# How can i play the audio on speakers?

**URL:** <https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058>\
**Category:** General Guidance\
**Created:** [October 19, 2024, 4:03pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058 "2024-10-19T16:03:37Z")\
**Posts on this page:** 19\
**Page:** 1

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**Author:** ![circuit\_sorcerer](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/circuit_sorcerer/32/1113614_2.png) [@circuit\_sorcerer](https://forum.arduino.cc/u/circuit_sorcerer)\
**Post date:** [October 19, 2024, 4:03pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/1 "2024-10-19T16:03:37Z")

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I'm making a project on gesture to speech using arduino uno r3,flex sensors,lcd,dfplayer(first copy)and a 8ohm/0.5w speaker.  
Till now i didn't face any problems with connections till lcd but i cannot generate the sound from the speakers.I tried formatting the sd card,we have mp3 files too,added a 9v battery to circuit,checked all connections but still didn't work.It generated some kind of sound from speaker at the beginning but when we tried uploading the code it didn't work.Kindly suggest me some solutions or some alternative that is feasible and easy to use.This is the code-

```arduino
#include <DFPlayerMini_Fast.h>

#if !defined(UBRR1H)
#include <SoftwareSerial.h>
SoftwareSerial mySerial(2,3); // RX, TX
#endif

DFPlayerMini_Fast myMP3;

void setup()
{
  Serial.begin(115200);

#if !defined(UBRR1H)
  mySerial.begin(9600);
  myMP3.begin(mySerial, true);
#else
  Serial1.begin(9600);
  myMP3.begin(Serial1, true);
#endif
  
  delay(1000);
  
  Serial.println("Setting volume to max");
  myMP3.volume(30);
  
  Serial.println("Looping track 1");
  myMP3.loop(1);
}

void loop()
{
  //do nothing
}

```

 ![](https://europe1.discourse-cdn.com/arduino/original/4X/2/d/b/2db9b1c9e5d87d50da54ee5cd62b24cb1d2542f0.jpeg)  
 ![](https://europe1.discourse-cdn.com/arduino/original/4X/a/1/9/a194bbab22bc07aa0e52efe86195965999d727bc.jpeg)  
 ![](https://europe1.discourse-cdn.com/arduino/original/4X/a/7/9/a79c50062e0a1c59fe8b3d53499993868e1ca3fa.jpeg)

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<div class="post-metadata">

**Author:** ![anon85221860](https://avatars.discourse-cdn.com/v4/letter/a/59ef9b/32.png) [@anon85221860](https://forum.arduino.cc/u/anon85221860)\
**Post date:** [October 19, 2024, 4:18pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/2 "2024-10-19T16:18:13Z")

</div>

You need to take another look at that wiring.  
And the 9V is another point (in excess of spec.)

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<div class="post-metadata">

**Author:** ![LarryD](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/larryd/32/215550_2.png) [@LarryD](https://forum.arduino.cc/u/LarryD)\
**Post date:** [October 19, 2024, 4:19pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/3 "2024-10-19T16:19:35Z")

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- The RX pin on the DFPlayer needs 5v to 3v3 level translation.

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<div class="post-metadata">

**Author:** ![build\_1971](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/build_1971/32/689930_2.png) [@build\_1971](https://forum.arduino.cc/u/build_1971)\
**Post date:** [October 19, 2024, 4:44pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/4 "2024-10-19T16:44:38Z")

</div>

You will need an amplifier...

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<div class="post-metadata">

**Author:** ![circuit\_sorcerer](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/circuit_sorcerer/32/1113614_2.png) [@circuit\_sorcerer](https://forum.arduino.cc/u/circuit_sorcerer)\
**Post date:** [October 19, 2024, 5:01pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/5 "2024-10-19T17:01:21Z")

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so you're saying it should work with ext. voltage?

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<div class="post-metadata">

**Author:** ![circuit\_sorcerer](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/circuit_sorcerer/32/1113614_2.png) [@circuit\_sorcerer](https://forum.arduino.cc/u/circuit_sorcerer)\
**Post date:** [October 19, 2024, 5:02pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/6 "2024-10-19T17:02:00Z")

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how to do that?

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<div class="post-metadata">

**Author:** ![circuit\_sorcerer](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/circuit_sorcerer/32/1113614_2.png) [@circuit\_sorcerer](https://forum.arduino.cc/u/circuit_sorcerer)\
**Post date:** [October 19, 2024, 5:03pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/7 "2024-10-19T17:03:00Z")

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why though?can u explain pls

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<div class="post-metadata">

**Author:** ![build\_1971](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/build_1971/32/689930_2.png) [@build\_1971](https://forum.arduino.cc/u/build_1971)\
**Post date:** [October 19, 2024, 5:18pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/8 "2024-10-19T17:18:11Z")

</div>

Sorry, I did not carefully resd uour post. Dfpkayer has built in amplifier...

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<div class="post-metadata">

**Author:** ![LarryD](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/larryd/32/215550_2.png) [@LarryD](https://forum.arduino.cc/u/LarryD)\
**Post date:** [October 19, 2024, 5:27pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/9 "2024-10-19T17:27:26Z")

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![IMG_3322](https://europe1.discourse-cdn.com/arduino/original/4X/e/a/c/eac5316b86bd0db29c759af296143fe1eb03c847.jpeg)

- BTW, spend some time on YouTube looking at the DFPlayer videos.

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<div class="post-metadata">

**Author:** ![aliarifat794](https://avatars.discourse-cdn.com/v4/letter/a/eb8c5e/32.png) [@aliarifat794](https://forum.arduino.cc/u/aliarifat794)\
**Post date:** [October 19, 2024, 5:30pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/10 "2024-10-19T17:30:19Z")

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SD card should be formatted to FAT16 or FAT32. DFplayer supports only these formats.

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<div class="post-metadata">

**Author:** ![circuit\_sorcerer](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/circuit_sorcerer/32/1113614_2.png) [@circuit\_sorcerer](https://forum.arduino.cc/u/circuit_sorcerer)\
**Post date:** [October 19, 2024, 6:18pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/11 "2024-10-19T18:18:59Z")

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ohk i see..thanx a lot 👍.....i did see some videos though it didn't help much

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<div class="post-metadata">

**Author:** ![circuit\_sorcerer](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/circuit_sorcerer/32/1113614_2.png) [@circuit\_sorcerer](https://forum.arduino.cc/u/circuit_sorcerer)\
**Post date:** [October 19, 2024, 6:22pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/12 "2024-10-19T18:22:35Z")

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no pblm 👍

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<div class="post-metadata">

**Author:** ![circuit\_sorcerer](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/circuit_sorcerer/32/1113614_2.png) [@circuit\_sorcerer](https://forum.arduino.cc/u/circuit_sorcerer)\
**Post date:** [October 19, 2024, 6:26pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/13 "2024-10-19T18:26:02Z")

</div>

i already formatted it

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<div class="post-metadata">

**Author:** ![anon85221860](https://avatars.discourse-cdn.com/v4/letter/a/59ef9b/32.png) [@anon85221860](https://forum.arduino.cc/u/anon85221860)\
**Post date:** [October 19, 2024, 7:11pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/15 "2024-10-19T19:11:34Z")

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Wire it like this --

 ![image](https://europe1.discourse-cdn.com/arduino/original/4X/9/d/b/9db37f3941bb345a1a093b3df19683b13eb13a45.jpeg)  
no deviations.

(No 'amplification' required.)

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<div class="post-metadata">

**Author:** ![leonepedro](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/leonepedro/32/1100312_2.png) [@leonepedro](https://forum.arduino.cc/u/leonepedro)\
**Post date:** [October 19, 2024, 8:05pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/16 "2024-10-19T20:05:47Z")

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Hello,  
I made an audio project with Arduino to play music, I think it can help you with your question.

> **[Como Fazer Músicas com Arduino? - Clube do Maker](https://clubedomaker.com/como-fazer-musicas-com-arduino)**
>
> Neste artigo é explicado como tocar músicas utilizando o microcontrolador Arduino. Lembra aqueles toques musicais de celulares antigos

At the end there is an illustrative video.

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<div class="post-metadata">

**Author:** ![circuit\_sorcerer](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/circuit_sorcerer/32/1113614_2.png) [@circuit\_sorcerer](https://forum.arduino.cc/u/circuit_sorcerer)\
**Post date:** [October 20, 2024, 6:29am UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/17 "2024-10-20T06:29:42Z")

</div>

ohkk i"ll try it out then...thanx....btw in which site did u do the simulation?

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<div class="post-metadata">

**Author:** ![circuit\_sorcerer](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/circuit_sorcerer/32/1113614_2.png) [@circuit\_sorcerer](https://forum.arduino.cc/u/circuit_sorcerer)\
**Post date:** [October 20, 2024, 7:16am UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/18 "2024-10-20T07:16:09Z")

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👍 👍

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<div class="post-metadata">

**Author:** ![anon85221860](https://avatars.discourse-cdn.com/v4/letter/a/59ef9b/32.png) [@anon85221860](https://forum.arduino.cc/u/anon85221860)\
**Post date:** [October 20, 2024, 12:41pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/19 "2024-10-20T12:41:45Z")

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> [@circuit\_sorcerer](#):
>
> btw in which site

That's from the DFRobot webpage.

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<div class="post-metadata">

**Author:** ![system](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/system/32/1140315_2.png) [@system](https://forum.arduino.cc/u/system)\
**Post date:** [April 18, 2025, 12:42pm UTC](https://forum.arduino.cc/t/how-can-i-play-the-audio-on-speakers/1313058/20 "2025-04-18T12:42:31Z")

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Closed on April 18, 2025, 12:42pm UTC

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