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UD68B01 USB to RS485 485 Modbus programmer USB to RS485 Bus Converter Module CH340 SP485 MAX485 for Modbus Relay PLC PTZ
US$3.99
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PS9DC01 15A DC 6-30V Lead-acid NiMH LiFePO4 Li-ION Li-PO LiFe polymer lithium battery discharge protection board Module
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UART 485/232/TTL
UART 485/232/TTL
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N4ROC04 Mini DC 24V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$9.99
N4ROD08 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$16.99
N4ROD08 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$16.99
N4ROD08 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$15.99
N4ROA01 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$5.99
N4ROE16 Mini DC 12V 16CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$27.99
N4ROE16 Mini DC 24V 16CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$25.99
N4ROE16 Mini DC 12V 16CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$25.99
N4ROE16 Mini DC 24V 16CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$27.99
CE040 DC 12V 4 CH RS485 Relay Module Modbus RTU And AT Command Remote Control Switch for PLC PTZ Camera Security Monitoring
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CE039 DC 5V 4 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch For Smart Home Garage Door Car Alarm Farm Motor
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CE039 DC 12V 4 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch For Smart Home Garage Door Car Alarm Farm Motor
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R4M9B12 DC 6-24V 4CH TTL232 Multifunction MOS Transistor Solid State Relay Module Modbus RTU AT Command for PLC Motor PTZ LED
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R4M9B12 DC 6-24V 4CH RS485 TTL232 Multifunction MOS Transistor Solid State Relay Module Modbus RTU AT Command for PLC Motor PTZ LED
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N221B02 DC 5V 7.5V 9V 2Channel RS232 Relay Board Remote Control USB PC UART COM Serial Ports
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N4DAC02 2CH DC 12V 0-5V 0-10V Voltage Signal Generator DAC Converter Module RS485 Modbus RTU For PLC Measuring Instruments
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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
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R217A08 5V 8CH RS232 IO Control Switch Relay PLC Expansion Board DB9 Serial Port PC Com Module For Arduino UNO MEGA NANO
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N4D8C1224V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
US$23.99
N4D8C12 24V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
US$22.99
N4D8C12 12V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
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N4D8C12 12V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
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N4DBA06_R 8CH 0-5V 0-10V 4-20MA Voltage Current Signal Generator Detector RS485 to ADC DAC Converter Modbus RTU IO Module
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N4DBA06 8CH 0-5V 0-10V 4-20MA Voltage Current Signal Generator Detector RS485 to ADC DAC Converter Modbus RTU IO Module
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N4DIG08 8CH Input/Output UART RS485 Modbus RTU Controller PLC Expansion Module For Arduino UNO MEGA NANO STM32 AVR PIC
US$4.19
N4DIG08 8CH Input/Output UART RS485 Modbus RTU Controller PLC Expansion Module For Arduino UNO MEGA NANO STM32 AVR PIC
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N4DIG08 8CH Input/Output UART RS485 Modbus RTU Controller PLC Expansion Module For Arduino UNO MEGA NANO STM32 AVR PIC
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AMDOC16 DC 12V 24V 16DO RS485 Isolated Communication Switch Digital Output MODBUS RTU PLC Expansion Board
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N228D02 DC 24V 2CH DB9 UART Relay Module RS232 Serial Port Switch Board For PC PLC Motor LED PTZ
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N228D02 DC 12V 2CH DB9 UART Relay Module RS232 Serial Port Switch Board For PC PLC Motor LED PTZ
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OPTLB03 Industrial Grade RS485 To TTL232 RXD TXD R/D Isolated Communication Surge Protection Module For Arduino PLC ESP8266
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OPTLB03 Industrial Grade RS485 To TTL232 RXD TXD R/D Isolated Communication Surge Protection Module For Arduino PLC ESP8266
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AMIOA08 DC 12V 24V 8DI-8DO RS485 Isolated Communication Digital Input and Output MODBUS RTU PLC Module
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N428E02 NEW! 2CH 12V DC RS485 Modbus RTU Relay PC UART Serial Port Switch Board For PLC Camera Industrial Control System LED PTZ
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N4VIA02 2A Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU
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N4VIA02 5A Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU
US$7.99
N4VIA02 1A Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU
US$7.99
N4VIA02 5A Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU
US$6.99
N4VIA02 2A Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU
US$6.99
N4VIA02 1A Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU
US$6.99
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