1 Wire iButton

1-Wire is a gadget correspondences transport framework composed by Dallas Semiconductor Corp. that gives low-speed information, flagging, and control over a solitary signal.[1] 1-Wire is comparable in idea to I²C, yet with lower information rates and more range. It is normally used to speak with little reasonable gadgets, for example, computerized thermometers and climate instruments. A system of 1-Wire gadgets with a related expert gadget is known as a MicroLAN.

One particular component of the transport is the likelihood of utilizing just two wires: information and ground. To achieve this, 1-Wire gadgets incorporate a 800 pF capacitor to store charge, and to control the gadget amid periods when the information line is dynamic.

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