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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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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
R4DIF08 8 Bit Digital Switch TTL LvTTL CMOS IO Input UART RS485 For PLC Expand Relay Industrial Automation
US$4.99
UD68B01 USB to RS485 485 Modbus programmer USB to RS485 Bus Converter Module CH340 SP485 MAX485 for Modbus Relay PLC PTZ
US$2.99
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
New Products [more]
OPMSC12 PNP Input 12-24V NPN Output 12CH DC 3.3V/5V/12V/24V 5A PLC Signal Amplifier NPN/PNP Logic Level Converter Module
US$18.99
OPMSB08 NPN Input 3.3-5V PNP Output 8CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$12.99
OPMSB08 PNP Input 3.3-5V NPN Output 8CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$12.99
OPMSB08 NPN Input 3.3-5V NPN Output 8CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$13.99
OPMSC12 PNP Input 12-24V PNP Output 12CH DC 3.3V/5V/12V/24V 5A PLC Signal Amplifier NPN/PNP Logic Level Converter Module
US$18.99
OPMSB08 NPN Input 3.3-5V PNP Output 8CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$13.99
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UART 485/232/TTL
UART 485/232/TTL
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OPDIB04 4 Channels DC 3.3V 5V Digital Isolation Communication Module 150Kbps TTL LvTTL Level Converter for UART SPI IIC RS485 GPIO
US$1.99
RT48D02 for RT39D01 RT59E02 RT6AF02 2400-2525MHz RS232 Serial Port Wireless Transceiver Module RF UART Board for ESP8266 NodeMCU PC Serial port COM Printers
US$4.99
R227A01 2 IN 1 RS232 TTL232 Interface Serial Port Relay UART Switch PC USB MCU For Smart Home Garage Door Car Alarm Farm Motor
US$4.99
R2OPB03 RS485 to RS232 Isolator Converter Serial Port Printer Networking Module PC STM32 MCU Development Board Debugger
US$16.99
DN33C08 DC 12V 24V 8ch Multifunction Delay Timer RS485 Modbus Relay Module for Raspberry Pi Pico Simple Open PLC Python C++
US$28.99
N4VIG08 DC 12V 8CH Analog-to-Digital Conversion ADC Module 0-10V Voltage Current to RS485 Modbus PinBoard PLC Remote IO DIY
US$3.99
LD58A08 8ch RS485 Modbus RTU DO/PWM Output Multifunction MOS Driver Board for Multilayer Signal Lights LED Relay Solenoid Valves Motor
US$9.99
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$17.99
OPDIA02 2 Channels DC 3.3V 5V Digital Isolation Communication Module 150Kbps TTL LvTTL Level Converter for UART SPI IIC RS485 GPIO
US$1.99
N4VIA02 1A Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU
US$6.99
TB456 1KG for WG18A02 1KG Weight Sensor RS485 RS232 TTL
US$3.99
NT28B16 50K 16 CH RS485 Temperature Acquisition Board RTU Paperless Recorder 10K/20K/50K/100K B3950 NTC Sensor
US$14.99
RT4AE01 433M RS232 FSK RF Wireless Comunication Serial Data Long-Distance Transmission
US$69.99
CTR4A01 5A 110 220V 50HZ/60HZ RS485 Current Collector Ammeter MODBUS PLC Current Analog Acquisition AC Transformer Meter Module
US$15.99
N223B08 DC12V 8CH 2 IN 1 RS232/TTL232 PC UART Relay Module Serial Pport Remote Control Switch For PLC Camera Industrial Control System
US$25.99
N4CIE16 5V 16CH Current Voltage Analog Collector 20MA 30V ADC RS485 Bus Core Board for Arduino Pi PICO ESP32 ESP8266 WIFI Nodemcu
US$11.50
NT28B16 10K 16 CH RS485 Temperature Acquisition Board RTU Paperless Recorder 10K/20K/50K/100K B3950 NTC Sensor
US$14.99
SHA8C01 12V RS485 -40-125Celsius 0-100%RH SHT30 SHT3X RS485 RS232 TTL Modbus Rtu Digital Temperature Humidity Sensor Module
US$2.99
N4A4I06 24V 14CH Multifunction RS485 Network Bus NTC Temperature Collector 4AI-4DI-6DO Modbus RTU PLC Remote IO Analog Digital Expander
US$26.99
UD48501 VCC Output USB to RS485 programmer
US$5.99
N221B02 DC 5V 7.5V 9V 2Channel RS232 Relay Board Remote Control USB PC UART COM Serial Ports
US$9.99
PTA8C04 4CH DC 24V -40~500 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
US$13.99
N4DBA06 8CH 0-5V 0-10V 4-20MA Voltage Current Signal Generator Detector RS485 to ADC DAC Converter Modbus RTU IO Module
US$15.99
RT4AE01 868MHz RS232 DB9 Com Wireless Transmission UART Serial Data Long-Distance
US$35.99
R413E16 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$6.59
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$16.99
ETD8A12 12V 2 IN1 12 DIO Network/RS485 Relay Module Modbus RTU TCP/IP UART Controller Switch Board For PLC PTZ Camera LED
US$49.99
R4CVA02 Power 6-25V IN0-10V Mini 2CH Voltage Current RS485 Collector Module ADC Serial Port UART AI Input Module PLC Analog IO
US$2.99
N4CIF24 12V 24AI Current Voltage Analog Collector 20MA 30V ADC RS485 Bus Core Board for Arduino Pi PICO ESP32 ESP8266 WIFI Nodemcu
US$16.99
PTA8C04 4CH DC 12V -40~500 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
US$11.99
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$1.99
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$23.99
RYR404A with Din Rail Easy Setup12V 4 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$17.99
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
CE039 DC 5V 4 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch For Smart Home Garage Door Car Alarm Farm Motor
US$12.99
PT22B01 DC 12V -40~220 Celsius 1CH Celsius PT100 RTD Thermocouple Celsius Fahrenheit Wide RS485 Temperature Measurement Modbus RTU Board Sensor Module
US$4.99
R4M9B12 DC 6-24V 4CH TTL232 Multifunction MOS Transistor Solid State Relay Module Modbus RTU AT Command for PLC Motor PTZ LED
US$9.99
R485A01 MCU Master-Slave Networking Transceiver UART RS232 TTL to RS485 Automatic Converter for Modbus Profibus CAN LonWorks Smart Home
US$0.99
RT18A01 Master-slave Network Transceiver Wireless Repeater FSK 868M UHF FR Module DTU Board For PTZ Camera
US$13.99
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
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