ITEM NAME:Micro Digital Camera Shutter DC 5V Rotating Electromagnet DIY Manufacture Mak JR Micro Digital Camera Shutter DC 5V Rotating Electromagnet DIY Manufacture Mak JR a.imagelink a:hover.imagelink {color:#AF212D;.The resistance of the rotating electromagnet is about 62 ohms, and the current of 5V is about 0.06 A. To recognize the positive and negative poles, if they're connected wrongly, the lens will not open, and the resistance of another set of small coils is about 23 ohms.
