What is a one wire circuit?

A one-wire circuit is a type of communication protocol that allows multiple devices to be connected using a single wire for data transmission, along with a common ground. It enables bi-directional communication and is often used in sensor networks, such as temperature sensors, where simplicity and minimal wiring are essential. The protocol typically utilizes a master-slave architecture, allowing one master device to communicate with multiple slave devices on the same wire. One-wire circuits are popular in applications where space and wiring complexity need to be minimized.