PCA8574 I2C IO expansion board module, 8-bit IC PCA8574AD

3.79

489 in stock

SKU: 10370 Category:

Description

Description:

If you just don’t have enough digital I/O pins on your Arduino to interface with all your sensors and controls, you might want to look at using the I2C bus to connect a few port expander chip PCA8574AD have 8 digital I/O bits and can be set to addresses 0x38-0x3F respectively.
The I2C bus on the Arduino uses SCL, SDA, a couple of pull up resistors and the Wire library.
You can connect more expander module. More 8 modules. Just change adress of each module.
On back side of board have instruction.
If you need more connecting modules, pls cut off the connection of pull-up resistor on back side of board. Only 1 board need pull-up resistor.

Photo:

Mod-I2C-expand-PCA8547AD(angle)Mod-I2C-expand-PCA8547AD(front)

Documents

Documents (Instruction manuals, schematics, etc), links:

  • Robotdyn.com/Mod-I2C-expand-PCA8574AD-EN — International;
  • Robotdyn.ru/Mod-I2C-expand-PCA8574AD-RU — Russian.

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Additional information

Weight 17.0 g
Dimensions 8.0 × 5.0 × 1.0 cm
Brand Name

RobotDyn

Condition

New

Addresses

0x38-0x3F

Type

Logic ICs

IC expander

PCA8574AD

Model Number

Mod-I2C-expand-PCA8574AD

Application

Computer

I/O expand

8 pins

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