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"usb serial uart"
8Port Fast Network Ethernet Switch HUB Module RJ45 90 or 180 degree UTP 2 Type LED Board PCBA Mini Size Length 140MM Width 41MM
Limited time offer, ends 11/09
$54.57
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Waveshare 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 11/07
$89.68
Free Shipping
Waveshare 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 11/07
$107.78
Free Shipping
10/100/1000Mbps 4 Ports PCBA Ethernet Switch PCB /Network Switch module poe switch ethernet switch
Limited time offer, ends 11/09
$57.49
Free Shipping
Mini 8 Port Fast Network Ethernet Switch Module RJ45 90 degree or 180 degree 2 Type LED Board PCBA
Limited time offer, ends 11/09
$54.57
Free Shipping
3pcs 5V ESP8266 Dual WiFi Relay Module Internet Of Things Smart Home Mobile APP Remote Switch - OEM
Limited time offer, ends 12/02
$34.89
Free Shipping
