ALAMSCN 10PCS 12V 1 Channel Relay Module Relay Board with Optocoupler Isolation Support High and Low Level Trigger
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£ 7.98
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Product description
- The Relay Board adopt patch photocoupler isolation, the isolation circuit prevent damages to I / O port by relay switch current.
- Strong driving capability and stable performance; Trigger current 5mA. 1 channel with optocoupler isolation relay module supports high and low level triggering.
- With power and relay action indicator.
- This 1 Channel Relay Board with Humanized interface design, all interfaces can be directly connected through the terminal lead, four fixing bolt holes are provided, very convenient.
- This 1 Channel Relay Module with Fault-tolerant design,even if the control line breaks,the relay will not move.
- Power indicator light (green), 4-way relay state indicator light (red).
- These 5V relay board works well with ARM /PIC /AVR /MCU/CNC machine/ PS4 etc.
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