PCF8574AN Texas Instruments E/A-Expander IC GPIO PCF8574 8574 - Nos Menge 1 | eBay
I2C connection with PCF8574 (Remote 8-Bit I/O Expander) to drive LED - Arm-based microcontrollers forum - Arm-based microcontrollers - TI E2E support forums
Ao PCF8574 PCF8574T I2C 8 Bit IO GPIO e & R~*IS1US US $0.99 santamargarita.edu.pe
Adafruit MCP23017 I2C GPIO... kaufen bei BerryBase