relay module 4 ch 5v ( 4 modules in total )
1 x 4 ch relay low level trigger
3 x 4 ch relay both high and low triggers
Optocoupler protection for electrical safety Equipped with an optocoupler, this module ensures electrical isolation, protecting your microcontroller from voltage spikes and enhancing system reliability.
Compatible with Arduino and other microcontrollers Designed for seamless integration, this relay module works perfectly with Arduino and similar platforms, enabling easy control of high-power devices via low-voltage signals.
Supports both high and low level triggering The module supports high and low level trigger modes, offering flexible configuration options to match various control circuit designs and project requirements.
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