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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
- $76.59 –
- More options from $76.59 - $77.99
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Raspberry Pi Power Relay Expansion Module with Dual Cooling Fans, Auto Color Changing LED Relay Board Compatible with Raspberry Pi A+, 3A+, B+, 2B, 3B, 3B+, 4B Single Board Computers
- Model #: TECH CABIN - TCH1447
- $18.54 –
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Power Relay Expansion Module with Dual Cooling Fans & Auto Color Changing LED for Raspberry Pi A+, 3A+, B+, 2B, 3B, 3B+, 4B
- Model #: TECH CABIN - TCH453
- $18.54 –
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Power Relay Expansion Module for Raspberry Pi, Relay Board with Dual Cooling Fans & Auto Color Changing LED, Compatible with Pi A+, 3A+, B+, 2B, 3B, 3B+, 4B
- Model #: TECH CABIN - TCH188
- $18.54 –
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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 08/16
- Model #: 604721825999
- $53.39 –
- More options from $53.29 - $55.99
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APC Dry Contact I/O Card for UPS Sensors, Output Relays, Input Contacts AP9614
- Brand: APC
- Type: Accessories
- Model #:
- $384.88 –
- More options from $350.16 - $458.00
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