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12V-220V inverter, 2*680uF capacitors, coil, laser sight, 2servo, 4mm projectileIf YOU want more info please write in comments. www.youtube.com/embed/4z0Dn_AkVM0 www.youtube.com/embed/BeFJ_vmmldg
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/arduino-robot-with-coil-gun-gauss-gun-drone-1