5V Relay Module with Optocoupler Isolation, High/Low Trigger, Available in 1, 2, 4, or 8 Channels

This versatile relay module is designed for efficient and safe switching of electrical loads by providing optocoupler isolation to protect your microcontroller from voltage spikes. It offers flexibility with high/low trigger options and is available in configurations of 1, 2, 4, or 8 channels to suit various application needs. Whether for automation projects, prototyping, or adding control to existing systems, this module is ideal for enhancing the functionality and reliability of your electronic projects. ```plaintext Trigger: High/Low Channels: 1, 2, 4, 8 Isolation: Optocoupler Voltage: 5V ``` Manufacture country: China Instructions included: No