Uploaded July 2020 | Updated September 2026, 2 days ago

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By connecting a microcontroller to DFPlayer Mini, even if the power is turned off, the volume setting and the song data you were listening to will be recorded in the EEPROM of the microcontroller.
When you turn on the power, the beginning of the song you were listening to will be played.

【Circuit Diagram】
drive.google.com/file/d/1R-4X3li_KDBD6xzNaaKsdByLJUFOsN_E/view?usp=sharing

【Program】
drive.google.com/file/d/1kUfks-pLi6sIbPlxGW5v5_5BKK_QcaY3/view?usp=sharing
[Updated June 14th, 2024]

【DFPlayer Mini Datasheet】
drive.google.com/file/d/1vo193aeTJjhGgDhHuDpB6NT3UDDYN-5R/view?usp=sharing

【Music】
空を見上げれば soundcloud.com/baron1_3/sora_wo_miagereba
Shall we meet？ dova-s.jp/bgm/play2896.html
Alice dova-s.jp/bgm/play11900.html
Cocktail Glass dova-s.jp/bgm/play3270.html

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