I am not sure if this is the correct place to post this. I apologize if I am wrong. I am following a simple build by youtuber styropyro. Using this, http://www.dx.com/p/200mw-532nm-green-laser-module-3v-11-9mm-26891?r=93098389#.Vp5gTuBOnqA in the build he suggests powering it with 2 AA...