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PCF8574 module to expand the number of I/O ports 8-channel I2C expander

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Price: €1.70
incl. 23% TAX, excl. shipping costs
1.70
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Vendor: OEM

Description

Introducing the PCF8574 I/O port expander module, ideal for expanding the number of I/O ports on your microcontroller. Thanks to its wide supply voltage range, this module works with both Raspberry Pi, STM32 (3.3V) and Arduino (5V), making it an extremely versatile tool for electronic projects.

Technical specifications:

  • Expander chip: PCF8574
  • Number of I/O ports: 8 channels
  • Supply voltage: 2.5 ÷ 5 V
  • Communication: I2C
  • Input port interrupts: yes
  • Configurable I2C address: 8 possibilities (change the 3 youngest bits of the address)
  • Jumpers for changing the address on the I2C bus
  • Serial connectivity of additional modules (Daisy Chain): Yes, up to 8 modules can be connected, yielding a total of 64 additional I/Os

The PCF8574 module is extremely easy to use and ideal for projects requiring additional I/O ports. The ability to configure the I2C address and connect modules serially makes it a scalable and flexible solution, perfect for a variety of applications.

The kit includes:

  • PCF8574 expander module
  • I2C address change jumpers

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