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Old Mar 25, 2013, 03:30 AM
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Joined Nov 2009
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Bathtub testing

Bathtub testing of my 3rd version of a ROV. Solid metal wire passages through the hull for motor cables. An extra set of cables from the Gopro hero3 in through the hull. Need to add an extra floating compartment in the front. Some adjustments to the arduino to get more power from the motors. Would be nice with a water sensor inside. Tried this one: http://arduino.cc/forum/index.php/topic,5961.0.html but didn't get it working. Also it seemed to drain a lot of power from the arduino. Maybe it was the led. Should a resistor be added to the led sercuit? Any othe suggestions for add ons for the ROV that I missed?

homemade ROV ver 3 (vs shark) (3 min 29 sec)
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Old Mar 25, 2013, 04:55 PM
Metallica
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Londonderry UK
Joined Nov 2004
415 Posts
Looks good, to answer your question, yes a resistor should normally be used in series with a LED, 330ohm on a 5v supply would be good enough,
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Old Mar 27, 2013, 01:18 PM
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Thanks. A resistor will be added. http://projekt.flygfotoiskane.se/#post11
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