LilyPad Light Sensor

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LilyPad Light Sensor — manufacturer product photograph
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Add an ambient-light input to a sewn electronics project with this LilyPad board. Its ALS-PT19 produces an analog signal that a compatible microcontroller can read and use in code. The sewable interface supports experiments where wearable lighting or another response changes according to the illumination reaching the sensor.

Before you buy

Check supply, analog-input compatibility and calibration for the intended fabric placement and lighting conditions.

SparkFun SKU: DEV-14629 · Category: Wearable light sensors

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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.