here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
"usb serial uart"
Can’t find the filter you need? Let AI help.
Modbus-Rtu 7-24V 4 Channel Relay Module Switch Modbus RTU Switch Input Output 5V RS485 TTL Communication Anti-Reverse Connection
Limited time offer, ends 11/09
$11.99
Free Shipping
Waveshare Industrial Modbus RTU 8-ch Relay Module (E) with RS485, 30A High Current, Multi Isolation Protection, Optocoupler Isolation, Flyback Diode Protection, Rail-Mounted Case.
Limited time offer, ends 11/07
$129.39
Free Shipping
Modbus POE ETH Relay 8-CH Ethernet Relay Module Supports Sending Modbus RTU/Modbus TCP Protocol Commands via Ethernet Port to Control Relay and Various Devices
Limited time offer, ends 11/07
$91.55
Free Shipping
8-CH Ethernet Relay Module (B) with Digital Input, Modbus RTU/Modbus TCP Protocol, Support DC 7~36V Wide Range Power Input and PoE Power Supply, with Various Isolation and Protection Circuits
Limited time offer, ends 11/07
$102.79
Free Shipping
8-CH Relay Module via Ethernet with Digital Input, Adopt Modbus RTU/Modbus TCP Protocol, Supports PoE Power Supply/DC Power Port/Screw Terminal/DC 7~36V Wide Range Power Input
Limited time offer, ends 11/07
$92.18
Free Shipping
8-CH Ethernet Relay Module (B) with Digital Input, Modbus RTU/Modbus TCP Protocol, Support DC 7~36V Wide Range Power Input and PoE Power Supply, with Various Isolation and Protection Circuits
Limited time offer, ends 11/07
$103.78
Free Shipping
8-CH Relay Module via Ethernet with Digital Input, Adopt Modbus RTU/Modbus TCP Protocol, Supports PoE Power Supply/DC Power Port/Screw Terminal/DC 7~36V Wide Range Power Input
Limited time offer, ends 11/07
$92.19
Free Shipping
