SparkFun Qwiic GPIO
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Expand a Qwiic controller with eight additional digital I/O pins. The board uses a TCA9534 expander and communicates over I2C. Confirm the electrical limits of any connected devices; expanded logic pins do not replace a suitable driver for motors or other loads.
Before you buy
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SparkFun SKU: DEV-17047 · Category: Controllers, compute & development boards
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Official product specifications and documentation
EAR summary based on supplier documentation; this is not a hands-on review. Product identity rechecked during the October 25, 2026 sprint. SparkFun Originals listing membership and product identity were verified during the October 25, 2026 sprint. Affiliate eligibility remains subject to SparkFun's program terms.