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PCF8574 IO Expander I2C Module

K-TECHNICS
Out of stock
KSh400.00

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Key Features:

  • Expands GPIO using I2C interface (SDA/SCL)
  • 8-bit quasi-bidirectional I/O pins
  • Multiple modules can be used on the same I2C bus
  • Built-in address selection pins (A0–A2)
  • Low power consumption design
  • Compatible with 3.3V and 5V systems (depending on board variant)

Technical Details:

  • IC: PCF8574
  • Communication: I2C bus
  • I/O Pins: 8 digital channels
  • Default I2C address: Configurable via A0, A1, A2
  • Operating voltage: Typically 2.5V – 6V
  • Interface pins: SDA, SCL, VCC, GND

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