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$1.81
PCF8575 I2C GPIO Expander Module - 16-Channel Bidirectional I/O Port Extender For Arduino, Raspberry
AliExpress
$1.81
PCF8575 I2C GPIO Expander Module - 16-Channel Bidirectional I/O Port Extender For Arduino, Raspberry
AliExpress
$0.90
$1.02
TZT PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
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