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The DFPlayer Mini allows you to easily play music and sound effects from an SD card. Furthermore, by combining an ESP32 with a DFPlayer Mini, you can create various systems. For example, you can ring ...

The DFPlayer Mini allows you to easily play music and sound effects from an SD card. Furthermore, by combining an ESP32 with a DFPlayer Mini, you can create various systems. For example, you can ring ...

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Each module is an ESP32 with a button, an OLED display, and a 20-frame animation that plays when a trigger fires. The interesting part is what happens when you connect more than one — they negotiate ...

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