C51 Microcontroller Module Electronic Building Blocks 74HC595 Serial in and Out IO Port Expansion Output LED Control

C51 MCU module electronic bricks 74HC595 Serial in and out I/O port extended output LED control

C51 MCU Module Electronic Bricks 74HC595 Serial in and Out I/O Port Extended Output LED Control

C51 MCU Module Electronic Bricks 74HC595 Serial in and Out I/O Port Extended Output LED Control

8-in-8-out MODBUS expansion module transistor output serial port IO control card industrial automation equipment

8-in-8-out computer serial port PC relay IO control expansion module normally open output NPN switching value signal

C51 Single Chip Microcomputer Module 74HC165 Parallel Input Serial Output IO Expansion Input Multiplexer

8-in 8-out Computer Serial Port PC Relay IO Control Expansion Module Normally Open Output NPN Switch Signal

Modbus Analog Signal Acquisition Input/output 4-20mA 0-10v to 485 Module 232 Serial Port PLC Expansion IO

MODBUS RTU 32-channel Transistor Output Remote IO Expansion Module RS232 Serial Port RS485 Communication

16-channel serial port relay output module control board CAN communication IO expansion modbus RTU protocol

4 Output 4 Switch Input USB/TTL Communication Android Motherboard IO Expansion Serial Port Expansion

32 Channel RS485 RS232 IO Expansion Module Relay Output Serial Port Development board

1~50Pcs Microcontroller RDM6300 ID Card Reader Module RFID RF Module UART Serial Port Output

Modbus RTU Relay Expansion RS485 Input and Output Expansion Serial IO Module PLC IO Expansion

Serial Port Switching Value Input and Output IO Expansion Module Serial Port IO Module to Serial Port Modbus Protocol

Modbus RTU Relay Expansion RS485 Input and Output Expansion Serial IO Module PLC IO Expansion

8AI Differential Voltage Distributed Remote IO Module Expansion Module CDEBYTE GXGXX0800 Modbus TCP/RTU Virtual Serial Port

New High-speed counting module analog input and output module wireless serial controller switch io expansion module

12V 5V VCC Output USB to RS485 RS232 TTL Converter UART PC COM Serial Port Module for PLC IO HMI MCU PTZ Smart Home Debugging

Serial port debugging expansion board TTL to USB CP2104 UART microcontroller serial port communication

RTU Relay Expansion RS485 Input and Output Expansion Serial IO Module PLC IO Expansion

12VDC 2ch RS485 Modbus RTU Relay Module UART Serial Port Switch PLC Digital Output Expansion Board Motor FW & BW Controler

MCP23017-E I2C Interface 16-ch IO Input/Output Expansion Board with Pin Header

AMVOL08 8 Channel Analog Output 0-10V 0-5V AO Module RS485 Modbus RTU To Voltage PLC Remote IO Expansion Board

8/16/32 DI-DO Modbus DMOS PNP Output & NPN/PNP Input Module PLC RS485 Remote IO Expansion Board

8/16/32 DI-DO Modbus DMOS PNP Output & NPN/PNP Input Module PLC RS485 Remote IO Expansion Board

AMVOL08 8 Channel Analog Output 0-10V 0-5V AO Module RS485 Modbus RTU To Voltage PLC Remote IO Expansion Board

AMVOL08 8 Channel Analog Output 0-10V 0-5V AO Module RS485 Modbus RTU To Voltage PLC Remote IO Expansion Board

AMVOL08 8 Channel Analog Output 0-10V 0-5V AO Module RS485 Modbus RTU To Voltage PLC Remote IO Expansion Board

2PCS 32CH NPN/PNP Optically Isolated Input & 32CH 300MA NPN Solid State Relay Output RS485 Modbus RTU PLC IO Expansion Board

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