1-Wire is a wired half-duplex serial bus designed by Dallas Semiconductor that provides low-speed data communication and supply voltage over a single conductor.
An iButton in a plastic fob, as used for Istanbul Akbil smart ticket
A duplex communication system is a point-to-point system composed of two or more connected parties or devices that can communicate with one another in both directions. Duplex systems are employed in m
1-Wire
…1-Wire is a wired half-duplex serial bus designed by Dallas Semiconductor that provides low-speed (standard 16.3 kbit/s; "overdrive" at 10×) data communication and supply voltage…
Simplex wireless communication
A simple illustration of a half-duplex communication system