Communication—1-Wire User Modules (Introduction)
The Dallas Semiconductor 1-Wire and iButton products are a family of devices that communicate over a single wire and a ground. Most devices have a unique 8-byte ROM code, which can be used as an address. Multiple addressable devices may be attached to the same signal wire simultaneously. The 1-Wire user modules provide easy access to these devices. This Application Note introduces the basic functions of the 1-Wire user modules and gives simple examples of their operation.
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