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UART 485/232/TTL
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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
UD68B01 USB to RS485 485 Modbus programmer USB to RS485 Bus Converter Module CH340 SP485 MAX485 for Modbus Relay PLC PTZ
US$2.99
OPTLB03 Industrial Grade RS485 To TTL232 RXD TXD R/D Isolated Communication Surge Protection Module For Arduino PLC ESP8266
US$1.99
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
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23IOA08 NPN Multifunction RS485 Remote IO Module PLC DI-DO expansion Board DIN Rail Box Standard MODBUS RTU Protocol
US$15.99
23IOD32 NPN Multifunction RS485 Remote IO Module PLC DI-DO expansion Board DIN Rail Box Standard MODBUS RTU Protocol
US$32.99
23IOB16 16 CH NPN Multifunction RS485 Remote IO Module PLC DI-DO expansion Board DIN Rail Box Standard MODBUS RTU Protocol
US$23.99
23IOD32 32CH PNP Multifunction RS485 Remote IO Module PLC DI-DO expansion Board DIN Rail Box Standard MODBUS RTU Protocol
US$32.99
23IOC24 24 CH NPN Multifunction RS485 Remote IO Module PLC DI-DO expansion Board DIN Rail Box Standard MODBUS RTU Protocol
US$26.98
23IOD32 32CH NPN Multifunction RS485 Remote IO Module PLC DI-DO expansion Board DIN Rail Box Standard MODBUS RTU Protocol
US$34.99
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UART 485/232/TTL
UART 485/232/TTL
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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
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
RT59E02 for RT39D01 RT48D02 RT6AF02 2400-2525MHz RS232 Serial Port Wireless Transceiver Module RF UART Board for ESP8266 NodeMCU PC Serial port COM Printers
US$4.99
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
RT39D01 for RT59E02 RT48D02 RT6AF02 2400-2525MHz RS232 Serial Port Wireless Transceiver Module RF UART Board for ESP8266 NodeMCU PC Serial port COM Printers
US$4.99
N228D02 DC 12V 2CH DB9 UART Relay Module RS232 Serial Port Switch Board For PC PLC Motor LED PTZ
US$4.99
N228D02 DC 24V 2CH DB9 UART Relay Module RS232 Serial Port Switch Board For PC PLC Motor LED PTZ
US$4.99
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
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
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
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
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
R223B01 1CH DC12V PC COM DB9 RS232 Serial Port Delay Relay ARM MCU UART Switch Module For PLC 3D Printer LED Motor
US$5.99
R223C16 16ch DC 12V Serial Port DB9 UART RS232 Relay Module for PLC PC Com 3D Printer LED Home lighting Motor
US$25.99
TB351 DC 12V 2 CH DB9 Female/Male RS232 UART Remote Control Switch Board Serial Port Relay Module
US$7.99
N4OPA02 150KBPS Adaptive BaudRate/DataBit/Parity/StopBit 3KV RS485 Active Isolator Signal Repeater Booster Amplifier Module
US$11.99
R2OPB03 RS485 to RS232 Isolator Converter Serial Port Printer Networking Module PC STM32 MCU Development Board Debugger
US$16.99
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
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
OPDIC08 8 Channels DC 3.3V 5V Digital Isolation Communication Module 150Kbps TTL LvTTL Level Converter for UART SPI IIC RS485 GPIO
US$1.99
UD67A01 3 In 1 USB To RS232 TTL232 Pro Mini Download Cable Serial Ports CH340 Converter Board Industrial Grade IC SP232
US$2.59
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
R411B01 3.3V Auto RS485 to LVTTL RS232 Transceiver Converter SP3485 Module For esp8266 raspberry pi breadboard nodemcu banana pi
US$1.99
R4DIF08 8 Bit Digital Switch TTL LvTTL CMOS IO Input UART RS485 For PLC Expand Relay Industrial Automation
US$4.99
N438C15 DC 24V 15CH RS485 RS232 Modbus RTU Relay PC UART Serial Port Switch For PLC Camera Industrial Control System
US$39.99
N438C15 DC 12V 15CH RS485 RS232 Modbus RTU Relay PC UART Serial Port Switch For PLC Camera Industrial Control System
US$39.99
UD24B01 5V USB Relay DC 5V PC UART Serial Port SwitchTYPE-C USB TTL232 Relay Module For Arduino MEGA Raspberry PI
US$4.99
N229E01 12V TTL 232 Relay DC 5V PC UART Serial Port SwitchTYPE-C USB TTL232 Relay Module For Arduino MEGA Raspberry PI
US$4.99
N229E01 5V TTL 232 Relay DC 5V PC UART Serial Port SwitchTYPE-C USB TTL232 Relay Module For Arduino MEGA Raspberry PI
US$4.99
UD23A08 5V Multifunction USB RS232 TTL UART Relay Module 8CH PC MCU Control Switch For Motro LED PTZ PLC IPC
US$19.99
UD23A08 24V V Multifunction USB RS232 TTL UART Relay Module 8CH PC MCU Control Switch For Motro LED PTZ PLC IPC
US$19.99
UD23A08 12V Multifunction USB RS232 TTL UART Relay Module 8CH PC MCU Control Switch For Motro LED PTZ PLC IPC
US$19.99
N223B08 DC12V 8CH 2 IN 1 RS232/TTL232 PC UART Relay Module Serial Pport Remote Control Switch For PLC Camera Industrial Control System
US$22.99
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
OPTLB03 Industrial Grade RS485 To TTL232 RXD TXD R/D Isolated Communication Surge Protection Module For Arduino PLC ESP8266
US$1.99
OPTLB03 Industrial Grade RS485 To TTL232 RXD TXD R/D Isolated Communication Surge Protection Module For Arduino PLC ESP8266
US$1.99
N221B02 DC 5V 7.5V 9V 2Channel RS232 Relay Board Remote Control USB PC UART COM Serial Ports
US$9.99
R4M9B12 DC 6-24V 4CH RS485 TTL232 Multifunction MOS Transistor Solid State Relay Module Modbus RTU AT Command for PLC Motor PTZ LED
US$9.99
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
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