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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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top saler
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
RT4AE01 868MHz USB RJ45 UART Serial UART Wireless Data Transceiver Communication
US$29.99
UD23202 12V 5V VCC Output USB to RS232 Converter UART PC COM Serial Port Module for PLC IO HMI MCU PTZ Smart Home Debugging
US$5.99
UD68B01 USB to RS485 485 Modbus programmer USB to RS485 Bus Converter Module CH340 SP485 MAX485 for Modbus Relay PLC PTZ
US$2.99
New Products [more]
N43IC04 0-20MA RS485 Modbus RTU ADC Module 4CH Current/Voltage Analog Acquisition Board
US$4.99
N43IC04 0-10MA RS485 Modbus RTU ADC Module 4CH Current/Voltage Analog Acquisition Board
US$4.99
DR51D01 for IO54C01 0-3A 42/57/86 Stepper Motor Forward Reverse Controller PWM Pulse Speed Drive Module For Screw Slider 3D Printer Accessories
US$19.99
IO54C01 + DR51D01 0-3A 42/57/86 Stepper Motor Forward Reverse Controller PWM Pulse Speed Drive Module For Screw Slider 3D Printer Accessories
US$59.99
IO54C01 for DR51D01 0-3A 42/57/86 Stepper Motor Forward Reverse Controller PWM Pulse Speed Drive Module For Screw Slider 3D Printer Accessories
US$33.99
IO55C02 for TB453 433M Wireless Remote Controller Forward Reverse Limit Speed Board 200W 12V 24V DC Motor Driver Module
US$29.99
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UART 485/232/TTL
UART 485/232/TTL
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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
US$4.99
TB351 DC 12V 2 CH DB9 Female/Male RS232 UART Remote Control Switch Board Serial Port Relay Module
US$7.99
RT4AE01 433mhz UART RS232 to RS485 RF FSK Serial Port Data Passthrough Master Slave
US$69.99
RYR408B With Din Rail Easy Setup 12V 8 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$20.99
N4ROB02 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$6.99
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
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
N4OPA02 150KBPS Adaptive BaudRate/DataBit/Parity/StopBit 3KV RS485 Active Isolator Signal Repeater Booster Amplifier Module
US$11.99
AMIDJ14 6AI-4DI-4DO Multi-function RS485 Collector Analog Digital Input & Output MODBUS RTU PLC Expansion Board DC 12V 24V AMIDJ14
US$26.99
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$19.99
N438C15 DC 12V 15CH RS485 RS232 Modbus RTU Relay PC UART Serial Port Switch For PLC Camera Industrial Control System
US$39.99
RT4AE01 868MHz RS232 Wireless Radio Modem 20dBm Data Transceiver Modbus GFSK Modulation
US$69.99
RT4AE01 VHF/UHF Radio Modem 433M RS232/USB Wireless Transceiver Serial Data Long-Distance Transmission Module
US$19.99
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
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
RT24G01 UHF Radio Modem 2Mbps Air Data Rate RS485 Fast Transceiver 2.4G 20DBM Quasi-Full-Duplex UART DTU Module for Smart Meter Scale
US$15.99
N4ROF32 24V Mini DC 24V 32CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$52.99
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
RYR416C With Din Rail Easy Setup 24V 16 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$30.99
N4AIC24 22CH 4-20MA Current & 2CH 0-30V Voltage Input RS485 AI Module 24CH 12-bit ADC Collector Board MODBUS RTU PLC IO
US$25.99
AMIOA08 DC 12V 24V 8DI-8DO RS485 Isolated Communication Digital Input and Output MODBUS RTU PLC Module
US$26.99
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
RYR404A Easy Setup 24V 4 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$16.99
TB350 0.02H-10Mhz Adjustable Square Wave Pulse Signal generator Module replace MCU LM358 CD4017 NE555 PWM AD9850 AD9851 DDS controller
US$2.99
RT6AF02 for RT39D01 RT59E02 RT48D02 2400-2525MHz RS232 Serial Port Wireless Transceiver Module RF UART Board for ESP8266 NodeMCU PC Serial port COM Printers
US$4.99
R485A01 MCU Master-Slave Networking Transceiver UART RS232 TTL to RS485 Automatic Converter for Modbus Profibus CAN LonWorks Smart Home
US$0.99
N4D8B08 DC 24V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$16.99
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$1.69
N4VIA02 2A Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU
US$7.99
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
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
RT4AE01 USB RJ45 Female FSK RF Wireless Communication Serial Data Transmission
US$69.99
N4AIB16 22CH 4-20MA Current & 2CH 0-30V Voltage Input RS485 AI Module 24CH 12-bit ADC Collector Board MODBUS RTU PLC IO
US$23.99
RYR404A Easy Setup12V 4 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$16.99
N4ROA01 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$5.99
UD23A08 5V Multifunction USB RS232 TTL UART Relay Module 8CH PC MCU Control Switch For Motro LED PTZ PLC IPC
US$19.99
RYR416C Easy Setup 12V 16 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$28.99
R4HUB08 1xRS485 to 8xRS485 1/8 Port Industrial Gateway Serial Server RJ45 to RS485 HUB Converter UDP TCP Modbus TCP RTU MQTT HTTP PLC
US$21.99
RT4AE01 433M RS485 to RS485 Wireless Transceiver Serial Data Long-Distance Transmission
US$35.99
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
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