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Espresso: Espresso Mods and Restorations
Heavily Modifided 'Starbucks Barista' SIN 006
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Discussions > Espresso > Espresso Mods > Heavily...  
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Lowesdown
Senior Member
Lowesdown
Joined: 25 Jun 2013
Posts: 3
Location: Surrey, BC
Expertise: I live coffee

Posted Tue Jun 25, 2013, 1:19pm
Subject: Heavily Modifided 'Starbucks Barista' SIN 006
 

So after much creeping on many forums I wanted to show off my heavily modified Starbucks barista.

It all started when I saw it sitting on the shelf in my buddies garage. I asked him what the status was, he said broken. I said I can recycle it as he switched to a pods machine.

The first mod was a PID from auber instruments, very simple install and great shots started flowing from the machine. I found the working area fairly dim and didnt like the ping pong ball in the resivoir idea, i wired in IKEA LED pucks mounted to illuminate the water chamber and the work surface. Once I had worked at it and dialed in my espresso, the next progression was lattes. Unfortunately the boiler for steaming isn't to powerful. I saw one picture online of someone with a steam thermostat override switch.

So I wanted to get the word out and hopefully help those looking to modify these bad boys!

How the switch works: it closes the thermostat, telling the boiler to kick on.

*use a momentary switch* I blew up the supply line to the boils by forgetting a regular switch in the on position. ($5 part to fix it)

I made sure to use high temp wire (extra from my PID install)
And drilled it into the side casing right below the steam knob, so I can bypass the thermostat while steaming. I make sure to watch the temp readout as I override to make sure it doesn't get too high.

I can now make enough micro foamed milk to make one latte, all I need. Now it's just dialing in my latte art.

Any questions ask away, I want to help those who are looking to mod one of these now, with up to date information. And hopefully support.
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calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 7,949
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Tue Jun 25, 2013, 4:06pm
Subject: Re: Heavily Modifided 'Starbucks Barista' SIN 006
 

Welcome to the board.
Congratulations on getting it fired up again. I tend to favor the PID that includes regulating the steam function also. You may have wired your by pas switch in the wrong place as there is an over temp safety to prevent too high of a temp. hang around, we have a lot you can learn.

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 7,949
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Tue Jun 25, 2013, 4:08pm
Subject: Re: Heavily Modifided 'Starbucks Barista' SIN 006
 

I forgot to ask, what grinder do you have? It is MUCH more important than the machine as is fresh, less than two weeks from the day it was roasted on.

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 7,949
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Tue Jun 25, 2013, 4:12pm
Subject: Re: Heavily Modifided 'Starbucks Barista' SIN 006
 

I forgot to ask, what grinder do you have? It is MUCH more important than the machine as is fresh, less than two weeks from the day it was roasted on coffee

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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Lowesdown
Senior Member
Lowesdown
Joined: 25 Jun 2013
Posts: 3
Location: Surrey, BC
Expertise: I live coffee

Posted Tue Jun 25, 2013, 4:21pm
Subject: Re: Heavily Modifided 'Starbucks Barista' SIN 006
 

Well, for my grinder I have a Baratza virtuoso presciso, and my beans are locally roasted and I'm never more than two weeks past roast date.

As far as thermal cutoff it boiled the water in the inlet tube so hot it melted, but never tripped the thermal cutoff.

The switch is only wired so I can basically turn the boiler on during steam function. I haven't eliminated the existing thermostat.
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 2,026
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Tue Jun 25, 2013, 5:26pm
Subject: Re: Heavily Modifided 'Starbucks Barista' SIN 006
 

Scott, nice to see you posting on CG.

It looks like you've made some nice mods to your Barista. Since you mentioned having high temperature wiring left over, I will assume that you made up your own wiring and did not buy a kit. It would be fairly easy to hook up the alarm function of the controller to run the steam temperature when you flip normal steam switch. Many of us have done a do-it-yourself install including do-it-yourself alarm function steam control. If you have not already looked, it involves wiring an AC to DC power supply 4.5 V up to about 24 V. Many of the small cell phone hands-free device chargers have lithium batteries and run at about 4.5 up to 5.5 V. The AC voltage from your steam switch turns on the DC voltage  which in turn will run the SSR. The positive line of the DC voltage source runs through the PID controller across the alarm switch which then regulates on and off at your specified temperatures such as between 290 and 291 Fahrenheit or corresponding centigrade. Since you have already gotten this far it should be a very easy hook up.  Ask if you have further interest in this.

Watching the controller temperature and using a momentary switch is also a simple solution as you done.

You may be interested in the following thread as most of the SBDU machines works similarly.

http://coffeegeek.com/forums/espresso/machinemods/571792

 
D4F also at
http://www.gaggiausersgroup.com/
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Lowesdown
Senior Member
Lowesdown
Joined: 25 Jun 2013
Posts: 3
Location: Surrey, BC
Expertise: I live coffee

Posted Thu Sep 26, 2013, 12:46am
Subject: Re: Heavily Modifided 'Starbucks Barista' SIN 006
 

I haven't yet done the alarm function, what extra is needed to make this happen?

I also have spare parts from another machine. I'm playing with the idea of making it into a double boiler machine. Thoughts?
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 2,026
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Thu Sep 26, 2013, 7:04pm
Subject: Re: Heavily Modifided 'Starbucks Barista' SIN 006
 

I started with this

http://www.skenedesign.com/Silvia/

That shows a power source, such as cell phone charger used to obtain a DC source.  A 9v battery can also be used and changed as needed, seldom I suspect.  Diodes keep the power supplyDC and DC from the PID from having problems.

The short version is that you are disconnecting the wires from the steam switch to turn on the steam because the alarm function will do that via a high PID alarm temperature.  The Steam switch instead turns on the DC power supply which has the positive line go through the PID alarm.  The alarm controls the DC, obviously only when there is DC because you use the steam switch, to drive the temperature over your SV and that shuts off the PID functions.  

See page 27 and a couple pages following

Click Here (coffeegeek.com)

Power supply on 25 and 26 and 25 will help if you look at the Gaggia diagram noted and see what the switch does.

Diodes and list page 19

You could probably skim many of the pages 16 - about 30.  You already have done the PID and you can just look for diodes, power supplies ...

Please look at the PID thread and let me know more specifically what you want to know.

 
D4F also at
http://www.gaggiausersgroup.com/
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