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10 Best io modules of 2026

Explore top picks
  • Best Choice

    1

    NI Usb-6009 Multifunctional Data Acquisition Module 779026-01 DAQ
    Kanonaki

    NI Usb-6009 Multifunctional Data Acquisition Module 779026-01 DAQ

    9.9
    Exceptional
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  • Value for Money

    2

    Siemens 6ED1052-1MD08-0BA0 LOGO! 12/24RCE, logic module, disp PS/I/O: 12/24VDC/relay, 8 DI (4AI)/4DO, memory 400 blocks, modular expandable, Ethernet
    SIEMENS

    Siemens 6ED1052-1MD08-0BA0 LOGO! 12/24RCE, logic module, disp PS/I/O: 12/24VDC/relay, 8 DI (4AI)/4DO, memory 400 blocks, modular expandable, Ethernet

    9.8
    Exceptional

  • 3

    4DI+4AI+4DO Remote IO Module RS485 Ethernet M31-AAAX4440G Analog Switch Acquisition Modbus TCP RTU Firmware Upgrade Host Max 16 Expansion Modules
    EBYTE

    4DI+4AI+4DO Remote IO Module RS485 Ethernet M31-AAAX4440G Analog Switch Acquisition Modbus TCP RTU Firmware Upgrade Host Max 16 Expansion Modules

    9.6
    Exceptional

  • 4

    QCCAN 4PCS PCF8575 IO Expander Module I2C to 16IO Integrated Circuits
    QCCAN

    QCCAN 4PCS PCF8575 IO Expander Module I2C to 16IO Integrated Circuits

    9.5
    Excellent

  • 5

    8DI+8DO Remote IO Module RS485 Ethernet RJ45 M31-AXAX8080G Analog Switch Acquisition Modbus TCP RTU Firmware Upgrade Host Max 16 Expansion Modules
    EBYTE

    8DI+8DO Remote IO Module RS485 Ethernet RJ45 M31-AXAX8080G Analog Switch Acquisition Modbus TCP RTU Firmware Upgrade Host Max 16 Expansion Modules

    9.4
    Excellent
  • See Today’s Deals & Prices

  • 6

    Pibiger JIO Module USB to IO Debug Module,USB to PWM ADC IO Tool, 12-bit ADC, 4-Channel IO, Windows Compatible,Comes with English User Manual,Software,CMD Command,Dll for C#,Python Development
    Pibiger

    Pibiger JIO Module USB to IO Debug Module,USB to PWM ADC IO Tool, 12-bit ADC, 4-Channel IO, Windows Compatible,Comes with English User Manual,Software,CMD Command,Dll for C#,Python Development

    9.3
    Excellent

  • 7

    Waveshare Compute Module 5 IO Board+Case, Compatible with All Variants of Raspberry Pi CM5, with PoE Feature, Bundle with Board+ Case+Power Supply
    waveshare

    Waveshare Compute Module 5 IO Board+Case, Compatible with All Variants of Raspberry Pi CM5, with PoE Feature, Bundle with Board+ Case+Power Supply

    9.2
    Excellent

  • 8

    MCP23017 I/O Expander Module - 16 GPIO Port Expander Breakout Board with I2C Interface, Dual Voltage 3.3V/5V Logic, Compatible with Raspberry Pi, Arduino, STM32 Boards
    WatangTech

    MCP23017 I/O Expander Module - 16 GPIO Port Expander Breakout Board with I2C Interface, Dual Voltage 3.3V/5V Logic, Compatible with Raspberry Pi, Arduino, STM32 Boards

    9.1
    Excellent

  • 9

    Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Allows 8 pcs Stacked and Used at The Same Time Allow Multi I2C Modules to be Stacked
    waveshare

    Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Allows 8 pcs Stacked and Used at The Same Time Allow Multi I2C Modules to be Stacked

    9.0
    Excellent

  • 10

    XYGStudy Compute Module 5 IO Board Development Platform and Reference Base-Board for Raspberry Pi CM5
    XYGStudy

    XYGStudy Compute Module 5 IO Board Development Platform and Reference Base-Board for Raspberry Pi CM5

    8.8
    Very Good