

I will talk about the features of the nrf24L01+ and the software to use it. I will demo a sensor star network with a couple of them on Arduinos (what else?) sending data to an Arduino attached to a laptop as the base unit.

If you are ready to break your New Years Resolutions, I will be bringing German Chocolate cup cakes with coconut pecan frosting.

-- Post-meeting addition - here are the slides he has provided. Here is the code in Open Office format because upload of text or code files is not supported.

6 pm, in or near RCTC Heintz Center's HA107.

Directions to Campus

Heintz Center Building Map

Also on the agenda for the technical meeting:

-K-LUG’s annual officer elections – president, vice president, treasurer. Nominations or self-nominations for these positions please.

-Annual financial report from our treasurer.

-PCIG first round of officer nominations (with elections in March)

Anything else you want to see on the agenda? Let Jon G or Tina know.

Downtown Lunch: Thursday January 14th

11:30 am, 1st Avenue food court downtown, at the bigger tables near the entrance.

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-Post-meeting addition - [http://k-lug.org/images/2/2f/StarNetDS18B20.odt here are the slides] he has provided.
+Post-meeting addition - [http://k-lug.org/images/9/93/Klug-nrf24.pdf here are the slides] he has provided.
+[http://k-lug.org/images/2/2f/StarNetDS18B20.odt Here is the code] in Open Office format because upload of text or code files is not supported.