I swear, as a Mechanical Engineering student and coffee nerd, this is straight up awesome. These last two videos have been one of the best things I've seen on TH-cam in a while. Keep it up
Protect Tate at all costs!! My wife enjoyed watching your videos with me. Your videos have literally been what I've been waiting for in the coffee community for a REALLY long time. I was seriously considering the Gagguino project, but now this opens up so many possibilities! ❤
Tate, very impressive what you've done. I just wish the manufacturers of machines would start to incorporate some of your tech into their machines. By yourself, you are outperforming the major brands in innovation. I wish they'd hire you or let you jump start their lame product development teams. Or alternatively, it would be great if you'd make your board available commercially to DIY coffee nerds that want to follow your lead.
LOL. Thanks! very kind words... All these projects did start out as résumé material for a job like that. My dream is still to land a job like that someday 🤞
@@tatemazer Tate, keep this up and you'll get that job. They'd be crazy to not hire you. New product development talent is more rare than you may know. Also, if you want to do this mod to an ECM or a Rocket R58, let me know and I'll send you a new one. I would pay for parts and labor too, but I'd want it when you are done! I'd love to get a Tate Mazer original before you get that job and they make you sign a non-compete!
Dang, dope video! I have a Spaziale Vivalvi II and this sounds like something that could be really fun to experiment with. I was already thinking of just a pump shut-off switch so I could do a blooming espresso style of brew. This is some next level still that's for sure.
I really enjoyed the deep dive into your project. Just started to watch your videos and I like that they are the more technical side of the coffee world
LM should incorporate some of your ideas (i.e. bloom, flow rate monitoring) into their app. I recently added the retrofit wifi connect kit to my old GS3 and it adds some of these capabilities (prebrew time, preinfusion time, scheduling, etc). But you've really taken full advantage of the possibilities in ways the have not. Very nice.
Tate, are you planning to release the schematic diagram sometime in the future? Or even a Gerber file? Or will you sell cards? What are your plans for this project?
Man, this channel is so cool, so stoked to see a tech and coder on YT doing it like this!! I have always wanted to see this kind of combo from someone that has really been in the field Also, lol, I appreciated the final comment on Breville. I worked on a lot of commercial and prosumer machines for benching and repair but I just remember the first time seeing inside a Breville and really thinking "who the hell spilled all this spaghetti noodle wiring in here?? why are there so many o-rings??? what is happening??? oooh look! fun little coffee meme behind the screen"
Cool stuff! using the pump to build pressure for preinfusion makes sense. Superauto machines do this (Gaggia and Saeco-Phillips at least). I use the following preinfusion method for my Giotto which is plumbed at 3 bar: 1)open valve 2) wait for drips 3)pull shot. Time from start of preinfuse to first drips is about 6 seconds when things are optimal. (grind, headroom).
Very impressive work you're doing. And inspiring too. At least inspired me to try and mod a nueva simonelli oscar 2. Love your video, can't wait to see more of them
Great video! I would love to see what you get up to with a Gaggia Classic! I have one and have been considering a huge overhaul with a custom controller and enclosure, but haven't gotten that far yet. Keep up the good work!
Ok that's way better than what I was working on. I just have a GS3 turning on remotely and was working on doing remote flow control via a dimmer on the pump. You should see if you can add dose by weight using an Acaia lunar or something similar... That's always been something interesting that not many machines have.
somehow I missed this video so now I've got that bell on... this is such wonderful content I really love this kind of stuff. I have a little delonghi dedica deluxe and it seems to do what you're talking about with a preinfusion and then running the pump and I guess its counting pumps kinda like you were or something because I recently changed beans and it's taking waaay longer despite being set by time according to the manual (it must actually set by number of pumps?) anyways love your channel. also if you want to mess with fully automatic machines I'd love to know your deep dive opinions since apparently I'm looking for one for work...
Absolutely fantastic video and a credit to your skills. However, the last LM app update you can do all these features. Not sure if you have a current Gs3 but you have basically done what the new app/ current machine does with your older machine. What would be really cool is using your skills to do an AV machine with MP function. Basically a Strada EP. 👍
Thanks! Yes! I was happy to see they added quite a bit with the V2 app. But I'm still waiting for the granulated control of the pump and valve, flow rate info, and more details in the logging.
Wow I don’t remember when I was so impressed by an espresso machine.. this is what the GS3 AV always should have been! How hard would it be to replicate something like this?
Nice video. Just as a note, your no pump valve open pre-infusion (bloom) does not act as slayer pre-infusion, since there is no flow as soon as the pressure equilibrated. There will be an inrush of water into the puck until pressure in the boiler and at the puck are equal. The reason you see a slow trickle of flow without any puck is a slow but steady drainage of water from the boiler itself through the flow-restrictor. It is the official reason LM does not implement this, because there is theoretical risk of burning you heating element if you left it drain too long. Cheers!
Yeah it's slayer-ish only because it's long 😅, but more similar to just a regular line pressure preinfusion. That's really interesting information about La Marzocco's reasoning. I'm fascinating by the idea that you could drain the group that way. I've got an experiment to try... 🤓
Long for sure 😃 And I guess draining is more of an issue for the Linea Mini, draining in the GS3s boiler will only occur as long as the water inlet (for the brew head inside the boiler) sits below water level..
hi, this is really incredible. I have a La Marzocco GS3 MP but it is from 2016 so no ability to pressure profile. on reservior so no line pressure. i have noticed if i activate the paddle part of the way the valve opens to boiler pressure but haven't played around with that (but i will now that i have seen this). would this mod work for the MP as well? Is this something that can be taught or am I just overly optimistic? again, super cool stuff, great video, good luck to you! maybe you would enjoy a visit to Charleston, SC to modify my machine ;)
I am so here for this! Thanks for sharing all this amazing work. Where did you get the RoosRoast?! Traveled to MI? From MI? Once upon a time in Ann Arbor...
Very cool! I'd like one of your boards. Question: Why don't you just go with a BLDC gear pump with full flow/pressure control? Then you could have a decent-style graph where you change the flowrate or the pressure over time by adjusting some sliders? I have a mod in the works replacing a vibe pump for a BLDC gear pump. It will be totally analog, so the end result will be a little box with a potentiometer 0-5V controlling the pump and a tachometer display that will show the ml/s which I can derive from the rpm. I'd LOVE to have a profile programmed that I could run every time the pump comes on, but that's beyond me. Maybe you can do it and sell me a board? lol. EDIT: I see you did that already on your previous machine minus the board control of the pump. Any plans to work on that?
Glad you saw the other video! Yes this video was mostly focused on the idea of the capabilities of a machine without modifying anything but the circuit board. The Rocket was a much different story. That machine does control the pump from the circuit board, however it doesn't have any feedback control loops quite yet. Unfortunately the circuit board isn't quite ready to sell, but happy to hear your interest! 🤓
Full marks for the labels on your PCB. Sounds dumb, but you could splice in a vibe pump and fully modulate the flow for cheap. It would seem like a shame, but if you make it easily reversible, you could see if it's worthwhile rather than going full gear pump $$$.
😂 that's doesn't sound dumb at all! I'm literally working on that exact idea, my experience with gear pumps is they're simply too expensive and love the idea of having the same functionality with a vibe pump
GS3 ignorant here. does the gs3 volumetric flow meter include a flow sensor at puck level? does gs3 have pressure sensor at puck level? cool mods and i always liked engineering
Thanks! The flowmeter is downstream of the pump and reasonably accurate since it doesn't use an opv to maintain the pressure. I usually see it accurate to about a half a gram. The pressure gauge for the brew pressure is just at the boiler, not the puck. However the GS3 MP version does have a pressure gauge at the puck
Well I’m disappointed at the high speed of the DF83 flat burr and now I’m searching online for some power controller to see If I can run it at a lower power without killing it. The motor tends to overheat so I wonder if it’s being fed too much power which could make lower power operation possible (since lower power would tend to kill a motor) but after seeing this vid it maybe worth a try. 😅
Good catch! I have noticed the brew boiler losing a couple degrees during brewing, but some would say that's a good thing. I've got temperature profiling 😅
Do you actually need to have the machine plumed to water supply or can that work also with the reservoir for this to actually work? I use the reservoir and never got aware of the 'natural water pressure' without the pump being on...
Hi thanks for reaching out! Yes, this whole video was actually recorded with the machine connected to a reservoir. This behavior you're seeing is very similar to the gravity-fed prewetting you see on the Silvia pro x
Sorry to say that rotary pumps almost always run on AC voltage which is at a constant frequency and thus a constant pressure. Variable pressure requires either a DC motor'd gear pump or a pulse control system using a vibratory pump, as seen in the Decent Espresso Machine
Good question! Unfortunately PWM only works for DC power, whereas rotary pumps in most commercial equipment like a gs3 almost always runs on an AC pump.
Hello Tate, this is an awesome project! I really want to try to build your controller so I downloaded the files on Github. But I just cannot find the "schematics.png" and the "layout.png" for the Brewhob One circuit board. What am I doing wrong? Also, is your phone showing an app or a webpage from a websever in the Arduino IoT 33?
Hi, happy to hear you've downloaded the files! Sorry to say I don't have the schematics included, those arent quite ready to be released yet. The app I'm using is the official Arduino IoT app which is hosted from their servers, I am not using a web server on the Arduino itself
@@tatemazer Ok, are you planning to release the schematic diagram sometime in the future? Or even a Gerber file? Or will you sell cards? What are your plans for this project?
❤@tatemazer it’s just amazing!! Following your stuff since the fire videos from the lines classic you where modding❤ Is the board available for sale? I would take at least five for all the dead machineprojekts over here 😂
@@tatemazer Awesome video. Just wondering. The Brewhob 0.1 is using an ESP, while the "ONE" is using an Arduino. Any specific reason for that? I'd love to get this integrated in ie: Home Assistant, or exposing metrics through a prom client, and I guess that's a bit easier on an ESP compared to Arduino.
I swear, as a Mechanical Engineering student and coffee nerd, this is straight up awesome. These last two videos have been one of the best things I've seen on TH-cam in a while. Keep it up
I agree. This is the nerd coffee channel I need in life.
To say that we're impressed is an understatement. Love to see super capable engineers, super passionate about coffee 🙌
Protect Tate at all costs!!
My wife enjoyed watching your videos with me. Your videos have literally been what I've been waiting for in the coffee community for a REALLY long time. I was seriously considering the Gagguino project, but now this opens up so many possibilities! ❤
Nice!
Tate, very impressive what you've done. I just wish the manufacturers of machines would start to incorporate some of your tech into their machines. By yourself, you are outperforming the major brands in innovation. I wish they'd hire you or let you jump start their lame product development teams. Or alternatively, it would be great if you'd make your board available commercially to DIY coffee nerds that want to follow your lead.
LOL. Thanks! very kind words... All these projects did start out as résumé material for a job like that. My dream is still to land a job like that someday 🤞
@@tatemazer Tate, keep this up and you'll get that job. They'd be crazy to not hire you. New product development talent is more rare than you may know. Also, if you want to do this mod to an ECM or a Rocket R58, let me know and I'll send you a new one. I would pay for parts and labor too, but I'd want it when you are done! I'd love to get a Tate Mazer original before you get that job and they make you sign a non-compete!
Great work, very well presented in an almost casual down to earth way!
Dang, dope video!
I have a Spaziale Vivalvi II and this sounds like something that could be really fun to experiment with. I was already thinking of just a pump shut-off switch so I could do a blooming espresso style of brew. This is some next level still that's for sure.
That sounds like a great idea! Not too intrusive either
I really enjoyed the deep dive into your project. Just started to watch your videos and I like that they are the more technical side of the coffee world
WOULD LOVE TO SEE A GAGGIA CLASSIC VIDEO. It's very cool to see someone rip these machines apart and start modding them
You had me at modded machine but blew my mind at brew log. Amazing work!!!
LM should incorporate some of your ideas (i.e. bloom, flow rate monitoring) into their app. I recently added the retrofit wifi connect kit to my old GS3 and it adds some of these capabilities (prebrew time, preinfusion time, scheduling, etc). But you've really taken full advantage of the possibilities in ways the have not. Very nice.
Tate, are you planning to release the schematic diagram sometime in the future? Or even a Gerber file? Or will you sell cards? What are your plans for this project?
Man, this channel is so cool, so stoked to see a tech and coder on YT doing it like this!! I have always wanted to see this kind of combo from someone that has really been in the field
Also, lol, I appreciated the final comment on Breville. I worked on a lot of commercial and prosumer machines for benching and repair but I just remember the first time seeing inside a Breville and really thinking "who the hell spilled all this spaghetti noodle wiring in here?? why are there so many o-rings??? what is happening??? oooh look! fun little coffee meme behind the screen"
Ha ha, yeah Brevill is no fun to repair
@@ozespresso hahaha hi Yossi!!!! :)
@@aryanr3054 Yoooooo good seeing you man!
Cool stuff! using the pump to build pressure for preinfusion makes sense. Superauto machines do this (Gaggia and Saeco-Phillips at least). I use the following preinfusion method for my Giotto which is plumbed at 3 bar: 1)open valve 2) wait for drips 3)pull shot. Time from start of preinfuse to first drips is about 6 seconds when things are optimal. (grind, headroom).
You’re crushing these builds. Your skills just come together perfectly for this!
BEST CONTENT
Says a lot coming from one of my favorites! 🥰
Another great video Tate! fun to watch and educational
Very impressive work you're doing. And inspiring too. At least inspired me to try and mod a nueva simonelli oscar 2.
Love your video, can't wait to see more of them
I reallllly want to see how you do this. I’d love to do it myself one day (maybe on something a bit cheaper than a GS3 lol)
Great video! I would love to see what you get up to with a Gaggia Classic! I have one and have been considering a huge overhaul with a custom controller and enclosure, but haven't gotten that far yet. Keep up the good work!
Ok that's way better than what I was working on. I just have a GS3 turning on remotely and was working on doing remote flow control via a dimmer on the pump. You should see if you can add dose by weight using an Acaia lunar or something similar... That's always been something interesting that not many machines have.
Another awesome video! Keep it up!
Very nice Tate, i really love the effort you put into these videos
Great video
Turning on and off will be useful for cafe shops as well ☺️
dude this is SO cool
Very nice! Well done!
somehow I missed this video so now I've got that bell on... this is such wonderful content I really love this kind of stuff. I have a little delonghi dedica deluxe and it seems to do what you're talking about with a preinfusion and then running the pump and I guess its counting pumps kinda like you were or something because I recently changed beans and it's taking waaay longer despite being set by time according to the manual (it must actually set by number of pumps?)
anyways love your channel. also if you want to mess with fully automatic machines I'd love to know your deep dive opinions since apparently I'm looking for one for work...
Absolutely fantastic video and a credit to your skills. However, the last LM app update you can do all these features. Not sure if you have a current Gs3 but you have basically done what the new app/ current machine does with your older machine. What would be really cool is using your skills to do an AV machine with MP function. Basically a Strada EP. 👍
Thanks! Yes! I was happy to see they added quite a bit with the V2 app. But I'm still waiting for the granulated control of the pump and valve, flow rate info, and more details in the logging.
What! This is fantastic 👏
🎉 cool mate... Wish I had this too
Wow I don’t remember when I was so impressed by an espresso machine.. this is what the GS3 AV always should have been!
How hard would it be to replicate something like this?
Love your work
Nice video. Just as a note, your no pump valve open pre-infusion (bloom) does not act as slayer pre-infusion, since there is no flow as soon as the pressure equilibrated. There will be an inrush of water into the puck until pressure in the boiler and at the puck are equal. The reason you see a slow trickle of flow without any puck is a slow but steady drainage of water from the boiler itself through the flow-restrictor. It is the official reason LM does not implement this, because there is theoretical risk of burning you heating element if you left it drain too long. Cheers!
Yeah it's slayer-ish only because it's long 😅, but more similar to just a regular line pressure preinfusion. That's really interesting information about La Marzocco's reasoning. I'm fascinating by the idea that you could drain the group that way. I've got an experiment to try... 🤓
Long for sure 😃
And I guess draining is more of an issue for the Linea Mini, draining in the GS3s boiler will only occur as long as the water inlet (for the brew head inside the boiler) sits below water level..
Man every day I'm surprised by new coffee lore
would be cool to see your thoughts on some rocket machines :)
I have a GS3 MP - I would love to do this with my machine. PLEASE!!!
I am waiting to see from you some mod on la Pavoni lever 😁
How about a pressure transducer for the MP... Now that would be really, really fun!
once again cool video. Love to see the CA weather in the window hahah. Also is the a LM Lever in the frame? ya a gaggiuino would be cool to see next
Good eye! Yes that's the LM Leva pulled from the service manual 🤓
great knowledge, you may get different results if you level the machine a little more precisely
I love this! How can one get their hand on one of the PCBs?
Ok, now to the micra.
Would be Nice to ordre custom boards like you do for older commercial machine
Please make a Mini/Micra what it should be🙏Wirth Flow/pressure profiling
hi, this is really incredible. I have a La Marzocco GS3 MP but it is from 2016 so no ability to pressure profile. on reservior so no line pressure. i have noticed if i activate the paddle part of the way the valve opens to boiler pressure but haven't played around with that (but i will now that i have seen this). would this mod work for the MP as well? Is this something that can be taught or am I just overly optimistic? again, super cool stuff, great video, good luck to you! maybe you would enjoy a visit to Charleston, SC to modify my machine ;)
Great stuff! Also interested if this works on a GS3 MP? Love your videos!
+1 also interested in MP compatibility
Breville dual boiler mods please!!
I am so here for this! Thanks for sharing all this amazing work. Where did you get the RoosRoast?! Traveled to MI? From MI? Once upon a time in Ann Arbor...
Always gotta pick up a bag when I'm in town!
Very cool! I'd like one of your boards.
Question: Why don't you just go with a BLDC gear pump with full flow/pressure control? Then you could have a decent-style graph where you change the flowrate or the pressure over time by adjusting some sliders?
I have a mod in the works replacing a vibe pump for a BLDC gear pump. It will be totally analog, so the end result will be a little box with a potentiometer 0-5V controlling the pump and a tachometer display that will show the ml/s which I can derive from the rpm.
I'd LOVE to have a profile programmed that I could run every time the pump comes on, but that's beyond me. Maybe you can do it and sell me a board? lol.
EDIT: I see you did that already on your previous machine minus the board control of the pump. Any plans to work on that?
Glad you saw the other video! Yes this video was mostly focused on the idea of the capabilities of a machine without modifying anything but the circuit board.
The Rocket was a much different story. That machine does control the pump from the circuit board, however it doesn't have any feedback control loops quite yet. Unfortunately the circuit board isn't quite ready to sell, but happy to hear your interest! 🤓
Duuuuuuuuude
Full marks for the labels on your PCB. Sounds dumb, but you could splice in a vibe pump and fully modulate the flow for cheap. It would seem like a shame, but if you make it easily reversible, you could see if it's worthwhile rather than going full gear pump $$$.
😂 that's doesn't sound dumb at all! I'm literally working on that exact idea, my experience with gear pumps is they're simply too expensive and love the idea of having the same functionality with a vibe pump
GS3 ignorant here. does the gs3 volumetric flow meter include a flow sensor at puck level? does gs3 have pressure sensor at puck level? cool mods and i always liked engineering
Thanks! The flowmeter is downstream of the pump and reasonably accurate since it doesn't use an opv to maintain the pressure. I usually see it accurate to about a half a gram. The pressure gauge for the brew pressure is just at the boiler, not the puck. However the GS3 MP version does have a pressure gauge at the puck
Do you have some ideas about adding flow control to Rancilio Silvia Pro? Maybe by electrical dimming of the vibration pump?
Check out my first video on the Silvia! I go into why I didn't go down that route
Well I’m disappointed at the high speed of the DF83 flat burr and now I’m searching online for some power controller to see If I can run it at a lower power without killing it. The motor tends to overheat so I wonder if it’s being fed too much power which could make lower power operation possible (since lower power would tend to kill a motor) but after seeing this vid it maybe worth a try. 😅
Ohh sounds like an interesting project! Would love to hook up a variable frequency drive to one of those
very cool and intresting video. didnt understand 100% but still awsome. what scale are you using in the video?
Thanks! I'm using the acaia pyxis 🤏
Awesome work! I noticed you steam boiler is off. Any impact on the temperature stability of the brew water?
Good catch! I have noticed the brew boiler losing a couple degrees during brewing, but some would say that's a good thing. I've got temperature profiling 😅
Can the new app for the GS3 do what this mod does?
Does the new app do what this mod does?
What about something like the ECM Mechanika V Slim?
Do you have any modifications for the rocket espresso? R nine one
Can you do this with the GS3 MP?
Is something like this possible on the Micra?
Do you actually need to have the machine plumed to water supply or can that work also with the reservoir for this to actually work? I use the reservoir and never got aware of the 'natural water pressure' without the pump being on...
Hi thanks for reaching out! Yes, this whole video was actually recorded with the machine connected to a reservoir. This behavior you're seeing is very similar to the gravity-fed prewetting you see on the Silvia pro x
Finally. A non-weird coffee machine modding person who actually knows stuff.
hitting up all my girlfriends
What is the possibility of getting an HX machine with a rotary pump to actually have variable pressure rates that mimic a leva extraction?"
Sorry to say that rotary pumps almost always run on AC voltage which is at a constant frequency and thus a constant pressure. Variable pressure requires either a DC motor'd gear pump or a pulse control system using a vibratory pump, as seen in the Decent Espresso Machine
Does the pump support pwm modulation to regulate pressure in a wide range programmatically?
Good question! Unfortunately PWM only works for DC power, whereas rotary pumps in most commercial equipment like a gs3 almost always runs on an AC pump.
Would love a response
Hello Tate, this is an awesome project! I really want to try to build your controller so I downloaded the files on Github. But I just cannot find the "schematics.png" and the "layout.png" for the Brewhob One circuit board. What am I doing wrong? Also, is your phone showing an app or a webpage from a websever in the Arduino IoT 33?
Hi, happy to hear you've downloaded the files! Sorry to say I don't have the schematics included, those arent quite ready to be released yet. The app I'm using is the official Arduino IoT app which is hosted from their servers, I am not using a web server on the Arduino itself
@@tatemazer Ok, are you planning to release the schematic diagram sometime in the future? Or even a Gerber file? Or will you sell cards? What are your plans for this project?
❤@tatemazer it’s just amazing!! Following your stuff since the fire videos from the lines classic you where modding❤
Is the board available for sale? I would take at least five for all the dead machineprojekts over here 😂
@@tatemazer Awesome video. Just wondering. The Brewhob 0.1 is using an ESP, while the "ONE" is using an Arduino. Any specific reason for that? I'd love to get this integrated in ie: Home Assistant, or exposing metrics through a prom client, and I guess that's a bit easier on an ESP compared to Arduino.
Sound of Turkish burrs grinding here 🤔
Nope! Just standard multipurpose burrs
A real tease posting a video like this, . . . . . any plans to make this available? GS3 Av here.
I agree 😭 my most recent video is a part of the version I want to release. Sadly this version was a bit too unstable 😞
Another amazing video. Was neat seeing the Brewhob. If you end up doing a Gaggia, consider wactching this - th-cam.com/video/EJFadpL9aOE/w-d-xo.html
what tool drawer unit is that? :O the finish looks nice!
Thanks! its a vintage Kennedy Unit that belonged to my grandfather
Can you sell me one of these for my GS3?
Sorry to say these aren't ready for sale, but keep following the videos for updates!
@@tatemazer thank you sir
Male
Thanks for contributing to the ratio, frank 😎😎
😂😂😂…was für ein Blödsinn!
Sorry you didn't like it!