YX5300 serial MP3 player (Catalex) with ESP32

Supply 3.3-5 V Bus GPIO
GNDVCCTXRX

Pins and ESP32 wiring

PinRoleESP32 pinNotes
GNDGroundGND
VCCPower3V33.2 to 5.2 V
TXOutput (the part drives it)D25Module transmits: to an ESP32 RX pin. 9600 baud
RXInput (the ESP32 drives it)D26Module receives: from an ESP32 TX pin

Suggested wiring for the 30-pin ESP32 DevKit, avoiding flash, input-only and strapping pins. BoardPilot checks it for you as you wire.

Sources

Try it in 3D in BoardPilot

BoardPilot Part data (JSON)

Related parts

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