Last Modified : 2022-06-03
(U011)EXT.IO
Extend Serial I/O Unit (PCA9554PW)
- SKU : U011
- SHOP : https://shop.m5stack.com/products/official-extend-serial-i-o-unit?ref=langship (5% Off Coupon Code: LANGSHIP )
- Document : https://docs.m5stack.com/en/unit/extio
- Release Date(probably) : 2019-01-03
EXT.IO is a GPIO Expander. With simple I2C commands it’s possible to extend the GPIO pins for up to 8 extra GPIOs.
Variation
- (U011)Extend Serial I/O Unit - PCA9554PW
- (U011-B)Extend I/O Unit 2 - STM32F0
Datasheet
- PCA9554PW : PCA9554PW_en.pdf