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"freecom 56298"
3Pcs ESP8266 Dual WiFi Relay Module, 5V IoT Smart Home Relay Switch, Mobile APP Remote Control OEM Module
Limited time offer, ends 11/25
$30.39
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Compatible with Raspberry Pi RTC clock module. Battery is detachable. Replacement available.
Limited time offer, ends 11/15
waveshare 2-CH RS485 to RJ45 Ethernet Serial Server with PoE Function, IEEE 802.3af Compliant, Rail-Mount Industrial Isolated Serial Module, Bi-Directional Transparent Transmission
Limited time offer, ends 11/14
$89.10
Free Shipping
BPI-RT5400 POE Module 30W POE PD Module (Isolation Model), for BPI-F2P, BPI-F3,BPI-WiFi 6 Router
Limited time offer, ends 11/14
$81.47
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
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 11/14
$107.78
Free Shipping
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 11/14
$89.68
Free Shipping
