Twittering Laser Tripwire with Webcam Capture using Arduino
This instructable will show you how to construct a laser tripwire that can twitter and grab an image from a webcam, as well as execute any command you can put in a bash script.
This instructable is actually quite simple and is even suitable as a beginner arduino project. It requires a GNU/linux (or possibly Mac) operating system with the arduino IDE and Processing IDE working properly. This project could also be implemented in Windows if you created a more complex processing application.
Light Dependant Resistor
Linux OS (I’m using Arch Linux for this project)
Webcam (part of xawtv)
Solder and Soldering Iron
Hot Glue Gun
Straw or Ballpoint Pen
I cut the end off of a ballpoint pen so that I could slip it over the LDR to prevent ambient light from affecting the reading, you could also use a straw.
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This Post / Project can also be found using search terms:
- Arduino Laser Pointer