PCF8574T I2C IIC I/O Extension Expansion Board
The PCF8574 IO Expansion Board features an I2C pin-header on one side, and an I2C connector on the opposite side. Hence, it’s more flexible to connect the board to your development system. The board also supports I2C cascading, allowing the use of multiple modules connected to the I2C bus at the same time by connecting the pin header and connector.
PCF8574T I2C IIC I/O Extension Expansion Board
Available:In Stock
- Product SKU: KG518
₹ 269
₹ 279
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Warehouse Details


Specification
Description
PCF8574T I2C I/O Extension Board
The PCF8574 IO Expansion Board is used as a remote 8-bit I/O expander for I2C-bus. Up to 8 PCF8574, the IO Expansion Board can be connected to the I2C-bus, providing up to 64 I/O ports.The PCF8574 IO Expansion Board features an I2C pin-header on one side, and an I2C connector on the opposite side. Hence, it’s more flexible to connect the board to your development system. The board also supports I2C cascading, allowing the use of multiple modules connected to the I2C bus at the same time by connecting the pin header and connector.
Technical Details
- Operating Voltage: 3.3V to 5V
- Interface: I2C
- Ports: 8-bit parallel
- Dimensions: 48 x 16 x 15 mm
- Weight: 5g
Features
- Based on PCF8574 chip
- I2C interface
- 8-bit parallel port
- Compatible with Arduino & Raspberry Pi
Applications :
- Expanding GPIO for microcontrollers (Arduino, Raspberry Pi, ESP32).
- Driving multiple LEDs, relays, or buzzers.
- Interfacing with keypads and button matrices.
- Controlling LCD displays and segment displays.
- I2C-based industrial automation and control.
- Home automation and smart devices.
- Reading multiple sensor inputs with fewer pins.
Physical Attributes
- L x W x H (mm): 48 x 16 x 15
- Weight (gm) : 5
Package Includes
- 1 x PCF8574T I2C IIC I/O Extension Expansion Board