| | [* black] Here we get a good view of what's inside: |
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| | [* red] [http://www.st.com/web/en/catalog/mmc/FM141/SC1544/SS1374/LN1041|STMicroelectronics STM32L 151] ARM-based SoC microcontroller |
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| | [* orange] [http://www.nordicsemi.com/eng/Products/Bluetooth-R-low-energy/nRF8001|Nordic Semiconductor nRF8001]Bluetooth chip |
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| | [* yellow] Accelerometer labelled 8304 AE D42 oW |
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| | [* green] [http://www.te.com/usa-en/product-CAT-BLPS0035.html|Measurement specialities MS5607-02BA03] altimeter |
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| | [* blue] Protection circuit module for battery |
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| | [* violet] Polymer Li-Ion Battery |
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