Disney Frozen 2 Magic Pendant Plush Doll: Difference between revisions
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What child wouldn't love their plush dolls to sing to them, especially the Frozen theme songs. This is the idea behind the magic-pendent | What child wouldn't love their plush dolls to sing to them, especially the Frozen theme songs. This is the idea behind the magic-pendent Frozen-II plush dolls. You can still buy these dolls on [https://www.amazon.co.jp/-/en/Disney-Character-Chatting-Pendant-Frozen/dp/B07YLXVF4C Amazon (Japan)] | ||
[[File:001.Disney Frozen2.Both Dolls.jpg|alt=A view of both Disney Frozen 2 Magic Pendant Plush Dolls|none|thumb|A view of both Disney Frozen 2 Magic Pendant Plush Dolls]] | [[File:001.Disney Frozen2.Both Dolls.jpg|alt=A view of both Disney Frozen 2 Magic Pendant Plush Dolls|none|thumb|A view of both Disney Frozen 2 Magic Pendant Plush Dolls]] | ||
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Revision as of 19:55, 6 March 2023
What child wouldn't love their plush dolls to sing to them, especially the Frozen theme songs. This is the idea behind the magic-pendent Frozen-II plush dolls. You can still buy these dolls on Amazon (Japan)
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General Description
The dolls work on the concept of the pendent containing NFC chip which activates a song playback. The pendant is a simple NFC tag, whilst the plush doll body contains the RF transceiver and playback logic. There is no difference between the Anna or Elsa doll other than what is loaded into the flash eeprom.
NFC Unit
The PCB contains two logic IC, one an RF amplifier the other the ARM Cortex-M0 enabled microcontroller playback unit. The MCU unit contains 32K OTP ROM for program code, and a further 8Mb audio flash-rom
| IC Part | Description | Link |
|---|---|---|
| NX11M23A | Single-Chip 32-bit MCU with CELP, SBC, ADPCM Coding & 16-ch MIDI | Datasheet |
| NY9A109A | Low Frequency RF Amplifier | Datasheet |
