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UART 485/232/TTL
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RS485 Modues & relays
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Wireless RS485/RS232 series 1
Current Voltage ADC Collector
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top saler
R428A01 2 In 1 RS485 RS232 TTL AT Modbus RTU Relay Switch Board PC USB COM UART Serial Port 1 CH 12V DC Module
US$4.99
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 NPN 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
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
New Products [more]
R4DIK04 12V 0-20mA 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
US$17.99
R4DIK04 12V 0-20mA 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
US$16.99
R44VL04 0-10V 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
US$7.99
R4DVI04 12V 0-10V 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
US$16.99
R44VL04 0-10V 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
US$7.99
R4DVI04 12V_R 0-10V 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
US$17.99
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UART 485/232/TTL
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R4DIK04 24V 0-20mA 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
US$17.99
N4CID08 8AI Current Voltage Analog Collector 20MA 30V ADC RS485 Bus Core Board for Arduino Pi PICO ESP32 ESP8266 WIFI Nodemcu
US$8.99
N4A7K16 7AI-1VI -4DI -16DO 24CH Digital Analog Mixed Acquisition Module RS485 Remote I/O Module 0-20MA 4-20MA 0-10V 0-30V Current Voltage ADC Collector
US$21.99
RT4AE01 RS485 to RS232 Wireless Transceiver Serial Data Long-Distance Transmission 433M
US$35.99
N43IC04 0-50MA RS485 Modbus RTU ADC Module 4CH Current/Voltage Analog Acquisition Board
US$4.99
R421A08 8 CH DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch For PLC PTZ Camera
US$21.99
RT18A01 2pcs RT18A01 RS485 Transceiver Wireless Repeater 485 Master-slave control 868M FSK Uhf Module
US$79.99
N467D01 2A 8-30V Small DC Linear Geared Motor Driver Forward Reverse Stop Delay Timer Controller RS485 PLC IO
US$8.99
AMIOA08 DC 12V 24V 8DI-8DO RS485 Isolated Communication Digital Input and Output MODBUS RTU PLC Module
US$26.99
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
US$20.99
N228D02 DC 24V 2CH DB9 UART Relay Module RS232 Serial Port Switch Board For PC PLC Motor LED PTZ
US$4.99
TB456 20KG for WG18A02 1KG rs485 TTL 232 Weight Sensor
US$3.99
WG18A02 DC 5V RS485 UART Modbus RTU HX711 Pressure Weight Sensor Electronic Scale Module For PLC Configuration Software
US$6.99
R46CA01 ANO 5V TTL232 NO DC 3.7-25V DS18B20 RS485 RS232 TTL Modbus RTU Temperature Sensor Remote Acquisition Monitor Module For Arduino PC PLC MCU
US$3.99
WG18A02 DC5V TTL 232 UART Modbus RTU HX711 Pressure Weight Sensor Electronic Scale Module For PLC Configuration Software
US$6.99
N4OPA02 150KBPS Adaptive BaudRate/DataBit/Parity/StopBit 3KV RS485 Active Isolator Signal Repeater Booster Amplifier Module
US$11.99
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
R4DVI04 12V_R 0-10V 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
US$17.99
RYR408B Easy Setup 12V 8 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$19.99
N228D02 DC 12V 2CH DB9 UART Relay Module RS232 Serial Port Switch Board For PC PLC Motor LED PTZ
US$4.99
R413E16 + TB440 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$17.99
N4CID08 8AI Current Voltage Analog Collector 20MA 30V ADC RS485 Bus Core Board for Arduino Pi PICO ESP32 ESP8266 WIFI Nodemcu
US$8.50
R422B02 3.3V 5V UART PWM GPIO Digital Signal Full-Duplex Transceiver RS232 TTL to RS422 Converter Module for Raspberry Pico Pi Zero W
US$1.69
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
US$7.99
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
WG18A02 DC5V RS485 UART Modbus RTU HX711 Pressure Weight Sensor Electronic Scale Module For PLC Configuration Software
US$6.99
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
WG18A02 DC5V TTL 232 UART Modbus RTU HX711 Pressure Weight Sensor Electronic Scale Module For PLC Configuration Software
US$6.99
PTA8E16 -40℃ to +220℃ 16CH DC 12V 24V Temperature Analog PT100 Resistance RS485 Collector Modbus RTU -40-500 High Temperature Acquisition Board
US$31.99
NTROA02 5V 2AI-2DO NTC Relay RS485 RS232(TTL) Analog Digital Modbus Rtu Remote IO Module Temperature Input Relay Output NTROA02 Board
US$5.99
RT4AE01 868mhz UART USB to RS485 RF Wireless FSK Serial Port Data Transmit Master Slave
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R485A01 MCU Master-Slave Networking Transceiver UART RS232 TTL to RS485 Automatic Converter for Modbus Profibus CAN LonWorks Smart Home
US$0.99
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$35.99
R221A08 DC 12V 8 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch For PLC Smart Home Garage door Car alarm Farm Motor
US$15.99
CE039 DC 12V 4 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch For Smart Home Garage Door Car Alarm Farm Motor
US$12.99
UD23A08 5V Multifunction USB RS232 TTL UART Relay Module 8CH PC MCU Control Switch For Motro LED PTZ PLC IPC
US$19.99
R4A8H08 24V 8DO 4DI 8AI RS485 Modbus RTU Multifunction Relay Module PLC IO Expanding Board 4-20MA 0-10V Current Voltage Collector R4A8H0V8
US$31.99
R4PIN08 8DI 8CH Multifunction RS485 Remote IO 2.54mm Pin Core Board Modbus Rtu Master-slave Digital Collection Module DC 5V 12V 24V
US$3.99
R4DVI04 24V 0-10V 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
US$17.99
N4D8C12 12V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
US$27.99
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