SparkFun Breadboard Power Supply Stick - 5V/3.3V
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Power breadboard circuits from a suitable DC source with this supply stick. It accepts six to twelve volts and provides a selectable 3.3-volt or five-volt output, with separate power and voltage switches. A barrel jack and two-pin header offer input choices, while the output layout can serve both rails on the referenced breadboard.
Before you buy
Supply suitable headers and check breadboard spacing, input polarity and regulator limits.
SparkFun SKU: PRT-13032 · Category: Breadboard power supplies
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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.