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$55.48
Ships from Hong Kong.
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5 Pack 1 Channel DC Optocoupler Relay Module, 3V 3.3V High Level Driver Isolated Drive Control Board Relay Module Compatible with Arduino
- 1 channel optocoupler isolation design provides effective circuit isolation and anti-interference performance
- Supports 3V / 3.3V wide voltage input, high level trigger for flexible driving control
- Built-in optocoupler isolation protection, stable operation and extend service life of equipment
- Compact control board design, easy to install and integrate into Arduino project wiring
- 5-piece bulk pack, ideal for DIY electronics, MCU control and industrial circuit projects
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Overview
Specs
Reviews
This 1 Channel Optocoupler Relay Module is designed with high-level trigger and supports 3V and 3.3V operating voltage. Adopting optocoupler isolation technology, it effectively separates the control circuit from the load side, suppresses external interference and improves system stability and safety. The module features simple wiring, sensitive response and easy compatibility with Arduino and other single-chip microcontroller development boards. Perfect for electronic DIY, smart home control, industrial drive switching and various MCU automation projects.
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- Return for refund within: 15 days
- Return for replacement within: 30 days
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