PCF8575 REMOTE 16 BITS I2C IIC SMBUS I/O EXPANDER MODULE
Smartiphi product

PCF8575 REMOTE 16 BITS I2C IIC SMBUS I/O EXPANDER MODULE

Part of Smartiphi's Development Boards catalog for electronics projects, labs, classrooms, prototypes and DIY builds.

In stock Development Boards
344 449 (inc. GST)

In stock

PCF8575 Remote 16 Bits I2C IIC SMBus I/O Expander Module with Interrupt Output For arduino R3 Control Relay/buzzer/LED

Ask compatibility Continue shopping
Category: Support: Phone and email help available before and after purchase. Development Boards

Why buy from Smartiphi

Project fit helpAsk if this part matches your board, kit, module, power supply or classroom build.
Development BoardsExplore nearby parts across Development Boards before finalizing your basket.
Bulk and lab ordersShare quantity, GST invoice and delivery requirements before placing larger orders.
Secure checkoutCart, checkout and account pages stay on the full WooCommerce order flow.

Before you add it to a project

Use these checks to decide whether this part fits the board, power setup, enclosure and quantity you are planning.

Compatibility checkConfirm processor family, input voltage, IO pins, programming method and module compatibility for your intended project.
Project basketPair it with supporting boards, wiring, power, tools and related Development Boards parts where needed.
Fulfillment noteThis item is available for ordering. Final delivery timing, taxes and address-specific charges are confirmed during checkout.
Support pathFor classroom, lab or bulk use, share the product URL, quantity and target project with Smartiphi support.

Product details

Product familyDevelopment Boards
Stock signalIn stock
Order typeDirect product order

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

 

Features:

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

Package Includes:

  • 1 x Expander Module
Not sure this is the right part?

Send Smartiphi the product URL, target board, quantity and project use case. Support can help with compatibility, stock, bulk buying and delivery questions.