Buying Guide
You have two options:
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Buying an assembled device: Buy Assembled Device
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Assemble the Device yourself with off-the-shelf components:
| Item | Where To Buy | Unit Price |
|---|---|---|
| Seeed Studio XIAO nRF52840 Sense Board | $15 on Seedstudio and $24 on Amazon US, Amazon EU and India | <$15/unit |
| Rechargeable Battery | $7 on Amazon US | $7/unit |
| Slider Switch | $8 for 30+ units Amazon US SS12D00-G3 (3mm) and also Amazon EU and Amazon UK but you only need one | <$1/unit |
| Wires | Amazon US | |
| Case | 3D-print design of the case |