SOLUTION FOUND: SpeakerpHAT - no sound :(


#1

Hi folks,

SOLUTION: MY SOLDERING WAS AT FAULT! New SpeakerpHAT works perfect (after a lot of soldering exercises!)

Have looked through the threads - found no obvious workaround / solution in getting my SpeakerpHAT to sing…

I’m running it on a Pi Zero W with latest Stretch-Lite distro. Soldering seems to have gone fine. I installed the ‘one line installer’ and ran ./test.sh.

Output was as follows -

testing audio

speaker-test 1.1.3

Playback device is default
Stream parameters are 48000Hz, S16_LE, 2 channels
WAV file(s)
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 96 to 1048576
Period size range from 32 to 349526
Using max buffer size 1048576
Periods = 4
was set period_size = 262144
was set buffer_size = 1048576
 0 - Front Left
 1 - Front Right
Time per period = 3.176435

testing basic wav playback

Playing WAVE './test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo

testing text-to-speech


testing VU meter

VU meter works fine, but no sound at all and no heat from the speaker either.

Any suggestions as to where to turn next?

Regards,

Michael


#2

I have to ask the obvious just to rule it out ;) Speaker jumper wires soldered in?


#3

Yeap -

Soldering speaker with the supplied gauge wire was easier than the header. I’ll post a pic or two later…

Anything else i need to do / . debug, get log file etc??

Cheers,

Michael


#4

On my Pirate Radio (pHat Beat) I ran the following
sudo systemctl stop pulseaudio
speaker-test -c2 -t wav

I don’t know if you have to stop pulseaudio, I did at that time running I think Jessie. I need to keep better notes.


#5

@alphanumeric

Tried that, but only got the smallest of feeble sounds by having my ear right next to the speaker!

Have attached photos of the soldering done - https://photos.app.goo.gl/g9ogRvROvvOqJsrw1

I guess I’ll ask #Pimoroni for a replacement.

Regards,

Michael


#6

The soldering of the GPIO header isn’t the best. The speaker phat pinout is here,


You may want to redo those pins.
https://learn.pimoroni.com/tutorial/sandyj/the-ultimate-guide-to-soldering


#7

Now to find out what I can do with it!!


#8

I have the pHat Beat and run mine as a Pirate Radio (VLC radio).