LED Brightness Adjuster Kit
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Compare LED brightness choices with this adjustment-kit board. It fits into breadboard power rails so several boards can be arranged next to each other, supporting side-by-side testing during a prototype. The described layout accommodates up to ten neighboring boards, giving a physical setup for selecting suitable LED and resistor combinations.
Before you buy
Review kit contents, resistor options and LED current requirements before powering a test arrangement.
SparkFun SKU: SPX-21226 · Category: LED prototyping tools
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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 eligibility was verified with the supplier’s Original: Yes filter on 2026-10-25. Affiliate eligibility remains subject to SparkFun's program terms.