Mark Rehorst made this awesome instructable on making a motion sensitive camera trigger out of PVC pipe and IR LEDs. – Link.

Becky Stern

Becky Stern

Becky Stern ( is a DIY guru and director of wearable electronics at Adafruit. She publishes a new project video every week and hosts a live show on YouTube. Formerly Becky was Senior Video Producer for MAKE. Becky lives in Brooklyn, NY and belongs to art groups Free Art & Technology (“release early, often, and with rap music”) and Madagascar Institute (“fear is never boring”).

  • john

    looks to me like an antigravity machine instead of a camera trigger.

    seriously a well written instructable with in focus photos even. looks like a well thought out project. i’m making one and hope i can get my PVC to look so nice.