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2pcs DC 12V 2 Channel Relay Module, Optocoupler Isolated Relay Board with High / Low Level Trigger
Limited time offer, ends 08/08 By Aomoproging
- 2 independent relay channels to control two electrical loads separately for multi-device switching
- Built-in optocoupler isolation strengthens anti-interference and protects your main control circuit
- Supports both high and low level trigger, compatible with most MCU and DIY control logic
- Standard DC 12V operating voltage, stable relay action and long service life
- Compact board design with clear terminals, easy wiring for smart home and electronic projects
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This 2-channel 12V relay module comes with optocoupler isolation design to effectively separate control and load circuits, greatly reducing signal interference. It supports high / low level trigger modes to fit various control needs. Each channel works independently for flexible multi-device on-off control. Simple to install and wire, perfect for Arduino DIY, smart home automation, light control and industrial switching applications.
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- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Aomoproging Return Policy
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