SparkFun USB-C Host Shield
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Add USB host-controller hardware to an Arduino project with this USB-C shield. The MAX3421E communicates through SPI, and a level converter reduces SPI signals to 3.3 V. The shield offers 5 V or VIN power selection and supplies 5 V at its USB-C connector for peripheral connections.
Before you buy
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SparkFun SKU: DEV-21247 · Category: USB interface shields
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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. Current SparkFun Originals eligibility was verified with the supplier’s Original: Yes filter during the October 25, 2026 sprint. Affiliate eligibility remains subject to SparkFun's program terms.