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How-To Geek

Sound Triggered Flash Captures Split-Second Action

If you’re trying to capture a event that includes a distinct sound–like a balloon popping or a match flaring up–this DIY sound-triggered flash can help.

This DIY build uses a hacked up disposable camera, a simple 555 timer chip, and home made PCB. It’s not a simple build and probably not the first thing you’d want to cut your teeth on if you’re getting into electronics tinkering, but the design itself is simple and elegant. Hit up the link below for additional information, the design files for the PCB, and circuit schematics.

Sound Triggered Flash: High Speed Photography [via Hack A Day]

Jason Fitzpatrick is warranty-voiding DIYer and all around geek. When he's not documenting mods and hacks he's doing his best to make sure a generation of college students graduate knowing they should put their pants on one leg at a time and go on to greatness, just like Bruce Dickinson. You can follow him on if you'd like.

  • Published 08/8/11

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