Extend Serial IO I/O Module Grove I2C Interface Expansion Board M5Stack® for Arduino - products that work with official

Description EXT IO is a GPIO Expander With simple I2C commands you can have up to 8 GPIOs Integrates PCA9554PW This 8 bit I O expander for the two line bidirectionalbus I2C is designed for 2 3 V to 5 5 V VCCOpen Drain Active Low Interrupt Output operation It provides general purpose remote I O expansion for most microcontroller families via the I2C interface IIC address 0x27 Its difficult to foresee the needs of your project from the start EXT IO is the perfect solution for expanding the number of IO It allows you to add new features logic timing and sensing to alrady highly integrated designs Product Features Expanded I O number 8GROVE interface support UIFlow and for Two Le go compatible holesProduct Size 32 2mm x 24 2mm x 11 3mmProduct weight 4 9gPackage Included 1x EXT IO Unit1x Grove CableRelated Link Offical VideoForumDatasheet PCA9554PWEasyLoaderclick to download EasyLoaderExample 1 forIDETo get the complete code please click here2 UIFlowTo get the complete code please click here PinMap M5Core GROVE A GPIO22GPIO215VGNDEXT IO UnitSCLSDA5VGND