relay replacement
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The HK19F DC 3V 8 Pin Relay is a compact, low-voltage relay module that can control high-power devices with low-voltage microcontrollers. It is ideal for home automation, industrial control, and robotics applications.

The MOC3021 is a DIP-6 optoisolator with an integrated triac driver, providing 7,500Vrms isolation for safe and efficient switching of AC and DC loads in industrial control, consumer electronics, and automation systems.
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