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      Arduino Opta Lite [AFX00003] - Compact Industrial Iot Controller With Digital I/O, Analog Inputs, Modbus Support, And Edge Computing For Automation &
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      Arduino Opta Lite [AFX00003] - Com…
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      Amazon.com
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      Lynxmotion SES-V2 Arduino Compatible IO Board For LSS (LSS-2IO)
      Lynxmotion SES-V2 Arduino Compati…
      G
      Google RobotShop Merchant Center
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      Arduino Opta Wifi [AFX00002] - Industrial Iot Controller With Wi-Fi Connectivity, Digital I/O, Analog Inputs, And Modbus Support For Automation And C
      Arduino Opta Wifi [AFX00002] - Indus…
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      Amazon
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      Arduino Due - 32-Bit ARM Microcontroller, 54 I/O Pins, 12 Analog Inputs | Arduino
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      Arduino Due - 32-Bit ARM Microcontr…
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      Electromaker
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      PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
      SALE
      PCF8575 IO Expander Module I2C T…
      $1.19
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      AliExpress
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      AW9523B IO Expansion Board For Raspberry Pi, Arduino, STM32, I2C Bus, Expands 16 I/O Pins, Allows Using 4 Expansion Boards At The Same Time By Modify
      AW9523B IO Expansion Board For Ra…
      A
      Amazon.com
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      DIY NANO IO Shield V1.O Expansion …
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      Alexnld.com
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      NANO I/O IO Expansion Sensor Shiel…
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      US eBay
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      1PCS PCF8575 IO Expander Module I…
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      AliExpress
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      Expansion Board I2C Communicatio…
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      Amazon.com
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      PCF8574 PCF8574T Module IO Exte…
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      Pricetug
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      NANO I/O IO Expansion Sensor Shiel…
      Aliexpress
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      IO Expansion Shield V1.2 For Arduino
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      Google RobotShop Merchant Center
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      Treedix 5PCS IO Expansion Module I/…
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      Amazon.com
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      IO Expander Module I2C To 16IO Inte…
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      Alibaba.com
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      Nano I/O Io Expansion Sensor Shield …
      $22.92
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      cartnear
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      NANO I/O IO Expansion Sensor Shiel…
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      USA_AliEx
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      Arduino Funnel I/O (FIO), .3V/8Mhz
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      MicroController Pros Corp.
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      For Arduino Plus Sensor I/O Shield At…
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      Amazon.com
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      Expansion Terminal Adapter Control …
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      Amazon.com
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      ATMEGA328P NANO IO Shield And U…
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      AliExpress
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      XICOOLEE MCP23017 IO Expansion …
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      Amazon.com
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      3.3V Expansion Prototype Shield I/O I…
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      Amazon.com
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      Arduino Due [A000056] - 32-Bit ARM …
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      Amazon.com
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      PLC IO Analog Expansion Board For …
      $11.78
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      AliExpress
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      MCP23017 IO Expansion Board I2C I…
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      Aliexpress
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      IO Shield V1.O Expansion Board Ter…
      Aliexpress
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      Mcp23017 16 Bit Io Port Expander M…
      $22.92
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      cartnear
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      8AI-8DI-8DO Multifunction IO Expand…
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      AliExpress
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      MCP23017 I/O Expansion Module Su…
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      Alexnld.com
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      The ATMEGA328P Development Boa…
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      Alibaba.com
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      AITRIP 10Pcs PCF8574 IO Expansio…
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      Amazon
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      Keyestudio NANO V3.0 Shield IO Ext…
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      AliExpress
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      NANO I/O IO Expansion Sensor Shiel…
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      Alibaba.com
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      Arduino Nano 33 Iot With Headers A…
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      AliExpress
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      PCF8575 I2C IO Expander Module - 1…
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      AliExpress
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