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XICOOLEE CAT9555 IO Expansion Module Board I2C Interface, Smbus I/O Port, 16 Bit Parallel GPIO Expander, With Pre-Soldered Header
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1-50PCS PCF8574 I2C 8-Channel GPIO Expander Module - 8-Bit I/O Extender For Arduino ESP32
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Watangtech MCP23017 I/O Expander Module - 16 GPIO Pins, I2C Interface, Onboard 3-Digit DIP Switch - Compatible With Raspberry Pi, Arduino, STM32 (3.3V
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Watangtech MCP23017 I/O Expander Module - 16 GPIO Pins, I2C Interface, Onboard 3-Digit DIP Switch - Compatible With Raspberry Pi, Arduino, STM32 (3.3V
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CAN-BUS Shield V2 Bus Expansion Board Module IIC I2C And UART For Arduino
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TCA9548A I2C IIC Multiplexer Breakout Board 8 Channel Expansion Board For Arduino 5/10PCS
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PCF8574 I2C I/O Expander Module: IO Expansion Board For Development & Evaluation
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PCF8574 I2C I/O Expander Module: IO Expansion Board For Development & Evaluation
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PCF8574 I2C Interface 8Bit IO MCU Expansion Board I/O Expander I2C Bus Evaluation Development Module
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AITRIP 12PCS TCA9548A I2C IIC Multiplexer Breakout Board Module 8 Channel Expansion Development Board For Arduino
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AITRIP 12PCS TCA9548A I2C IIC Multiplexer Breakout Board Module 8 Channel Expansion Development Board For Arduino
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PCF8574 I2C Interface 8Bit IO MCU Expansion Board I/O Expander I2C Bus Evaluation Development Module
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PCF8574 I2C Interface 8Bit IO MCU Expansion Board I/O Expander I2C Bus Evaluation Development Module
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PCF8574 I2C Interface 8Bit IO MCU Expansion Board I/O Expander I2C Bus Evaluation Development Module
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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
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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
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1-10Pcs PCF8574 IO Expansion Board 8 I/O I/O Expander Flexible I2C-Bus Evaluation Development Module
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1-10Pcs PCF8574 IO Expansion Board 8 I/O I/O Expander Flexible I2C-Bus Evaluation Development Module
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1PCS PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module
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I2c port Extender - controlling with Arduino
I2c port Extender - controlling with Arduino
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Use the IO Expander and Relay Expander to control up to 65,280 relays with your Arduino: https://bit.ly/2GxidCV | Hackster.io
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Shop arduino i2c expander

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$2.42
$4.84
1PCS PCF8575 IO Expander Module - I2C To 16IO Conversion, For Arduino
Aliexpress
50% off
$2.42
$4.84
1PCS PCF8575 IO Expander Module - I2C To 16IO Conversion, For Arduino
Aliexpress
$2.20
$2.21
PCF8574T I2C IO Expander Module - Cascading Interface Board For Arduino/Raspberry Pi
Aliexpress
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PCF8574T I2C IO Expander Module - Cascading Interface Board For Arduino/Raspberry Pi
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1PCS PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
Aliexpress
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1PCS PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
Aliexpress
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PCF8575 IO Expander Module I2C To 16 IO Integrated Circuits For Arduino
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XICOOLEE CAT9555 IO Expansion Module Board I2C Interface, Smbus I/O Port, 16 Bit Parallel GPIO Expander, With Pre-Soldered Header
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XICOOLEE CAT9555 IO Expansion Module Board I2C Interface, Smbus I/O Port, 16 Bit Parallel GPIO Expander, With Pre-Soldered Header
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1-10Pcs Stuks Egbo Pcf8575 Io Expander Module I2c To 16Io Integrated Circuits For Arduino
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1-50PCS PCF8574 I2C 8-Channel GPIO Expander Module - 8-Bit I/O Extender For Arduino ESP32
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Watangtech MCP23017 I/O Expander Module - 16 GPIO Pins, I2C Interface, Onboard 3-Digit DIP Switch - Compatible With Raspberry Pi, Arduino, STM32 (3.3V
Amazon.com
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Watangtech MCP23017 I/O Expander Module - 16 GPIO Pins, I2C Interface, Onboard 3-Digit DIP Switch - Compatible With Raspberry Pi, Arduino, STM32 (3.3V
Amazon.com
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CAN-BUS Shield V2 Bus Expansion Board Module IIC I2C And UART For Arduino
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TCA9548A I2C IIC Multiplexer Breakout Board 8 Channel Expansion Board For Arduino 5/10PCS
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TCA9548A I2C IIC Multiplexer Breakout Board 8 Channel Expansion Board For Arduino 5/10PCS
Aliexpress
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Seeed CAN-BUS Shield V2 Bus Expansion Board IIC I2C And UART For Arduino Mega2560 R3 UNO Mcp2515
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AITRIP 12PCS TCA9548A I2C IIC Multiplexer Breakout Board Module 8 Channel Expansion Development Board For Arduino
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