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This 5V one-channel relay module adopts optocoupler isolation design, which protects the main control board from load circuit interference. It supports high and low level trigger modes to match different signal control requirements. With reliable relay drive and stable switching action, it is easy to install and wire. Perfect for electronic DIY, smart home automation, lamp control, motor switch and various single-chip microcontroller control projects.
Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.