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I2C To IO Port Module / MCP23017 Serial Interface Bidirectional 16-Bit I/O Port Expansion Board IIC
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MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins, For Arduino / Raspberry Pi / STM32
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PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
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PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
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MCP23017 Serial Interface Module IIC I2C SPI MCP23S17 Bidirectional 16-Bit I/O Expander Pins 10Mhz
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PCF8575 (i2c 16 Pins Digital I/O Expander) Fast Easy Usage (Arduino, Esp8266 and Esp32)
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Shop i2c i/o expander 16-bit

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$3.82
$7.48
I2C To IO Port Module / MCP23017 Serial Interface Bidirectional 16-Bit I/O Port Expansion Board IIC
AliExpress
48% off
$3.82
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I2C To IO Port Module / MCP23017 Serial Interface Bidirectional 16-Bit I/O Port Expansion Board IIC
AliExpress
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I2C To IO Port Module / MCP23017 Serial Interface Bidirectional 16-Bit I/O Port Expansion Board IIC
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MCP23017 Serial Interface Module IIC I2C SPI Bidirectional 16-Bit I/O Expander Pins 10Mhz Serial
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PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
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PCF8575 I2C I/O Extension Shield Module 16 I/O Ports
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MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins, For Arduino / Raspberry Pi / STM32
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PCF8575 I2C GPIO Expander Module - 16-Channel Bidirectional I/O Port Extender For Arduino, Raspberry
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I2C To IO Port Module MCP23017 Serial Interface 16-Bit I/O Port Expander I2C IIC Serial Port
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PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
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Texas Instruments PCF8574N IC I/O EXPANDER I2C 8B 16DIP
DigiKey
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Texas Instruments PCF8574N IC I/O EXPANDER I2C 8B 16DIP
DigiKey