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The Prototyping Work In Progress.

Arduino controlled flash trigger. Piezo hooked to arduino, intensity measured on an LCD display. In the sketch, I've outputted the DEC value serially to the LCD, using the MTPH (Message Pump Through Hole) from www.spikenzielabs.com/SpikenzieLabs/MPTH.html This came in extremely handy when I was setting the threshold value for the camera trigger. The camera is connected with a long cable with a rescued N3 type connector that I clipped from a cheap eBay manual release cable. Isolated with a MOC3020 opto-isolator, the camera side connection is not physically connected to the Arduino side. No sense in blowing a camera, these MOC3020's are ideal.

 

The project I am putting together will have a button driven menu system, working through the MTPH, to allow for sound trigger, laser pointer interrupt trigger, impact, as well as time lapse triggering.

 

The Arduino sends all its data to the display with a super simplified serial output. Really easy.

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Uploaded on February 7, 2010
Taken on February 7, 2010