Magnetic Ring iButtons
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Magnetic iButton – DS1990A+F5 with Magnetic Ring
The MR1990A magnetic iButton come with a magnetic ring. The reader should be ferrous or steel(without magnetic)...
Skype ID: ibutton.cc
1-Wire®, iButton®, Thermochron™ and Hygrochron™ are trademarks of Dallas Semiconductor/Maxim.
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