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Arduino Lightnig Trigger

Here’s a relatively simple approach to lightning photography using a trusty blueboard -

[...] the most useful piece of data in the wikipedia article is the time lapse shot of a lightning strike. From the time lapse photo I was able to determine the duration of a lightning strike is about 100 ms. Then from this page I found my Canon 30d camera has a shutter lag of 65 ms. I know from a past project that if I use a reverse biased photo transistor to detect light it has a response time under 1 ms. The last piece of delay is the software running on the Arduino board and since it’s running at 16 MHz I am sure I can run a tight loop that takes under 1 ms. Adding up all the delays, I get 67 ms which is still much less than the 100 ms duration of a lightning strike so I was pretty confident this would work before I started work on the prototype.

Lightning trigger [via Hack a Day]

Related:
Lightnigtrigger Crop
Lightning activated camera shutter trigger

In the Maker Shed:
Hispeedphotokit Crop
High Speed Photography Kit version 4

Collin Cunningham

Born, drew a lot, made video, made music on 4-track, then computer, more songwriting, met future wife, went to art school for video major, made websites, toured in a band, worked as web media tech, discovered electronics, taught myself electronics, blogged about DIY electronics, made web videos about electronics and made music for them … and I still do!


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