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5V USB Relay with Optocoupler Isolation Industrial Grade Support UART Serial Port Signal Control NO/COM/NC Load 2 Channel Relay
Limited time offer, ends 07/19
- Model #: 604721825999
- $53.39 –
- More options from $53.39 - $55.99
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2 Channel Serial Port Relay Module DC 12V PC Computer USB RS232 DB9 RS485 UART Remote Control Switch Board for Smart Home (4)
- Model #: CLAWB0C1GK6Q6Q
- $77.19 –
- More options from $77.19
- Free Shipping
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