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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
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DNC2B04 1nF to 9999nF Step-1nF cztery dekady Programmable Capacitor Board Polypropylene Film Capacitor C35 DIN Rail For PLC
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DNESP32 DIN Rail Mount Screw Terminal Block Adapter Module 3.96 Connector For ESP32S ESP-WROOM-32 DevKitC ESP32 WIFI Ethernet PLC
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DM18A01 1 bit 1.8 inch RS485 Modbus Rtu Digital Tube LCD LED Display Module DC 12V 24V for PLC HMI Temperature Humidity Sensor Digital Analog
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DN31C01 DC DIN Rail Mount Screw Terminal Block Breakout Module PLC Expanding Board DIN PinBoard For Industrial Control
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DNPIC01 DIN Rail Mount 3.95MM GPIO PinBoard Screw Terminal Block Adapter Baord for Raspberry Pi Pico RasPi RPI PLC Module
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DNESP82_R 2.4G NodeMcu Lua WIFI ESP8266 GPIO DIN Rail Box Expansion Board For Arduino PLC Industrial Controllers
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UART 485/232/TTL
RS232 Modues & relays
RS232 Modues & relays
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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
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