PCF8575 Remote 16 Bits I2C IIC SMBus I/O Expander Module

Original price was: ₹340.00.Current price is: ₹320.00.

  1. Item Type: PCF8575
  2. Operating voltage: 2.5-5.5VDC
  3. Operating current: 100mA (max)
  4. I2C address: 0x20 (default), can be changed by soldering A1 and selection pads A2.

Out of stock

SKU: RK009096 Categories: ,


Are the I/O pins exhausted? This large module allows the user to expand up to 16 i/o with only two i/o for control. The PCF8575 is connected via an I2C interface and features 16-bit near-bi-directional input/output pins.
Onboard 3.3V level converter circuit, if you don’t have a solder pad of VCC-VDD, the PCF8575 level is 3.3V. If you solder it, the level will be the same as with VCC


  1. 16 individually addressable pins.
  2. Each pin configurable for input or output
  3. Open drain interrupts output pin for input change interrupt.
  4. Ideal for R3 and other MCUs to simple relay, buzzer, button, led.

Package Includes:

1 x Expander Module


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