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for short‑range indoor use only)
typically used to sense magnetic north
Typical project: Light-activated night light or ambient mood LEDs
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Lithium Ion Polymer Battery- 3.7v 150mA for short‑range indoor use only)This ultra thin Lithium Polymer battery packs 150mAh (0. 6Wh) at 3. 7V nominal (3. 04. 2V range) with pre crimped genuine 2 pin JST PH and PCM protectionideal for small wearables or Feather backups. Tailored for first year engineering students powering low drain IoT nodes safely. PCM prevents overcharge (>4. 2V cutoff), over discharge (3. 0V cutoff), and shorts; polarity matches Adafruit chargers boards. Smooth JST mating avoids snags; requires LiPo