PCF8574 I2C Interface 8bit IO MCU Expansion Board I/O Expander I2C Bus Bewertung Development Module AVR STM8 C8051F für Arduino - AliExpress
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Youmile 5PACK RTC I2C Modul Arduino I2C RTC DS1307 AT24C32 Echtzeituhr Modul 24C32 Speicher Hohe Präzision Für AVR ARM PIC SMD Kompatibel Mit Arduino Mit 60 Pin : Amazon.de: Gewerbe, Industrie &
PCF8574 I2C Interface 8-bit IO MCU Expansion Board I/O Expander I2C Bus Bewertung Development Module AVR STM8 C8051F - AliExpress