SPI Interfaces using Arduino

Update (6/7/2012) – I’ve had to disable comments on this post, because it is being targeted by spam bots for some reason. Please use the contact page if you have a question about this topic.

[box type=”note” color=” #202020 ” bg=”#ffbb00 ” font=”verdana” fontsize=”14″ radius=”20 ” border=”#000″ float=”right” head=”Attributes”]Thanks to Jeremy , for this articles[/box]

In this week’s arduino tutorial, we’ll be taking a look at SPI device control using the arduino. Specifically, we’re going to be using the Analog Devices 5204 Digital Potentiometer to control the brightness of several LEDs. For an example of another device that uses SPI control, checkout these Sparkfun RGB LED matrices that I’m using in my ReacXion Audio/Visual Theremin. Enjoy the video!

You can download the files associated with this episode here:

 SPI Interfaces using Arduino Schematic

[box color=”#985D00″ bg=”#FFF8CB” font=”verdana” fontsize=”14 ” radius=”20 ” border=”#985D12″ float=”right” head=”Major Components in Project” headbg=”#FFEB70″ headcolor=”#985D00″]PARTS LIST
1.   Arduino Uno:  http://us.element-14.com/arduino/a000046/arduino-uno -board/dp/13T9285
2.   USB Cable: http://us .element – 14.com/jsp/search/productdetail.jsp?SKU=73H0884
3.   Arduino Software:  http://arduino.cc/en/Main/Software
4.   Eagle CAD Software:  http://www.cadsoft.de/download.htm
5.   Breadboard: h ttp://us.element -14.com/jsp/search/productdetail.jsp?SKU=17C6965
6.   LEDs: http://us.element-14.com/jsp/search/productdetail.jsp?SKU=30K0645
7.   220 ohm Resistor:  http://us.element-14.com/multicomp/mccfr0w4j0221a50/resistor-carbon -film -220ohm-250mw/dp/58K5029
8.   10k ohm Resistor:  http://us.element-14.com/multicomp/mccfr0w4j0103a50/resistor-carbon -film -10kohm-250mw/dp/58K5002
9.   AD5204 Digital Pot: http://us.element- 14.com/analog-devices/ad5204brz10/ic -digital-pot-10kohm-256 -quad/dp/19M0789?Ntt=AD5204
10.  Jumper Kit:   http://us.element-14.com/3m/923351-i/pcb-accessories/dp/65F2290 [/box]

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