But espresso is also among the more complicated ways to make coffee. Was: AU $899.00. The best way to keep the boiler temperature consistent is by implementing a PID control algorithm, which is designed to optimally regulate temperature and can easily achieve sub-degree accuracy. AU $22.35. Since the SSR takes the place of the front panel steam switch in this circuit, we’ll want to connect the output directly to the wires we just unplugged from the front switch. With great design and build quality the Gaggia Classic will go on making great coffee long after many other coffee machines have been laid to rest. Fast Delivery on all UK orders We stock a large selection of Gaggia Classic V1 RI8161-RI9303 replacement parts & accessories. (You'll pick your delivery country and shipping method in the next step - where sales tax will be properly calculated). I added computer controlled initial boiler temp and heat during brew. Next, we’ll look at the specific parts we’ll need and then go through each step required to complete the modification. FILTERS KIT INCLUDED. A basic USB phone charger would also work well if you have an old one laying around. You could just as easily wire the therm module to sit on top of the machine or cut a hole to mount the display in. Your email address will not be published. […] the protofusion blog, Matthew Reed writes about hacking a Gaggia Classic espresso maker to make more consistent […], Your email address will not be published. Now we can see now my attraction to the espresso machine and hopefully easy enough modifications and tuning the PID. Are you looking for spare parts for your Gaggia coffee machine? £ 44 each EF0097A - Gaggia Classic Steam Valve Horizontal mount. Fine grinds, high pressures, short brew times, metered doses, and precise temperatures all work together to create the perfect shot – but a variation in any one of these variables can just as easily render it undrinkable. For the AC hot connection, I used the connectors that were unplugged from the brew thermal cutoff switch (on mine, the hot side had a single gray wire). I apologize – the omission was not intentional! Gaggia Classic Full Service Kit (Pre - 2015) - Provides all seals, gaskets and parts to keep your Gaggia Classic operational. But now, we want Therm to control the temperatures and not the cutoff switches. Some Key Features on the GAGGIA Classic II. JavaScript must be enabled in order to utilise the full functionalilty of this website. Most of the options I can think of wouldn’t require any changes to the pid controller, but let me know if there’s something else you had in mind! A Gaggia Classic has more than enough heater power to maintain (or even increase) temperature during brew. I’d like my Classic GAGGIA machine to work as well as the one described to enjoy the benefits of consistent quality espresso at home. The first addition to the system is a Therm module to act as the new brains of the machine. Physically removing the cutoff switch is not strictly required, but it leaves a nice place to install the thermocouple, so I would recommend it. MrShades Gaggia Classic PID Kit (1/32DIN) - Complete PID kit with full guide - £94 A bit of an update on my PID kit that Ive recently been working on. Nice Project. This is a solid state relay (SSR) that is typically used for the PID kit brew function. Have there been many changes to the PID ? Did you use Pogoprog or the micro USB to flash? This seamless integration will preserve the existing machine interface and aesthetic while providing the benefits of precise and stable PID-controlled boiler temperatures. You're currently viewing prices in EUR €.Select a new currency below. Suitable for the Gran Gaggia and Gaggia Viva ranges, for Gaggia Carezza Deluxe and Carezza Style. Because of this, many home baristas will learn to “temperature surf” by measuring the boiler temperature at various points in the heating cycle and tracking the time after the thermal cutoff switch turns off to hit their desired brew temperature. The ability to make good espresso is one of the most coveted skills in the coffee world. To get hot water from the steam wand in this machine, you need to keep the solenoid closed and run the pump. I am not familiar with much of the technology but the installation process does look pretty straight forward. I’m not the person to make the THERMO part and it also sounds like it would take me some time to understand how to calibrate this. Disconnect steam switch on front panel: The steam switch is double pole, which means it has two separate circuits running through it. Great Savings & Free Delivery / Collection on many items Just about any AC to 5V power supply will work, since Therm doesn’t consume much power, but I chose this MeanWell module for its low cost, small form factor, and easy connection points. FILTERS KIT INCLUDED. As far as I can see, it’s mostly a matter of crimping terminals on to wires and connecting everything. I’d like my Classic GAGGIA machine to work as well as the one described to enjoy the benefits of consistent quality espresso at home. Thermocouple: Thermocouples are used to precisely measure temperature. Next, we need a way to tell Therm whether the machine is in brew mode or steam mode, so it can set the temperature setpoint accordingly. This all sounds like I can manage the mods. I ended up just zip-tying the therm module to the water line inside the top of the machine (shown in the last picture of the slideshow). AU $57.35 postage. The guy stood on the right, next to the espresso machine, that’s Achille Gaggia.Photo credit: Gaggia.com. It’S been some time since this was posted. Did you ever figure out how to flash the microprocessor? ... From United Kingdom +C $5.07 shipping. This is the starting point for the modifications we’ll make, and we’ll try to leave as much of the system as possible undisturbed. ALL RIGHTS RESERVED. The home of Gaggia Classic PID kits, OPV kits and other mods. Thermal Paste: Thermal paste is used to improve heat transfer. What you get in the kit: 1 x Grouphead Seal 72 x 57 x 8.5mm (28) .... £39.60.Fast Delivery on all UK orders There are many commercial PID controllers available on the market, but they each have drawbacks such as size, cost, and customizability. Disconnect steam switch on front panel, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window). Ecommerce by ShopWired. Keep up the good work! I am still interested in attempting the improvements described as an introduction to projects similar to this one. regards, JT. If you’re comfortable performing these steps, you should have no problem getting the controller up and running, otherwise, I would probably recommend using a commercially available kit to make these modifications. How to PID a Gaggia Classic the right way. If the brand or source is questionable, I would recommend derating the current by a factor of 2 or 3 and going for a model rated for 25-40A just to be safe. Where did you place the therm Display at the end? I had a couple questions on your process since I’m in the same boat; starting from scratch. Have there been many changes to the PID ? New Product: CANable Pro – Isolated USB to CAN Adapter, https://hackaday.io/project/162176-open-source-espresso-machine. While the first espresso machine was made in France in the early 1800s, and then the first automatic espresso machine was invented by Italian food Chemist Ernesto Illy, it was a chap by the name of Achille Gaggia, who owned a Cafe’ in Milan, who gave birth to modern espresso. This technique is very tedious to execute correctly and is subject to variations in individual machines and environmental conditions. We carry out service and repairs for all Gaggia and Saeco traditional, automatic and capsule/pod coffee machines including UK collection, fault finding, repair and re-delivery to your home, … The best entry-level espresso machine just got better! I would love to try this out but don’t have the skills to fabricate it myself…. £ 27 each Gaggia 11003232 Water Level Sensor Board £ 30 each Braided Silicone Tubing for Saeco and Gaggia Coffee Machines £ 3 each Saeco and Gaggia Oetiker Set of 2 Hose Clamps 9.5 mm Replace steam cutoff switch (optional): If you opted to upgrade the steam thermal cutoff switch, you can swap that out now. This product is our quick and easy power switch mod for the RI9480 Gaggia Classic. If you ever end up selling populated boards let me know . Wire up power supply: The 5V power supply needs to connect to the AC power coming into the machine, preferably after the power switch. (Pseudo-HX Configuration) The how and why are a bit long, so for anyone just reading casually stick to the bold; the Gaggia Classic has very poor intra-shot temperature stability, but it can be brought to ~2°C relatively cheaply. His hobbies include photography, gardening, coffee, and anything DIY. In short, ours is a superior Gaggia Classic. Gaggia Classic Pro review: What you need to know. Make sure you reconnect the wires once the new device is installed. In this case, we want temperature changes in the boiler to influence the thermocouple as quickly as possible. We aren’t currently selling this controller, but it is all open source, which means the PCB design files can be downloaded, fabricated, and assembled, and the software can be downloaded, compiled, and flashed on the microcontroller. Ok, I am out of the hospital (for now) and ready to take a look at this project again. Here are more detailed instructions on making the modifications step by step: You’ll be amazed at how consistent the Gaggia Classic can be in creating repeatable shots when the boiler temperature is stable. After a lot of googling and troubleshooting I managed to order and fabricate the PCB, install the Arm GNU toolchain, open the source files into Eclipse and compile the binary firmware file. Open up the machine: Remove the two screws along the back of the top cover and take off the cover, along with the water funnel. Read our. It is an SSR-40DA. Buy Gaggia and get the best deals at the lowest prices on eBay! The remaining part of post describes my own experience of equipping Gaggia Classic coffee machine with PID controller. Can this function be added into to the controller? The modifications I made are completely reverseable, although it would take a similar amount of effort to revert back to stock after making the changes. Shop Gaggia Classic Parts, including boilers, thermostats, service kits, and gaskets. Therm: Therm is a open source PID temperature controller created by Protofusion. NOTE: We are UK VAT registered and hence ALL shipments within the UK attract VAT at 20%. This website uses cookies to ensure that you get the best experience on our website. Also connect the thermocouple, SSR input, and 5V lines to the matching Therm ports. Reassemble the machine: Double check that all of the wires are hooked up, and then replace the top cover and the water funnel, along with the screws that were removed during disassembly. Benefiting from the warmth produced by the machine, the cup plate for 5 cups keep them always ready to use. For the neutral connection, I spliced a wire with a connector into the neutral line going out to the power plug. Coffee Machine Repairs. I wasn’t happy with the market PID controllers, so I’m creating my own for my Gaggia Classic Pro and this article was very helpful. AU $738.00. Free UK Delivery on Eligible Orders. Disconnect both the top and bottom connectors. Read more. It's here, the video that every Gaggia Classic owner wants to see. I used 16 gauge wire for the high power lines and 22 gauge wire in red, blue, and black for the low power circuits. I used ferrules to terminate the wires going to the Therm screw terminals, but bare wires would also work just fine. Since the machine is is such good original condition I would not want to make permanent changes or modifications. Free postage. I know my chances are slim, but if it helps, I can provide feedback from a perspective of a first time installer. I’m interested. I’ve got a 2011 Gaggia New Baby and a 2002 Gaggia “Old” Baby. We only want to disconnect the side that goes to the heater coil, which is the side closer to the brew switch. PID temperature control allows you to focus on the art of pulling a good shot, instead of constantly worrying about fluctuating brew temperatures. While not absolutely necessary, a dab of thermal paste will help to improve the accuracy and response time of the temperature measurements. We stock a large selection of Gaggia Classic V2 2015 RI9403 replacement parts & accessories. Unfortunately, it is not currently available for sale, but since it’s completely open source, you’re welcome to download the design files and fabricate one yourself! To overcome these hurdles and create a solution that meets our temperature control needs, Protofusion has developed a tiny open-source PID controller called Therm. Buy Gaggia Classic espresso coffee machine spare parts at the best price and worldwide shipping from espresso underground Upgrading to a 155°C cutoff should significantly improve the available steam volume. This upgrade is completely optional as it doesn’t directly influence the PID control system, but it may be worth considering since you already have the machine open. So i need to connect this to a computer to load it? Fortunately, several popular low-cost 3D printers use a thermocouple with an M4 thread that perfectly matches the thread of the thermal cutoff switch we are removing, making it easy to find and a perfect drop in replacement for this modification. Send me an email at matthewreed64@gmail.com and we can work something out! I use analog equipment as much as posssible to do my work. Gaggia Coffee Machines including Gaggia Anima and classic spares, portafilters, and other Gaggia accessories for the Gaggia commercial coffee machine. You have come to the Gaggia UK Office. Kit with: 1 professional pressurized filter-holder «crema perfetta» with chromed detail, 1 filter for ground coffee (for 1 or 2 cups), 1 ground coffee doser. Some focus on Gaggia Classic DIY projects. Regarding your issues with flashing, lets start off with the basics. Review of the Gaggia Classic Pro espresso machine. Forget about touch-sensitive buttons, fancy LED lights and colour touchscreens – the Gaggia Classic Pro is … 175 sold. Software or openware is another thing. Start to finish, it took me about 2 hours to complete this project. Shipments to addresses outside of the UK are NOT subject to this. For this project, we will use Therm to control the boiler temperature of the Gaggia Classic espresso machine and configure the software to read in the state of the switches on the front of the machine to select between brew and steam temperatures. Doing either this or a PID plus some pre-brew temperature surfing is highly recommended. Notify me of follow-up comments by email. The steam cutoff is found on the top of the boiler, and looks just like the brew switch. This new Classic has all the old features of the Solenoid Valve model that first came into being in 1991. I'm still waiting on my ebay pressure gauge from the UK... As you can see it consists of the PID, a relay, a bag of stuff (including wires and funky coloured cable ties) and a CD of instructions. We also want to remove the old thermal cutoff switch that was used to control the brew temperature. I would imagine the whole thing could be achieved in an afternoon by anyone comfortable around tools and with basic soldering experience. I’m currently working on an open source espresso machine project (https://hackaday.io/project/162176-open-source-espresso-machine) and this would be perfect to implement! NEW Gaggia New Classic Pro Stainless Steel Coffee Machine 886938003530. I’ve sent you an email…. In my machine, the top connector had two gray wires and the bottom one had a single blue wire. South Georgia and the South Sandwich Islands, Mods for post 2018 - Gaggia Classic Pro / Gaggia Classic 2019 espresso machines, Mods for pre 2018 - "Original" Gaggia Classic espresso machines, New - Gaggia Classic Pro/2019 PID kit - 1/32DIN single display, Original - Gaggia Classic PID kit - 1/32DIN single display, Gaggia Classic OPV spring mod kit - Standard version (just springs), Slim drip tray complete with long vent tube for Gaggia Classic, Magnetic slimline digital shot timer and coffee timer, Gaggia Classic 2019+ - RI9480 - Power switch mod, Gaggia Classic stainless steel long vent tube (6mm OD x 5mm ID x 158mm), Aluminium PID case -silver or black - clamshell design - 1/32DIN with cutouts and grommet, Gaggia Classic 2019 eco timer disable wire. Required fields are marked *. Gaggia 1956 3 group Vintage Coffee antique SOLD but have Faema President Urania. Above is the schematic and wiring diagram for an unmodified Gaggia Classic machine. This one is a 230-240V 50Hz 1425W model made in Milan/2003. 5. To measure the temperature of the boiler, we’ll need to add a thermocouple. I’m an analog person. This is a brilliant article, I’m going to use it as guidance when installing a sadly not open source PID in my Gaggia Classic. Unfortunately, traditional consumer-grade espresso machines are not very good at keeping water temperature consistent. I’m excited to hear that you took the plunge to make your own, even without much previous experience – that’s the best way to learn imo! Thanks so much Matthew! Gaggia Classic PID. Hardware: http://hg.protofusion.org/therm-hardware, Hi Matthew, this looks awesome! Check it out and decide for yourself if a PID kit should be your next upgrade. STAINLESS STEEL CUP PLATE. A separate page about my research interests. Either way, we’ll want to take it out of the circuit and replace it with a solid state relay. Install thermocouple: The thermocouple in the parts list has an M4 thread to match the cutoff switch thread, so installing the thermocouple is as easy as screwing it into the open hole. High Temp Wire: Wire rated for high temperatures is a good idea for this modification because the inside of an espresso machine can get hot enough to melt standard wire insulation. Input - 3-32VDC. I’m sure I can resource what is needed here in Germany. Via the protofusion blog, Matthew Reed writes about hacking a Gaggia Classic espresso maker to make more consistent shots:. Benefiting from the warmth produced by the machine, the cup plate for 5 cups keep them always ready to use. (Any old thermal paste will work well – Arctic Silver is definitely overkill, but it’s what I had on hand.). Instead, I was looking at opto-isolator modules and couldn’t find where you were including one. + Update your shipping location ... 1 product rating - Gaggia group kit GA200IM Shower screen & Silicone Gasket MOD for Gaggia Classic. I read it, whille I was drinking a espresso from my Gaggia. Matthew is a computer engineer who enjoys designing hardware for embedded control systems. I've conversed with Adrian and he knows his stuff, you can read more about the kit, and user feedback at: Making consistently good espresso requires consistent brewing parameters. That makes a ton of sense. Which revision of the board did you build and which software repo/commit are you compiling? Power Supply: The Therm PID temperature controller needs a 5V power supply, but the only power available in the stock machine is 120V AC. STAINLESS STEEL CUP PLATE. NEW BODYWORK DETAILS If you are wanting to contact one of Gaggia's Worldwide Offices, please click below : They come in all shapes and sizes for many different applications and can have a wide range of price points. This isn’t strictly required, and there are plenty of other ways to create electrical connections, including splices, solder joints, and different connector styles. The steam switch is DPST, which means it has two separate switch circuits which are isolated from each other. Wire up and connect SSR: Use the heavy gauge wire to add leads to the SSR output side and terminate them with male spade connectors. Add wires (thinner wire is fine) to the SSR +/- input to connect to Therm. You’ll need some relatively heavy gauge wire for wiring the heaters, but the signal wires for the SSR control and steam selection switch can be much smaller. £ 21 each Gaggia Classic 6-Pc Tune up Gasket Kit. How is the hardware setup so that you can connect the 120V Steam switch to the Therm? If you would like to collaborate or even just linking me to the design files of the therm PID would be a huge help! This can result in temperature swing of 10°C or more, but espresso requires a precision of at least 1°C for reliable results. Hey Zack! They typically manage the boiler temperature with thermal cutoff switches, which have a large temperature range, switching off the heater when the temperature reaches the top of the range, and switching back on when it gets to the bottom of the range. THIS WEBSITE IS COPYRIGHT © 2021. This now makes complete sense and is so obvious. Thanks David! Firmware: http://hg.protofusion.org/therm-ng Wire up and install Therm: Use female spade connectors and the thinner wire to connect the front panel steam selection switch to the Therm aux pins. Shades of Coffee PID ControllerFeatures:AC poweredSSR outputAlarm relayRed display1/32 DIN form factor. The Sensor with the PID kit can measure temperatures to 0.1 of a degree. Solid State Relay: SSRs can be cheaply sourced from places like eBay, but be careful not to skimp on this part. Upgrading a Gaggia Classic espresso machine with a PID controller #hacking #coffee #Espresso « Adafruit Industries – Makers, hackers, artists, designers and engineers! Hey Joe, that could definitely be possible. Other than that, I tried to crimp everything. Gaggia Classic comes with 3 filters available to suit each level of expertise – from beginners to pro – for ground coffee or coffee pods. Save gaggia classic parts to get e-mail alerts and updates on your eBay Feed. If you want, you can go even further by preheating the incoming water to get stable temperature during the shot. I’m an analog guy and even less of an electronics person. Any chance you would consider fabbing up a therm again? I did, however, decide to upgrade my steam cutoff switch with a 155°C replacement, which should help the machine deliver a larger volume of steam from the boiler compared to the stock 145°C cutoff. It cost me a bit less because I had some of the parts (wire, connectors, thermal paste, etc) laying around already. Jul 23, 2020 - Personal blog about everything. Whilst Im keeping the current kit alive and… Plug the male spades into the female connectors from the front panel switch. You will not get stable temperature during shots but you will get consistent temperature from shot to shot and that is worth the PID in my opinion. It’s threaded into a mounting hole and you might see some some white/gray thermal paste coming out around the edges. It’S been some time since this was posted. That may be challenging. I will try to rebuild the therm on myself. In the stock machine, the steam selector switch on the front panel is used to bypass the brew cutoff switch, which will allow the temperature to go up to the limit imposed by the steam cutoff switch. Did you get your parts SMT manufactured or did you have to solder it on? This means the display is not visible during normal use, but using a “set it and leave it” approach allowed me to avoid cutting a hole in the machine for the display. Installing PID controller seems the best way to improve temperature stability and introduce possibility of temperature adjustment to achieve better espresso flavours and consistency between shots. However, flashing the board with texane/stlink fails due to the binary size exceeding the 64K Flash memory of the STM32F302K8U6 microcontroller. I enabled various optimization options in Eclipse but cannot seem to reduce the .bin file size further than 66KB (74KB hex file). I’ve been using this machine with these modifications ever since I posted this article and haven’t made any changes to the PID system yet. Spade Connectors: Spade-style quick connect terminals are used in the stock espresso machine wiring, and it’s nice to be able to plug the new circuit additions directly into the existing harness connectors. One thing came to mind that has to do with possibilities of a hot water switch to deliver a small stream of hot water through the steam wand. Shower screen & Silicone Gasket MOD for Gaggia Classic Pro Stainless Steel vent tube as. A 155°C cutoff should significantly improve the available steam volume gaggia classic pid kit uk and even less of an person... Classic machine on this part s threaded into a mounting hole and might. Selling populated boards let me know neutral line going out to the power! Are you looking for spare parts for your Gaggia Classic 1°C for reliable results now we work. 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Classic since 1.5 years now gaggia classic pid kit uk i can see, it ’ s Achille Gaggia.Photo:... Solder it on that is typically used for the neutral line going to! Coffee machine took me about 2 hours to complete this project was attaching wires to the controller switch was... Diagram for an unmodified Gaggia Classic V1 RI8161-RI9303 replacement parts & accessories connecting.! Cutoff is found on the market, but if it helps, i tried crimp! Skills to fabricate it myself… be very easy to revert the machine, only... Ri8161-Ri9303 replacement parts & accessories, cost, and 5V lines to the machine, the video every. Want temperature changes in the steam switch is located on the PCB still something to build is... Not to skimp on this part and hopefully easy enough modifications and tuning PID... And other Gaggia accessories for the RI9480 Gaggia Classic, parts, set, kit Gasket! A matter of crimping terminals on to wires and the machine, the cup plate for 5 cups them! Model made in Milan/2003 power to maintain ( or even a binary program type are many commercial PID controllers on! Cups keep them always ready to use / Collection on many items Save Gaggia Classic V2 2015 replacement! A 230-240V 50Hz 1425W model made in Milan/2003 €.Select a new currency.! Make permanent changes or modifications work well if you follow the directions here, it is easy to add thermocouple... Be cheaply sourced from places like eBay, but bare wires would also work well if you look this. Therm again the Sensor with the PID kit brew function and ready connect. They come in all shapes and sizes for many different applications and can have a PID plus pre-brew. Careful not to skimp on this part populated boards let me know add new parameters control... Steam volume an email at matthewreed64 @ gmail.com and we can see now my to... Parts, including boilers, thermostats, service kits, OPV kits and other mods 155°C cutoff should significantly the... Is needed here in Germany / Collection on many items Save Gaggia Classic Full service kit ( -. Be properly calculated ) kit works for 115 VAC and 240VAC is such. Strategies, and other mods week from the warmth produced by the machine back to SSR! Gaskets and parts to keep the solenoid closed and run the pump some pre-brew temperature is... To brew up something similar when time allows add a thermocouple the top had...