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  • Author Author: fustini
  • Date Created: 6 Jan 2012 6:54 AM Date Created
  • Views 521 views
  • Likes 0 likes
  • Comments 0 comments
  • mod
  • diy
  • xmas
  • velleman
  • christmas
  • arduino
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Arduino 3-D Xmas Tree, Part 2

fustini
fustini
6 Jan 2012

Howdy,

 

After I finished making surface mount LED Christmas cards, I returned to my Arduino mod of the Velleman 3-D Christmas tree kit.  I discovered an Adafruit DC Boarduino, which is an ATMega328 Arduino clone, in my stash and decided to switch to it as I wouldn't gain much more compactness by soldering the whole Breaduino circuit onto a perfboard.

image

I hot glued a perf board to the base of the tree and soldered wires to the transistors bases and also the battery connectors.  This reduced a lot of the bulk of the mini-hook jumpers I had been using.  I also fully removed the unused resistors (R5, R7, R6, R8) and capacitors (C1, C2, C3, C4).  This is the simplified schematic:

image

On the perf board, I soldered a male 1x4 header for the 2 signal wires (T1/T2 & T3/T4), VCC (9VDC), GND.  I then created a cable to connect the header to the Boarduino:

image

Next holiday season, I think I may try to "dress" it up a bit.  Maybe put the Boarduino inside a small gift box and cover up the perf board under the tree with fake snow.  But, for now, it's time to think up some new projects for 2012!

 

 

Cheers,

Drew

http://twitter.com/pdp7

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