LED strip light workshop

WS 2801 based individually addressable LED strip -

http://www.sparkfun.com/products/10312

Or on eBay

Constant-current PWM

Three channels for RGBhttp://www.sparkfun.com/datasheets/Components/LED/WS2801.pdf

SMD 5050 RGB LEDs used on strips

Single “pixel”

Pulse-width modulation

Power and wiring

0.02 amps per channel

3 channels per pixel

32 pixels per meter

0.02 x 3 x 32 = 1.92

~2.0 amps per meter

Wiring guidelines

• Don’t power more than 1m from Arduino

• Keep power wires thick

• Inject power every 2 meters

Other sources

• Wires with pre-crimped terminals

http://www.pololu.com/catalog/category/71

• Crimp connector housings

http://www.pololu.com/catalog/category/70

• Power supply

https://www.adafruit.com/products/658

robertcook@gmail.com

Suite 213 in this building

Thanks