A site dedicated to Twichels, and things they (ok mostly me) are interested in.
 

$ spent building my Larson Scanner

It seems like a lot of people who see my Larson Scanner want to know; "How mich did it cost"? If they are just snoopy, the answer is: none O' yer freekin' business. If they are asking so they could consider building something similar, (or a duplicate) I try to be a little more forthcoming. If you are here, you probably are acutally interested, so:

$ spent on Larson Scanner

Actually used in this project
 
Purchased for this project, but not used here
Arduino UnoR3 Had one   LED Strip $24.95
Rotary encoder $3.95   bluetooth carrier board  
Knob for encoder $0.95   bluetooth module $4.25
LED String $18.98   Shipping Parts $13.15 +
Connectors / cable had 'em   logic level converter $2.95
Proto Board $12.50 (3pack)      
WS2811 chip $14.99 (50 pack)      
Header Pins $4.95 (lots o' extra)      
three 220 ohm resistors had 'em ($3.64/100)      
3A Fuse $6.98      
Fuse Holder      
Power Switch Had one      
encoder breakout $2.95      
Silicone Gasket material $11.99      
12V to 5V converter $7.77      

 

Yeah, Its a draft document, but It is still useful for a back of the envelope guesstimate of replacement cost.

 

 

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last updated 12-18-14