LilyTiny
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LilyTiny is a small sewable controller for simple physical-computing effects. It suits an introductory lesson in which learners build an expressive indicator or wearable interface before tackling a larger robot controller. The limited I/O encourages careful choices about which input or output is actually necessary. Its educational role is modest and specific: it is useful for understanding a tiny embedded circuit, not a substitute for a controller that must manage several motors, sensors and communication links.
Before you buy
Review the supplied behavior and reprogramming procedure before planning a custom program. Provide the required power source and textile-circuit materials.
SparkFun SKU: DEV-10899 · 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 eligibility evidence was recorded October 17, 2026. Affiliate eligibility remains subject to SparkFun's program terms.