I'm going to have two of these lights on my ROV and they should provide ample light and are only drawing 230mA (for both lights) off a 5V circuit.
The purple PCBs were made by Laen's Dorkbot service which I highly recommend: http://dorkbotpdx.org/wiki/pcb_order
Eagle files available freely here: http://cl.ly/2b0t2j2v3K2w0g3n1X2o
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