Collection: RS485 RS232 TTL UART board
-
PROMINIP DC 5V 16M ATmega328P Pro mini Development Board for Arduiuo IO22C04 4CH PLC Board
Regular price $9.99Regular priceUnit price / per$9.99Sale price $9.99 -
R411A01 mini Automatic control RS232(TTL) to RS485 Converter
Regular price $1.99Regular priceUnit price / per$1.99Sale price $1.99 -
UD422D4 4 IN 1 Multifunctional USB Debugger RS485 RS422 RS232 TTL Extender High speed Isolation Anti-interference Lightning protection
Regular price From $9.99Regular priceUnit price / per$9.99Sale price From $9.99 -
R4D6F20 Smart 20-Channel RS485 Relay Board with PLC IO Module Modbus for Multifunction Control
Regular price $49.99Regular priceUnit price / per$49.99Sale price $49.99 -
R221A08 8CH 12V RS232 Serial port Relay Module Switch Board for PLC Lamp LED Smart home
Regular price $14.99Regular priceUnit price / per$32.97Sale price $14.99Sale -
R227A01 2 IN 1 RS232 & TTL232 Serial Port Relay PC USB MCU PLC UART Switch Module Board
Regular price $4.99Regular priceUnit price / per$13.48Sale price $4.99Sale -
R221A02 DB9 Female/Male RS232 UART Switch Board DC 12V COM Serial port Relay Module PLC
Regular price $5.99Regular priceUnit price / per$13.48Sale price $5.99Sale -
R413E16 RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
Regular price From $2.99Regular priceUnit price / per$7.59Sale price From $2.99Sale -
UD23A08 USB TTL232 UART PC MCU COM Relay CH340 WIN10 Linux MAC 8ch DC 5V 12V 24V
Regular price From $1.99Regular priceUnit price / per$1.99Sale price From $1.99 -
R223C16 16 channels 12V RS232 Serial Port DB9 Relay Board UART LED Motor Smart Switch Module
Regular price $27.99Regular priceUnit price / per$50.98Sale price $27.99Sale -
UD74B08 DC 12V 24V 8ch IO Digital Collector USB COM Serial Port UART Relay
Regular price From $1.99Regular priceUnit price / per$1.99Sale price From $1.99 -
TB412 White Plastic case ABS Material Shell Junction Box for RS485 RS232 Wifi Bluetooth-compatible Relay Motor Controller
Regular price $3.99Regular priceUnit price / per$3.99Sale price $3.99 -
R421A08 8 Channel DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch for PLC PTZ Camera Security Monitoring
Regular price $15.99Regular priceUnit price / per$15.99Sale price $15.99 -
UD24B01 N229E01 TYPE-C USB Relay Module DC 5V 12V PC UART Serial Port RS232(TTL) Switch Board for Arduiuo MEGA
Regular price From $3.49Regular priceUnit price / per$2.60Sale price From $3.49 -
UD67A01 3 in 1 USB TO RS232 TTL232 Pro Mini Download cable Serial ports CH340 Converter Board Industrial grade IC SP232
Regular price $3.99Regular priceUnit price / per$3.99Sale price $3.99 -
TB413 Black Plastic case ABS Material Shell Junction Box for RS485 RS232 Wifi Relay Motor Controller Electronic Modules
Regular price $3.99Regular priceUnit price / per$3.99Sale price $3.99 -
R444A01 DC 5V 12V 24V Digital display Modbus RTU RS485 Temperature humidity sensor Module AM2320 replace DHT11 DHT22 DS18B20 PT100
Regular price $13.99Regular priceUnit price / per$13.99Sale price $13.99 -
RYR432D Easy to Install DIN Rail Box DIP Switch Setup Parameters DC 12V 24V 20A 32CH Modbus RTU RS485 Relay Module RYR432D
Regular price From $41.99Regular priceUnit price / per$55.62Sale price From $41.99Sale -
R2OPB03 RS485 to RS232 Isolator Converter Serial Port Printer Networking Module PC STM32 MCU Development Board Debugger
Regular price $12.99Regular priceUnit price / per$15.54Sale price $12.99Sale -
R4D5E32 32Ch DC 12V 24V 20A High Current Ethernet/RS485 Relay Module RJ45 Network Port TCP/IP Modbus RTU Board
Regular price From $94.48Regular priceUnit price / per$94.48Sale price From $94.48 -
R4D8A08 DC 12V 8 Ch RS485 Relay Board Modbus RTU UART Remote Control Switch DIN35 Rail Box for PLC Automation control
Regular price From $17.99Regular priceUnit price / per$10.98Sale price From $17.99 -
R4DIF08 8 Digital Switch RS485 Acquisition Board TTL LvTTL CMOS IO for PLC Expand Relay Industrial automation
Regular price $3.89Regular priceUnit price / per$3.89Sale price $3.89 -
SGIOB08 8Ch DC 7-30V Safety Barrier Shell RS485 Digital Optocoupler Input Darlington tube Output Module MODBUS RTU PLC Expansion Board
Regular price $26.99Regular priceUnit price / per$33.05Sale price $26.99Sale























