PCF8574-IO-Expansion-Board-I-O-Expander-I2C-Bus-Development-board BRD55
The PCF8574-IO-Expansion-Board (BRD55) is a development board that enables the expansion of digital I/O pins using the I2C bus communication protocol. It features 8 open-drain I/O pins, operates on 5V power supply and has a temperature range of -40°C to +85°C. This board is an ideal solution for microcontroller projects requiring additional inputs and outputs.
Description
The PCF8574-IO-Expansion-Board is a development board that allows for the expansion of the number of inputs and outputs (I/O) available on a microcontroller. It uses the I2C bus communication protocol and the PCF8574 I/O expander IC to achieve this expansion. The board supports up to 8 digital I/O pins, which can be used for various applications such as controlling LEDs, reading switches, and more. The BRD55 code refers to the specific model of the expansion board.
Here are some of the specifications of the PCF8574-IO-Expansion-Board (BRD55):
- Communication Protocol: I2C bus
- Expansion IC: PCF8574
- Digital I/O Pins: 8
- Operating Voltage: 5V
- Input Voltage Range: 2.5V to 6V
- Operating Temperature: -40°C to +85°C
- Input/Output Pin Configuration: Open-Drain
- Pin pitch: 2.54mm
- Dimensions: Approx. 45mm x 28mm





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