ملحق زيادة مخارج الأردوينو PCA8574 I2C IO 8-bit

ملحق زيادة مخارج الأردوينو PCA8574 I2C IO 8-bit
Item specifics
  • Brand Name:RobotDyn
  • Type:Logic ICs
  • Condition:New
  • Model Number:Mod-I2C-expand-PCA8574AD
  • Application:Logic
  • IC expander:PCA8574AD
  • I/O expand:8 pins
  • Addresses :0x38-0x3F
Product Description

Product official page:

http://robotdyn.com/~zIuaM - International

http://robotdyn.ru/~zIuaM  - Russian

* For get a detail information of product, instruction, guide and software, Pls visit to official page of product.

 

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.

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