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UART 485/232/TTL
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RS485 Modues & relays
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Wireless RS485/RS232 series 1
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R217A08 12V 8CH RS232 IO Control Switch Relay PLC Expansion Board DB9 Serial Port PC Com Module For Arduino UNO MEGA NANO
US$4.99
UD48501 VCC Output USB to RS485 programmer
US$5.99
25IOB16 16DI 16DO PNP to PNP RS485 Modbus Rtu Remote IO Module DC 12-24V 300MA DMOS PNP High Level Output for PLC LED Smart Home IOT
US$25.99
R4DB908 2 in 1 RS485 RS232 DB9 8DO Module Modbus Rtu 3A NPN Mos Optocoupler Isolation Output Solid State Relay for LED Motor PLC PTZ Can
US$19.99
R4M9B12 DC 6-24V 4CH RS485 TTL232 Multifunction MOS Transistor Solid State Relay Module Modbus RTU AT Command for PLC Motor PTZ LED
US$9.99
UD68B01 USB to RS485 485 Modbus programmer USB to RS485 Bus Converter Module CH340 SP485 MAX485 for Modbus Relay PLC PTZ
US$2.99
New Products [more]
PS47E01 DC 24V LED Digital Relay Switch Control Board Relay Module Voltage Detection Charging Discharge Monitor Test
US$4.99
IO58F02 20A DC 12V Power Brushed Motor Overload Overcurrent Short Circuit Protector Module Forward Reverse Controller
US$13.99
PS47E01 DC 12V LED Digital Relay Switch Control Board Relay Module Voltage Detection Charging Discharge Monitor Test
US$4.99
IO58F02 30A DC 24V Power Brushed Motor Overload Overcurrent Short Circuit Protector Module Forward Reverse Controller
US$13.99
IO58F02 20A DC 24V Power Brushed Motor Overload Overcurrent Short Circuit Protector Module Forward Reverse Controller
US$13.99
FM13A01 76-108MHz FM broadcasting Radio Dual Channel Stereo Audio Receiver Module For Earphone Headset Speaker
US$4.99
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UART 485/232/TTL
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N4ROC04 Mini DC 12V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$9.99
N4ROD08 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$15.99
N4ROB02 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$6.99
N4ROB02 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$6.99
N4ROA01 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$5.99
CE035 DC 12V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
US$9.99
CE035 DC24V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
US$13.99
R413E16 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$6.99
TB440 for R413E16 16ch Relay Board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$13.99
R4D8A08 DC 12V 8 Channel RS485 Relay Module Modbus RTU UART Remote Control Switch DIN35 C45 Rail Box for PLC PTZ Camera Security Monito
US$19.99
R4D8A08 DC 12V 8 Channel RS485 Relay Module Modbus RTU UART Remote Control Switch DIN35 C45 Rail Box for PLC PTZ Camera Security Monito
US$17.99
R4D3C32 24V C45 Rail Box DC 32ch DIN35 RS485 Modbus RTU Relay Board 485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart
US$49.99
R4D3C32 12V C45 Rail Box DC 32ch DIN35 RS485 Modbus RTU Relay Board 485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart
US$49.99
N4DOK32 12V 32ch 03 06 16 Modbus RTU RS485 SPDT Relay Switch Module UART Serial port Module DIN Rail Box PLC IO expanding board
US$39.99
N4DOK32 24V 32ch 03 06 16 Modbus RTU RS485 SPDT Relay Switch Module UART Serial port Module DIN Rail Box PLC IO expanding board
US$39.99
N4D8B08 DC 12V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$16.99
N4D8B08 DC 12V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$17.99
N4D8B08 DC 24V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$16.99
R413E16 + TB440 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$17.99
ETAIC04 12V 4CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$19.99
ETVOD08 12V 8CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$32.99
ETAIC04 24V 4CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$21.99
ETAIC04 24V 4CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$19.99
ETVOD08 12V 8CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$35.99
ETVOD08 24V 8CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$32.99
ETVOD08 254V 8CH PNP DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$32.99
ETVOD08 12V 8CH PNP DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$32.99
ETVOD08 254V 8CH PNP DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$35.99
ETIOE16 12V 16CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$45.99
ETIOE16 24V 16CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$45.99
ETIOE16 24V 16CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$47.99
RYN404E 24V 4CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$13.99
RYN404E 24V 4CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$15.99
RYN404E 12V 4CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$13.99
RYN404E 12V 4CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$15.99
RYN408F 12V 8CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$19.99
RYN408F 12V 8CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$21.99
RYN408F 24V 8CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$21.99
RYN408F 24V 8CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$19.99
N4DOJ24 24V 24CH RS485 Relay Modbus RTU Module 10A NC COM NO Dry Contact Output Interface DIN35 C45 Rail Box UART PC PLC Expansion Board
US$39.99
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