The ESP8266 ESP-01S 5V WiFi Relay Module is an innovative solution designed for smart home automation and industrial applications. This versatile module allows users to control devices remotely via a smartphone app or through an Arduino interface, making it an essential component for modern IoT projects. Whether you're looking to streamline operations in an industrial setting, enhance your smart home system, or manage a smart farm, this relay module provides a reliable and efficient means of communication and control.

Its applications are vast and varied. In industrial manufacturing, the ESP-01S can replace traditional signal cables, reducing wiring complexity and facilitating better management of production processes. For smart home enthusiasts, it serves as a physical layer technology solution, enabling seamless connectivity and control of household devices. Additionally, in smart farming scenarios, it allows for precise monitoring and management of various operational areas, helping to identify potential risks promptly. This module also supports hotel solutions by managing numerous access points, thereby enhancing supervision efficiency and reducing inspection manpower.


100% brand new and high quality, ensuring reliability and longevity.
High-speed CPU frequency for quick processing and response times.
Functions as a WiFi serial port, allowing for easy integration with various devices.
Compact size (4.8 * 3.5cm) and lightweight (5.4g) for easy installation in diverse environments.
Widely applicable in smart wear, home security, intelligent lighting, and industrial IoT fields.