Answer
May 04, 2025 - 05:49 AM
A relay switch is an electromechanical device used to open or close electrical circuits, typically controlled by a low-power signal. In contrast, a relay module is a pre-assembled unit that includes one or more relay switches, along with additional components like terminal blocks, opto-isolators, and sometimes even microcontrollers, designed for easy integration into electronic projects or systems. Essentially, the relay module offers a more user-friendly and often more versatile solution compared to a standalone relay switch.
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