1-Wire
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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 over a single conductor. 1-Wire is similar in concept to I 2 C, but with lower data rates and longer range. It is typically used to communicate with small inexpensive devices such as digital thermometers and weather instruments. A network of 1-Wire devices with an associated master device is called a MicroLAN. The protocol is also used in small, 16 mm electronic keys known as a Dallas key or . One distinctive feature of the bus is the possibility of using only two conductors — data and ground. To accomplish this, 1-Wire devices integrate a small capacitor (~800 pF) to store charge, which powers the device during periods when the data line is active.
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 over a single conductor. 1-Wire is similar in concept to I 2 C, but with lower data rates and longer range. It is typically used to communicate with small inexpensive devices such as digital thermometers and weather instruments. A network of 1-Wire devices with an associated master device is called a MicroLAN. The protocol is also used in small, 16 mm electronic keys known as a Dallas key or . One distinctive feature of the bus is the possibility of using only two conductors — data and ground. To accomplish this, 1-Wire devices integrate a small capacitor (~800 pF) to store charge, which powers the device during periods when the data line is active. Accessing, Reading, and Writing to 1-Wire devices using a UART Using a UART to Implement a 1-Wire Bus Master iButton, iButtonLink Guidelines for Reliable Long Line 1-Wire Networks Choosing the Right 1-Wire Master for Embedded Applications OWFS — 1-Wire file system for Linux Guides to working with 1-Wire, for programmers and engineers Getting 1-Wire sensors working in Linux using OWFS 1-wire Arduino tutorial Guide to writing software for 1-Wire/ MicroLan using Lazarus, "the free Delphi".
Text derived from https://en.wikipedia.org/w/index.php?oldid=1358683832 under CC BY-SA 4.0; modifications have been made.