With Font Library, Electronic Scale, Queuing Machine, PLC MODBUS, Serial Port, 485 Port, Secondary Development, LED Control Card

2 Channel RS485 Relay Board UART Serial Port Switch Module Modbus Remote Control for PLC Smart Home DC12V

1Channel RS485 MODBUS RTU Serial Port Multi-function Relay Module PLC Controller for Smart Home 12V DC

RDA5981 Serial Port WIFI Wireless Transparent Transmission Module HLK-M50 Secondary Development Voice Remote Control Mod

N428E02 DC 12V 2CH RS485 Modbus RTU Relay Module UART Serial Port Switch PLC Digital Output Expansion Module Board

12V 8CH RS485 Relay Modbus RTU Protocol Serial Port Remote Control Switch for PLC Control Board

8 Channel DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch For PLC PTZ Camera Security Monitoring

ET69C02 DC 12V RS485 Modbus RTU TCP to Ethernet Network UDP TCP Client Server MQTT Converter Serial Port Server for PLC

12V 32CH Channel RS485 Relay Modbus RTU Protocol Serial Remote Control Switch PLC Control Board

433-458MHz UHF DTU RS485 Bus RF Serial Port UART Transceiver Module for Smart Meter PTZ Camera PLC Modbus

RT38B01 433-458Mhz UHF DTU RS485 BUS RF Serial Port Uart Transceiver Module for Smart Meter PTZ Camera PLC Modbus

ADM-5850G Industrial Modbus gateway server, MODBUS RTU/ASCII to TCP, support PLC serial port

KING PIGEON D224 Serial Server 485/232/TTL to TCP/IP Serial PLC Remote Monitoring Download Converter

ESP32-CAM WiFi + bluetooth Development Board ESP32 with FT232RL FTDI USB to TTL Serial Converter 40 Pin Jumper

ESTINK PLC Communication LED Display PLC Display LED Serial Port Meter Communication 4‑Digit DC5‑36V For MODBUS‑RTU RS485

Floor Heating & Fan Coil for 2 Pipe System Thermostat WIFI/485 Modbus Intelligent Thermostat with Application & Voice Control 3.2Inch LCD Display Programmable Thermostat

UNOR3 Improved Version Development Board LGT8F328P Module CH340 Serial Port Bluetooth Motherboard

Floor Heating & Fan Coil for 2 Pipe System Thermostat WIFI/485 Modbus Intelligent Thermostat with Application & Voice Control 3.2Inch LCD Display Programmable Thermostat

Smart Fan Coil for 2 Pipe System Thermostat WIFI/485 Modbus with Application & Voice Control 3.5 Inch LCD Display Intelligent Programmable Thermostat Child Lock Weather Forecast

Tickas 8CH RS485 Relay Modbus RTU Protocol Serial Port Remote Control Switch for PLC Control Board

Smart Fan Coil for 2 Pipe System Thermostat WIFI/485 Modbus with Application & Voice Control 3.5 Inch LCD Display Intelligent Programmable Thermostat Child Lock Weather Forecast

RDA5981 Serial Port WIFI Wireless Transparent Transmission Module HLK-M50 Secondary Development Voice Remote Control Module

8 Channel DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch For PLC PTZ Camera Security Monitoring

12V 32CH Channel RS485 Relay Modbus RTU Protocol Serial Remote Control Switch PLC Control Board

E3000Y 2D scan Engine Serial Port Command Manual For Scan module Embedded Engine Koisk Device Support Secondary Development

E3000Y 2D scan Engine Serial Port Command Manual For Scan module Embedded Engine Koisk Device Support Secondary Development

ESP32-CAM-MB-WiFi MICRO USB ESP32 Serial to WiFi ESP32 CAM Development Board CH340G 5V Bluetooth+OV2640 Camera+2.4G Ante

Waveshare Industrial Grade Serial Server RS232/485 to WiFi / Ethernet RJ45 Network Port

Embedded Mini panel Thermal Printer with Serial RS-232 TTL 485 Parallel USB interface WH-E55

E831-RTU(8080T-485) Ebyte 16-channel IO Controller Industrial Iot Data Acquisition Device DAQ RS485 Modbus RTU Transceiver

Dtech Best Price USB2.0 to serial RS422/485 Cable 1.2M