Relay Module Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for Relay Module products.

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Relay Module manuals

Latest posts, featured manuals, and retailer-linked manuals for this brand tag.

diymore ESP32 Four Way Relay Module User Manual

October 17, 2026
diymore ESP32 Four Way Relay Module User Manual Features Equipped with ESP32 module, supporting remote control and secondary development. Four way relay design to meet multi scenario control requirements. Supports AC 220V input and is suitable for a wide range…