2pcs DC 5V Relay Module 4 Channel Relay Board Shield with Optocoupler Isolation Suport High/Low Level Trigger

描述

🔧 Power Your Projects with Precision!

The 2pcs DC 5V Relay Module is a versatile 4-channel relay board designed for high-performance applications. It features optocoupler isolation for reliable triggering, supports high and low-level inputs, and can handle significant loads, making it ideal for both hobbyists and professionals. Its fault-tolerant design and easy integration with microcontrollers ensure a seamless experience.