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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
New Products [more]
OP71A04 5V 5V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 5V 12V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 24V 3.3V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 3.3V 24V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 5V 3.3V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
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UART 485/232/TTL
RS232 Modues & relays
RS232 Modues & relays
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TB351 DC 12V 2 CH DB9 Female/Male RS232 UART Remote Control Switch Board Serial Port Relay Module
US$7.99
R223C16 16ch DC 12V Serial Port DB9 UART RS232 Relay Module for PLC PC Com 3D Printer LED Home lighting Motor
US$25.99
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
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
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
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
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
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
N228D02 DC 24V 2CH DB9 UART Relay Module RS232 Serial Port Switch Board For PC PLC Motor LED PTZ
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
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
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
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
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
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
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