Cheap as chips system PI W and Justboom DACAMP

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Cheap as chips system PI W and Justboom DACAMP

Postby sheridat » Fri Oct 04 2019 14:53

Components.
1. A broken radio from ebay for £5
2. A pair of speakers from a couple of bookshelf speakers that were sitting unused in my garage
3. A Raspberry PI Zero W ( I bought the version where you has to solder on the header - about £7)
4. A JustBoom Amp Zero pHAT that is a combined DAC and AMP - they retail at around £24 and can push out up to 40W per channel.
5. An official 5volt 3W power supply retails at £7.50
So altogether £43.50

Build
1. Ripped out the radio's original tinny speakers and inserted the drivers from my bookshelf speakers. The actual physical dimensions were the same;
2. Soldered the headers on the PI W and mounted the DAC/AMP;
3. The Justboom amp/dac comes with an IR receiver to allow you to control it with an IR remote - I glued that between the speakers and connected it the DAC/AMP;
4. Burnt volumio on an SD card I already had;
5. Connected the speakers to the DAC/AMP outputs;
6. A Smart Plug the Alexa can control.
7. An otg cable to allow me to add a usb stick or drive
8. I have a USB HDD that I use for all sorts of things attached to my Broadband Router - Contains roughly 650 albums mostly in FLAC

Usage
1. I switch it on by simply asking Alexa to turn on the Smart Plug - this boots up volumio;
2. In general, once it emits the "booted up sound" I use Alexa to control what to play, the volume, pausing, playing etc using IFTT and the Volumio Rest API's - see this excellent post https://forum.volumio.org/volumio-controlled-amazon-alexa-t7967.html
3. I have my Logitech Harmony Elite/Harmony hub set up to control it but I hardly ever use it;
4. I sometimes use Airplay to stream from my Iphone and I also have the volumio apps on my apple and android devices;
5. If I'm using my Win 10 laptop I use the Web UI for control.
6.When I have decided to finish listening I use anything other than Alexa to get Volumio to shutdown Volumio (so the SD card based OS doesn't get corrupted)
7 After waiting a few seconds for the shutdown to happen I ask Alexa to turn of the smart plug.

I can thoroughly recommend the PI W and Justboom DAC/AMP pair which is surprising loud

From the outside it looks just like a nice little radio.
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sheridat
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Cheap as chips system PI W and Justboom DACAMP

Postby noiro » Sat Oct 12 2019 13:53

Cool!
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noiro
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