Description: A relay module is a board that contains one or more relays and is used to control high-voltage devices with low-voltage signals. These modules are essential in electronics and automation projects, as they allow microcontrollers, such as Arduino and Raspberry Pi, to interact with devices operating at voltages and currents higher than they can handle directly. Each relay in the module acts as an electrically controlled switch that can open or close a circuit. Relay modules often include protection circuits, such as diodes, to prevent damage from current feedback. Additionally, they are easy to integrate into projects, as they typically feature connection terminals and a design that facilitates mounting. The versatility of relay modules makes them key components in home automation systems, motor control, irrigation systems, and more, allowing users to create innovative and efficient solutions for managing electrical devices.
