MP3-Speler Module DFPlayer
Compacte module welke direct op een speaker aangesloten kan worden.
Voedingsspanning: 3.3 - 5V DC
Ondersteunt MP#, WAV, WMA
Ondersteunt Micro SD-Kaarten FAT16 en FAT32 (max. 32 GB)
Max 100 mappen, max 255 bestanden per map
| Pin number | Pin name | Function | Remark |
| 1 | VCC | Module power input | 3. 3V—5V, 5V is recommended, do not exceed 5. 2V |
| 2 | RX | UART serial data input | |
| 3 | TX | UART serial data output | |
| 4 | DAC_R | Audio output right channel | Drive headphones, amplifier |
| 5 | DAC_L | Audio output left channel | Drive headphones, amplifier |
| 6 | SPK2 | Connect small speaker | Drive less than 3W speakers |
| 7 | GND | Ground | Power ground |
| 8 | SPK1 | Connect small speaker | Drive less than 3W speakers |
| 9 | IO1 | Trigger port | Default previous song (long press volume down) |
| 10 | GND | Ground | Power ground |
| 11 | IO2 | Trigger port | Default next song (long press volume plus) |
| 12 | ADKEY1 | AD port 1 | The first song when triggered (long press cycle first song) |
| 13 | ADKEY2 | AD port 2 | Fifth track when triggered (long press cycle fifth track) |
| 14 | USB+ | USB+ DP | Connect U disk or USB port of computer |
| 15 | USB- | USB- DM | Connect U disk or USB port of computer |
| 16 | Busy | Playback status | With audio, output low. No audio, output hig |