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

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 switching value signal

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

32CH RS485 IO Master-Slave Remote Control Switch Board NPN/PNP Isolation Input 300MA MOS Output Modbus RTU PLC Expansion Module

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

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

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

32CH RS485 IO Master-Slave Remote Control Switch Board NPN/PNP Isolation Input 300MA MOS Output Modbus RTU PLC Expansion Module

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

DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO Expansion Board Modbus RTU Module

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

32-channel transistor output module DO 485 to switch output IO serial port relay module MODBUS

RTU protocol RS485 remote IO data collection module PLC input and output expansion module

64DI-64DO 12V 24V RS485 Modbus RTU Isolate Communication PLC IO Expansion Board Digital Switch Quantity NPN Input Output Port

RTU protocol RS485 remote IO data collection module PLC input and output expansion module

Mini Size 32CH RS485 Relay Modbus Rtu PLC IO Expansion Module 2A Low Power Intermediate Relay Output Board DIN Rail DC 12V 24V

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

23IOD32 32CH PNP with Box Optically Isolated Input 300MA NPN Solid State Relay Output RS485 Modbus RTU PLC IO Expansion Board

Mini Size 32CH RS485 Relay Modbus Rtu PLC IO Expansion Module 2A Low Power Intermediate Relay Output Board DIN Rail DC 12V 24V

32CH DI-DO NPN PNP Optically Isolated Input 300MA Solid State Relay Output RS485 Modbus RTU PLC IO Expansion Board 23IOD32

8VO RS485 to 0-10V/0-5V Voltage Output Modbus Rtu Text Editor HMI PLC Analog DAC IO Expansion Board

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