SparkFun Buck-Boost Converter
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Adjust a project’s supply voltage using this switching buck-boost converter. It accepts an input range spanning above and below several common output voltages. A bottom-mounted switch selects 3.3 V or 5 V, while a custom resistor setting supports other outputs within the documented range; GPIO connections offer additional control options.
Before you buy
Check required load current, operating conditions and resistor selection in the documentation before powering a project.
SparkFun SKU: COM-15208 · Category: DC-DC power converters
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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.