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UD23A08 12V Multifunction USB RS232 TTL UART Relay Module 8CH PC MCU Control Switch For Motro LED PTZ PLC IPC
$19.99
RT24G01 UHF Radio Modem 2Mbps Air Data Rate RS485 Fast Transceiver 2.4G 20DBM Quasi-Full-Duplex UART DTU Module for Smart Meter Scale
$29.99
UD68B01 USB to RS485 485 Modbus programmer USB to RS485 Bus Converter Module CH340 SP485 MAX485 for Modbus Relay PLC PTZ
$3.99
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UD67A01 3 In 1 USB To RS232 TTL232 Pro Mini Download Cable Serial Ports CH340 Converter Board Industrial Grade IC SP232
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LC55B01 30A High Power AC DC 12V Fish tank Aquarium Automatic Water Supply Controller Water Level Sensor Solenoid Valve Water Pump Mot
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DD03AJTA 30W DC 3V 3.3V 3.7V to 5V 6V 7.5V 9V 10V 12V 14.8V 24V Step-Up Boost Converter Board For 18650 Lithium Battery
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IO52B02 32CH DI PNP Digital Switch PLC IO Expansion Board 3000VDC Optical isolation Input RS485 Modbus RTU Module
$12.26
DDUPCRUA 20W QC3.0 2.0 FCP Fast Quick Charger 3.7V 3.8V 4.2V 4.5V To 5V 9V 12V USB DC-DC Boost Module Smart Phone PAD Charging
$3.99
PS23A04 5V 12V 24V 4CH Multifunction Voltage Control Relay lithium Lead-acid Battery Charge And Discharge Protector
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DM18B02 2 bit 1.8 inch RS485 Modbus Rtu Digital Tube LCD LED Display Module DC 12V 24V for PLC HMI Temperature Humidity Sensor Digital Analog
$10.96
N4CIE16 5V 16CH Current Voltage Analog Collector 20MA 30V ADC RS485 Bus Core Board for Arduino Pi PICO ESP32 ESP8266 WIFI Nodemcu
$10.99
N4CIE16 12V 16CH Current Voltage Analog Collector 20MA 30V ADC RS485 Bus Core Board for Arduino Pi PICO ESP32 ESP8266 WIFI Nodemcu
$10.99
R4DCB08 8 CH DC 12V DS18B20 RS485 Temperature Sensor Remote Acquisition Monitor Digital Thermometer Module PLC Configuration
$10.99
N4CIE16 5V 16CH Current Voltage Analog Collector 20MA 30V ADC RS485 Bus Core Board for Arduino Pi PICO ESP32 ESP8266 WIFI Nodemcu
$11.50
N4CIE16 12V 16CH Current Voltage Analog Collector 20MA 30V ADC RS485 Bus Core Board for Arduino Pi PICO ESP32 ESP8266 WIFI Nodemcu
$11.50
R4D7G04 DC 24V Multifunction PLC IO Expanding Board 4-20MA 0-10V Analog Current Voltage Collector NPN/PNP DI for Instrument
$11.99
R4D7G04 DC 12V Multifunction PLC IO Expanding Board 4-20MA 0-10V Analog Current Voltage Collector NPN/PNP DI for Instrument
$11.99
PTA8C04 12V 4CH DC 12V -40~220 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$11.99
PTA8C04 4CH DC 24V -40~220 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$11.99
PTA8C04 4CH DC 24V -40~500 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$11.99
PTA8C04 4CH DC 12V -40~500 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$11.99
PTA8C04 12V 4CH DC 12V -40~220 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$11.99
CE039 DC 12V 4 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch For Smart Home Garage Door Car Alarm Farm Motor
$12.99
CE039 DC 5V 4 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch For Smart Home Garage Door Car Alarm Farm Motor
$12.99
TB438 8 pcs 10K B3950 1% NTC Thermal sensor
$12.99
ET69C02 Only Board Ethernet Network IP RJ45 to RS485 Bus Converter for Modbus RTU Master Slave TCP Client Server MQTT PLC
$12.99
NT28B16 50K 16 CH RS485 Temperature Acquisition Board RTU Paperless Recorder 10K/20K/50K/100K B3950 NTC Sensor
$12.99
NT28B16 20K 16 CH RS485 Temperature Acquisition Board RTU Paperless Recorder 10K/20K/50K/100K B3950 NTC Sensor
$12.99
NT28B16 100K 16 CH RS485 Temperature Acquisition Board RTU Paperless Recorder 10K/20K/50K/100K B3950 NTC Sensor
$12.99
NT28B16 10K 16 CH RS485 Temperature Acquisition Board RTU Paperless Recorder 10K/20K/50K/100K B3950 NTC Sensor
$12.99
8 PCS TB438_10K 10K B3950 1% NTC Thermal sensor
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NT18B07 7 CH NTC Temperature Transmitter 10K Thermistor to RS485 Acquisition Module For PLC Paperless Recorder Configuration Softwa
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R4D7G04 DC 12V Multifunction PLC IO Expanding Board 4-20MA 0-10V Analog Current Voltage Collector NPN/PNP DI for Instrument
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R4D7G04 DC 24V Multifunction PLC IO Expanding Board 4-20MA 0-10V Analog Current Voltage Collector NPN/PNP DI for Instrument
$13.99
RT18A01 Master-slave Network Transceiver Wireless Repeater FSK 868M UHF FR Module DTU Board For PTZ Camera
$13.99
RT18A01 RS485 Master-slave Network Transceiver Wireless Repeater FSK 433M 868M UHF FR Module DTU Board For PTZ Camera
$13.99
ET69C02 with Rail Box Ethernet Network IP RJ45 to RS485 Bus Converter for Modbus RTU Master Slave TCP Client Server MQTT PLC
$13.99
CE040 DC 12V 4 CH RS485 Relay Module Modbus RTU And AT Command Remote Control Switch for PLC PTZ Camera Security Monitoring
$13.99
CE035 DC 12V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
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TB440 for R413E16 16ch Relay Board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
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R4D1C32 DC 6.5-30V 32CH DIN35 C45 Rail Box RS485 Modbus RTU Controller 300MA Driver Module For PLC Relay Switch LED Motor
$13.99
PTA8C04 4CH DC 12V -40~220 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$13.99
PTA8C04 4CH DC 24V -40~220 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$13.99
PTA8C04 4CH DC 12V -40~500 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$13.99
PTA8C04 4CH DC 24V -40~500 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$13.99
N4OPA02 150KBPS Adaptive BaudRate/DataBit/Parity/StopBit 3KV RS485 Active Isolator Signal Repeater Booster Amplifier Module
$14.89
N4AIA08 22CH 4-20MA Current & 2CH 0-30V Voltage Input RS485 AI Module 24CH 12-bit ADC Collector Board MODBUS RTU PLC IO
$14.99
RT38B01 433-458MHz UHF DTU RS485 Bus RF Serial Port UART Transceiver Module for Smart Meter PTZ Camera PLC Modbus
$14.99
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
$15.99
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