Questions tagged [dfplayer]
7 questions
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2 answers
Only connect consumer to battery on button press
I want to build a toy for my daughter. It contains a couple of buttons and each of them play a different sound.
I have a 3.7v 500mAh battery, a tp4056 battery charger and a dfplayer audioplayer.
This is my basic setup: 5v source that goes to the…
boop
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2 answers
DFPlayer + amplifier give weird noise
I connected a DFPlayer with a PAM8403 on pin DAC_R like this:
I also added capacitor on the supply line.
Here the sound i have from the speaker:
You can lisen here: https://www.dropbox.com/s/odw1ya0uxkn16ut/audio.mp3?dl=0
What can be the…
David Blais
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1 answer
Audio Player and RF Receiver Interference (no transmission data when audio is playing)
I've been trying to control a MP3 player wirelessly through RF but it seems that once I start to play music the receiver stops carrying data to the MCU.
My setup is the following:
Receiver: Arduino Nano, DFPlayer and XY-MK-5V (generic 433MHz…
Chu
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0 answers
DFPlayer Module Sleep mode working for anyone?
I'm trying to put a DFPlayer module into sleep mode.
The command seems to be: 7E FF 06 0A 00 00 00 FE F1 EF. The normal power consumption my supply is showing (when the module is idle) is about 15mA, after sending the sleep command I read exactly…
user34920
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Speaker OUT To MIC IN
I want to use dfplayer modules speaker output to connect to SIM800L MIC IN Pins.
Can this being done? How to connect it?
In other words Instead of a MIC input on SIM800L module, I use the sound out of the dfplayer module.
Please see the attached…
0
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1 answer
DFPlayer DAC_R and DAC_L vs SPK
I have a DFPlayer and I want to connect the output of this device to an audio station (which has a jack stereo input - aka aux).
It is unclear for me what the difference is between DAC_R, DAC_L and SPK1, SPK2. From the research I did, both of them…
Cătălina Sîrbu
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Wiring left and right channels together coming out of MP3 player module
I have a DFPlayer MP3 module and i'd like to use the dac_l and dac_r outputs to connect to an amplifier. However, the amplifier is mono and i'd like to hear both channels coming out of the speaker.
Could i connect the dac_r and dac_l lines together…
Ramsom
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