Name: SparkFun Qwiic GPIO
Brand: SparkFun

Parts › Interface & Expansion › I/O Expanders & Multiplexers

DEV-17047 · SparkFunActive

The Qwiic GPIO, based on the TCA9534 I/O Expander IC, adds 8 I/O pins that you can read and write to, just like any other digital pin you want. (SparkFun DEV-17047) Also listed by SparkFun as SPX-16406 (SparkX).

Part number	DEV-17047
Manufacturer	SparkFun
Category	Interface & Expansion › I/O Expanders & Multiplexers
Pins	4

SparkFun Qwiic GPIO pinout

Pin	Name	Type
1	GND	ground
2	3V3	power
3	SDA	bidirectional
4	SCL	input

Schematic symbol and footprint

Schematic symbol

Footprint: JST-SH 4-pin SMD right-angle (SM04B-SRSS-TB) - Qwiic / STEMMA QT — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.