Relay modules

Quality relay modules for robotics, automation, and various electronics projects. Relay modules allow you to switch higher-power circuits or devices using a low-power control signal from a microcontroller or single-board computer, making them essential for automation projects, smart home solutions, and industrial control systems. Available in single-channel and multi-channel versions, relay modules can control lights, motors, pumps, and other higher-voltage or higher-current devices safely and reliably. When choosing the right relay module, consider the number of channels, switching voltage and current ratings, and control logic compatibility with your controller. Also check out our Other Modules and Other category. LEMONA electronics represents well-known manufacturers and recognized brands. For more robotics and open-source electronics solutions, check out our Robotics category. Choose from our wide range of relay modules and shop conveniently online.