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"reset switch extension"
220V Two-way Power Supply Automatic Switcher 10A Dual Power Supply Two in One Out Power Failure Transfer Switch Module Board
Limited time offer, ends 12/08
$28.29
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8-Ch Ethernet Relay Module (B) with Digital Input, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
Limited time offer, ends 11/15
$119.68
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4-CH Relay for Raspberry Pi Zero Zero W Zero WH 2B 3B 3B+ 4B Power Relay Expansion Board Module Four Channel
Limited time offer, ends 11/15
$55.08
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Expansion Board Power Relay Board Module Kit Compatible with Raspberry Pi 3 2 A+ B+ 2B 3B,Remote Control Make Home Appliances Intelligent
Limited time offer, ends 11/15
$37.98
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8-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
Limited time offer, ends 11/15
$102.58
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Dual Ethernet Ports 8-ch Relay Module (C), Modbus RTU Protocol, PoE Power Supply, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
Limited time offer, ends 11/15
$131.08
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12pcs DC 12V Relay Module 1 Channel Relay Board with Optocoupler Support High/Low Level Trigger
Limited time offer, ends 11/15
$18.99
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Galvanic Isolated Rail-Mount TTL to RS485 Converter, 600W Lightningproof & Anti-Surge, Multi-Isolation Protection 3.3V-5V
Limited time offer, ends 11/15
$54.98
Free Shipping
3Pcs 1x3 Matrix Membrane Switch 3Key Membrane Switch Keypad Keyboard PVC PET Control Panel Switch 36*55mm 4Pin DIY Accessory for Arduino
Limited time offer, ends 11/15
$12.79
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Galvanic Isolated Converter Rail-Mount TTL to RS232 Serial Port Converter Lightningproof & Anti-Surge TTL Serial Converter Rail-Mount Support
Limited time offer, ends 11/15
$51.96
Free Shipping
8-Ch Ethernet Relay Module with PoE Port Communication Modbus RTU/Modbus TCP Protocol Cover with Industrial Grade Rail-Mount Case
Limited time offer, ends 11/15
$147.72
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Galvanic Isolated Rail-Mount TTL to RS422 Converter, Anti-Surge, Multiple Isolation Protection Full Duplex Communication 3.3V - 5V
Limited time offer, ends 11/15
$49.31
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