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top saler
UD23A08 12V Multifunction USB RS232 TTL UART Relay Module 8CH PC MCU Control Switch For Motro LED PTZ PLC IPC
$13.30
RT24G01 UHF Radio Modem 2Mbps Air Data Rate RS485 Fast Transceiver 2.4G 20DBM Quasi-Full-Duplex UART DTU Module for Smart Meter Scale
$21.49
New Products [more]
NTROA02_5V 2 IN 1 NTC Relay Multifunctional Temperature Acquisition Module TTL232 RS485 Analog Digital PLC IO Expanding Board DC 5V 12V 24V
$6.29
ETROB02 24V Only Board 2DI-2DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
$15.64
ETROA01 24V with Din Box 1DI-1DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
$15.64
ETROB02 24V with Din Box 2DI-2DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
$16.81
ETROB02 12V with Din Box 2DI-2DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
$16.81
ETROB02 12V Only Board 2DI-2DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
$15.64
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OPTLB03 Industrial Grade RS485 To TTL232 RXD TXD R/D Isolated Communication Surge Protection Module For Arduino PLC ESP8266
$2.08
N223B08 DC12V 8CH 2 IN 1 RS232/TTL232 PC UART Relay Module Serial Pport Remote Control Switch For PLC Camera Industrial Control System
$15.64
N223B08 DC12V 8CH 2 IN 1 RS232/TTL232 PC UART Relay Module Serial Pport Remote Control Switch For PLC Camera Industrial Control System
$13.30
UD23A08 12V Multifunction USB RS232 TTL UART Relay Module 8CH PC MCU Control Switch For Motro LED PTZ PLC IPC
$13.30
UD23A08 24V V Multifunction USB RS232 TTL UART Relay Module 8CH PC MCU Control Switch For Motro LED PTZ PLC IPC
$13.30
UD23A08 5V Multifunction USB RS232 TTL UART Relay Module 8CH PC MCU Control Switch For Motro LED PTZ PLC IPC
$13.30
N229E01 5V TTL 232 Relay DC 5V PC UART Serial Port SwitchTYPE-C USB TTL232 Relay Module For Arduino MEGA Raspberry PI
$3.25
N229E01 12V TTL 232 Relay DC 5V PC UART Serial Port SwitchTYPE-C USB TTL232 Relay Module For Arduino MEGA Raspberry PI
$3.25
UD24B01 5V USB Relay DC 5V PC UART Serial Port SwitchTYPE-C USB TTL232 Relay Module For Arduino MEGA Raspberry PI
$3.48
N438C15 DC 12V 15CH RS485 RS232 Modbus RTU Relay PC UART Serial Port Switch For PLC Camera Industrial Control System
$32.01
N438C15 DC 24V 15CH RS485 RS232 Modbus RTU Relay PC UART Serial Port Switch For PLC Camera Industrial Control System
$32.01
R4DIF08 8 Bit Digital Switch TTL LvTTL CMOS IO Input UART RS485 For PLC Expand Relay Industrial Automation
$4.18
R411B01 3.3V Auto RS485 to LVTTL RS232 Transceiver Converter SP3485 Module For esp8266 raspberry pi breadboard nodemcu banana pi
$1.84
R428A01 2 In 1 RS485 RS232 TTL AT Modbus RTU Relay Switch Board PC USB COM UART Serial Port 1 CH 12V DC Module
$5.12
UD67A01 3 In 1 USB To RS232 TTL232 Pro Mini Download Cable Serial Ports CH340 Converter Board Industrial Grade IC SP232
$3.95
OPDIC08 8 Channels DC 3.3V 5V Digital Isolation Communication Module 150Kbps TTL LvTTL Level Converter for UART SPI IIC RS485 GPIO
$2.55
OPDIB04 4 Channels DC 3.3V 5V Digital Isolation Communication Module 150Kbps TTL LvTTL Level Converter for UART SPI IIC RS485 GPIO
$1.61
OPDIA02 2 Channels DC 3.3V 5V Digital Isolation Communication Module 150Kbps TTL LvTTL Level Converter for UART SPI IIC RS485 GPIO
$1.14
R2OPB03 RS485 to RS232 Isolator Converter Serial Port Printer Networking Module PC STM32 MCU Development Board Debugger
$9.79
N4OPA02 150KBPS Adaptive BaudRate/DataBit/Parity/StopBit 3KV RS485 Active Isolator Signal Repeater Booster Amplifier Module
$9.09
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