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UD23A08 12V Multifunction USB RS232 TTL UART Relay Module 8CH PC MCU Control Switch For Motro LED PTZ PLC IPC
$13.30
RT24G01 UHF Radio Modem 2Mbps Air Data Rate RS485 Fast Transceiver 2.4G 20DBM Quasi-Full-Duplex UART DTU Module for Smart Meter Scale
$21.49
UD68B01 USB to RS485 485 Modbus programmer USB to RS485 Bus Converter Module CH340 SP485 MAX485 for Modbus Relay PLC PTZ
$3.95
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R422B02 3.3V 5V UART PWM GPIO Digital Signal Full-Duplex Transceiver RS232 TTL to RS422 Converter Module for Raspberry Pico Pi Zero W
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R422B02 3.3V 5V UART PWM GPIO Digital Signal Full-Duplex Transceiver RS232 TTL to RS422 Converter Module for Raspberry Pico Pi Zero W
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TB351 DC 12V 2 CH DB9 Female/Male RS232 UART Remote Control Switch Board Serial Port Relay Module
$5.12
N4VIG08 DC5V 8AI 8CH Analog-to-Digital Conversion ADC Module 0-10V Voltage Current to RS485 Modbus PinBoard PLC Remote IO DIY
$3.95
CE028 12V 4Ch Bluetooth Relay Android Mobile Remote control Switch for Motor LED Light
$14.47
N4VIG08 DC 12V 8CH Analog-to-Digital Conversion ADC Module 0-10V Voltage Current to RS485 Modbus PinBoard PLC Remote IO DIY
$3.95
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R44IM04 0-20mA 12CH 12V 24V RS485 Analog Digital IO Module 4AI-4DI-4DO PLC Remote I/O Board Modbus RTU 01/02/03/04/05/06/15/16 Function Code
$5.12
R4DIK04 12V 0-20mA 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
$13.30
TB456 20KG for WG18A02 1KG rs485 TTL 232 Weight Sensor
$2.31
LD58A08 8ch RS485 Modbus RTU DO/PWM Output Multifunction MOS Driver Board for Multilayer Signal Lights LED Relay Solenoid Valves Motor
$5.12
R421A08 8 CH DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch For PLC PTZ Camera
$12.13
AMDIB16 NPN 16DI DC 12V 24V NPN Digital Input Module RS485 Isolated Communication MODBUS RTU PLC Expansion Board
$19.15
R227A01 2 IN 1 RS232 TTL232 Interface Serial Port Relay UART Switch PC USB MCU For Smart Home Garage Door Car Alarm Farm Motor
$5.12
R4PIN08 8DI with pin 8CH Multifunction RS485 Remote IO 2.54mm Pin Core Board Modbus Rtu Master-slave Digital Collection Module DC 5V 12V 24V
$3.01
AMVDK15 3 IN 1 6VI-4DI-4DO 0-5V/0-10V Voltage Analog Collector & 4CH NPN DI-DO Digital IO RS485 MODBUS RTU for PLC HMI PC
$19.59
RT4AE01 868MHz USB RJ45 Female FSK RF Wireless Communication Serial Data Transmission
$53.05
UDTTL03 12V 5V VCC Output USB to TTL232 Converter UART PC COM Serial Port Module for PLC IO HMI MCU PTZ Smart Home Debugging
$6.29
NT38D01 232 Mini TTL232 1k-100K Resistance Value Measurement Module 10K 3950 NTC Thermistor Collector
$1.84
RT4AE01 868MHz RS232 DB9 Com Wireless Transmission UART Serial Data Long-Distance
$21.49
RYR408B Easy Setup 24V 8 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
$14.47
RYR432D Easy Setup 12V 32 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
$44.87
CE035 DC 12V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
$6.99
RT4AE01 USB RJ45 to RS232 UART Wireless Transceiver RF Serial Port Data Passthrough 868M
$21.49
RT4AE01 433M RS232 FSK RF Wireless Comunication Serial Data Long-Distance Transmission
$53.05
R413E16 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
$4.42
R4DVI04 12V 0-10V 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
$12.13
N438B08 8CH DC 12V RS485 Relay PC UART Serial Port Switch RTU 03 06 16 Function Code DIN Shell Switch Board
$16.81
R44IM04 0-20mA 12CH 12V 24V RS485 Analog Digital IO Module 4AI-4DI-4DO PLC Remote I/O Board Modbus RTU 01/02/03/04/05/06/15/16 Function Code
$5.59
RYR404A Easy Setup 24V 4 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
$8.63
R4DIK04 24V 0-20mA 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
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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
$8.63
RT4AE01 868mhz UART USB to RS232 RF Serial Port FSK Data Wireless Control Master Slave
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N4ROF32 12V Mini DC 12V 32CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$49.54
R4DVI04 24V 0-10V 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
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N4A4I06 24V 14CH Multifunction RS485 Network Bus NTC Temperature Collector 4AI-4DI-6DO Modbus RTU PLC Remote IO Analog Digital Expander
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RT4AE01 RS485 RS232 Wireless Transceiver Serial Data Long-Distance Transmission 868MHz
$21.49
RYR416C Easy Setup 12V 16 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
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N4ROE16 Mini DC 12V 16CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$26.16
RT4AE01 433M RS232 FSK RF Wireless Comunication Serial Data Long-Distance Transmission
$21.49
RT24G01 UHF Radio Modem 2Mbps Air Data Rate RS485 Fast Transceiver 2.4G 20DBM Quasi-Full-Duplex UART DTU Module for Smart Meter Scale
$10.96
RYR408B With Din Rail Easy Setup 24V 8 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
$15.64
RYR404A Easy Setup12V 4 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
$8.63
RYR404A with Din Rail Easy Setup 24V 4 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
$9.79
RYR432D Easy Setup 24V 32 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
$44.87
N4ROF32 24V Mini DC 24V 32CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$49.54
N4ROC04 Mini DC 12V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$7.46
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