LAB1 TECH PCF8574 GPIO Extender I2C Module

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Expand your Arduino and ESP32 projects with the LAB1 TECH PCF8574 GPIO Extender. This versatile module allows you to add up to 8 digital inputs or outputs using just 2 I2C lines. Perfect for controlling LCDs, buttons, LEDs, and more, it seamlessly integrates with other I2C devices. With support for up to 64 I/O ports on a single bus, you can optimize your projects without sacrificing valuable pins. Enjoy efficiency and flexibility in your electronics projects with this essential add-on.

The LAB1 TECH PCF8574 GPIO Extender module is the perfect solution for those looking to enhance their microcontroller projects. By utilizing only two I2C lines, SDA and SCL, this module expands the digital input/output capabilities of devices like Arduino, ESP32, and Raspberry Pi. With its ability to convert parallel data (8 I/O) to I2C and vice versa, it supports a wide array of applications including LCD displays, buttons, matrix keyboards, LEDs, and relays. This extender module can accommodate up to 8 PCF8574 modules on a single I2C bus, resulting in a maximum of 64 inputs and outputs, all while consuming just 2 pins. The I2C address configuration is straightforward, making it easy to adjust using jumpers. The output type is set to latch, enabling the module to hold assigned values without constant refresh, thus minimizing processor load. This feature is particularly beneficial for controlling relays or LEDs. In addition, the module's inputs can be set to trigger an interrupt (INT), facilitating rapid response in real-time applications. The board features dimensions of 48x16x12 mm and is lightweight at only 5 grams, making it ideal for compact projects. Experience unparalleled versatility and functionality with the LAB1 TECH PCF8574 GPIO Extender in your next electronics endeavor.

Usage ideas Integrate with LCD displays for project visualization Control multiple LEDs using minimal pins Manage button inputs for user interaction Interface with relays for switching applications Combine with sensors to expand data reading capabilities

Frequently asked questions
Can this module convert SPI pins to I2C for a TFT display?: No, this module can't generate the necessary clock pulses for SPI. It only supports digital I/O.
Do you have just the IC available?: We do not sell the integrated circuit separately. Please note that any modifications will void the warranty.
What package type is used for the IC?: The IC is PCF8574T, housed in a SO16 package with a plastic small outline design.

- Brand: LAB1 TECH
- Condition: New
- Model: PCF8574
- SKU: PCF8574
- GTIN: Not registered
- Length: 48 mm
- Width: 16 mm
- Height: 12 mm
- Weight: 5 g
- Operating Voltage: 5V
- Microcontroller: PCF8574
- Maximum Input Voltage: 5.5V
- Recommended Input Voltage: 5V
- Number of Digital I/O Pins: 8

Vendor listing title: Modulo Expansion Pcf8574 Io Gpio Extender I2c Arduino Esp32