6-30V 1-Channel Adjustable Timer Relay Module Optocoupler for Arduino ESP32 IoT

Key Highlights

• ✓Optocoupler Isolation: Improves anti-interference ability, ensuring reliable operation. The settings will remain in memory even after power off. Wide Voltage Power Supply: Supports a wide voltage range of 6V to 30V, and also accepts micro USB 5.0V power supply for convenience. Clear and Simple Interface: Easy-to-understand interface that meets almost all user needs. Emergency Stop Function: Includes a ‘STOP’ button to quickly stop the operation. Reverse Polarity Protection: Prevents damage caused by reverse connection. Sleep Mode: If there is no operation within 5 minutes, the display will automatically turn off. Press any button to wake it up. Adjustable Parameters: You can set independent parameters for OP (On Time), CL (Off Time), and LOP (Number of Cycles). Automatic Storage: All parameter settings are automatically saved, even after power is turned off.