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Gravity MCP23017 I2C 16 Digital IO Expansion Modul

Dies ist ein IO-Erweiterungsmodul, das auf dem Chip MCP23017 basiert. Das Modul kann bis zu 16 IOs erweitern. Es können 8 verschiedene I2C-Adressen einstellet werden. Das heisst, von diesem Modul kannst du bis zu 8 Stück an den Mikrocontroller anschliessen und so auf maximal 128 IOs erweitern. Das Modul hat 2 Gruppen von IO Pins, GPIOA und GPIOB. Jede Gruppe hat 8 unabhängige IO-Schnittstellen, und jede IO-Schnittstelle kann als Eingang, Ausgang, Pull-up-Eingang (100KΩ Pull-up-Widerstand), Interrupt usw. eingestellt werden. Ausserdem verfügt das Modul über 2 Interrupt Pins, IA und IB. IA wird verwendet, um die Unterbrechung der IO-Schnittstellen von GPIOA zu erkennen, und IB wird verwendet, um die Unterbrechung der IO-Schnittstellen von GPIOB zu erkennen. Wenn ein Pin von GPIOA oder GPIOB den Zustand ändert, erzeugt der entsprechende IA oder IB ein High-Level-Signal


Eigenschaften: 

  • Bis zu 128 I/O erweiterbar 
  • Kompatibel mit 3.3V als auch mit 5V 
  • Wechselbare I2C-Adresse durch Wahlschalter 
  • Mehrere VCC und GND Pins

Dokumentation: 


Technische Details: 

  • Hersteller: DFRobot 
  • Hersteller SKU: DFR0626 
  • Betriebsspannung: 3.3-5.5V 
  • I2C Adresse : 0x20-0x27 
  • Digitaler Input/Output : 20mA 
  • Interrupt Pin: IA, IB 
  • Abmessung: 44 x 32 x 11mm 
  • Gewicht: 18g 

Lieferumfang: 

  • 1x Gravity MCP23017 I2C 16 Digital IO Expansion Modul 
  • 1x Gravity-4p I2C/UART Kabel


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Gravity MCP23017 I2C 16 Digital IO Expansion Modul

  • Hersteller DFRobot
  • Artikelnr. 421866
  • Verfügbarkeit Lagernd
  • CHF8,90

  • Netto CHF8,23

Schnellsuche MCP23017, IO, Expansion, Erweiterung, Modul, Gravity, I2C, Portexpander, Porterweiterung