SparkFun I2C to GPIO Board - Qwiic Ready

The Qwiic GPIO is an I2C device which adds an additional four IO pins which you can read and write just like any other digital pin on your controller. The details of the I2C interface have been taken care of for you so you can call functions similar to Arduino's pinMode and digitalWrite, allowing you to focus on your creation.

This version of Qwiic GPIO features easy-to-use latch terminals; never screw another wire into place. The terminals are relatively roomy themselves, so feel free to latch multiple wires into the ground or power terminal.

SPX-16406-003

The Qwiic GPIO comes with three customizable address jumpers allowing for up to eight Qwiic GPIO boards to be connected on a single bus allowing upwards of 32 additional GPIO pins. The default I2C is 0x27 and can be changed by cutting the traces on the back of the board.

The Qwiic GPIO uses the simple Qwiic interface, so it requires no voltage translation, no figuring out which pin is SDA or SCL, just plug it in and go.

Quick Spec

  • Chip: TCA9534
  • I2C to Parallel Port Extender
  • Operating power Suplly: 1.65V ~ 5.5V
  • Low Standby Current Consumption
  • 5-V Tolerant I/O Ports
  • 400kHz Fast I2C Bus
  • 3 Hardware Address Pins Allows up to 8 Devices on the I2C/SMBus
  • Input and Output Configuration Register
  • Default Address: 0x27
  • Weight: 14g

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  • 1 x SparkFun I2C to GPIO Board - Qwiic Ready


SparkFun I2C to GPIO Board - Qwiic Ready

  • Brand: Sparkfun
  • Product Code: SPX-16406
  • Stock

    Warehouse Stock Status Location
    Centurion In Stock D5
    Stellenbosch In Stock C0065
  • R225.00 (Inc Tax: R258.75)


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Tags: sparkfun, i2c, gpio, i2c to gpio, qwiic, expander, 8 channel, 8 way, tca9534, io expander, io