Reflow Master is a toaster oven Reflow Controller that now also includes a new Bake Mode!Designed by Unexpected Maker in Australia
Reflow Master is a toaster oven Reflow Controller with a color interface and graphical display of the reflow process. Reflow Master includes FREE Standard Shipping In Australia and Overseas Standar...Read More…
Reflow Master is a toaster oven Reflow Controller with a color interface and graphical display of the reflow process.
Reflow Master includes FREE Standard Shipping In Australia and Overseas
Standard Shipping is currently experiencing long delays. If you need your Reflow Master sooner, please choose a faster shipping method at checkout
I made Reflow Master for my own toaster oven, and the project took off from there. I've had a lot of interest shown on my youtube channel from other makers and electronic hobbyists, with a few asking to buy a finished version... and so I kept refining and now it's an easy to use, intuitive and reliable reflow controller for a toaster oven or other element controlled reflow system.
Apart from being totally Open Source, it's killer features are it's easy to use interface and beautiful reflow graph. It comes with a small selection of built in solder paste profiles, and due to it's open source nature (both hardware and software) you are able to add your own profiles in code and re-flash Reflow Master to suit your needs using the USB connector and the Arduino IDE.
I've added a bake mode to Reflow Master which you can use to dry your 3d printer filament, bake your RGB LEDs or dry your PCBs after they've been ultrasonically cleaned!
You will need to provide the following items to connect to your oven and Reflow Master:
You can also have me print you a case for your Reflow Master - Just select the case option above.
That's a valid question... Every toaster oven is different and mains power is obviously not universal and is dangerous to play with. I don't feel comfortable supplying a generic "Chinese unbranded SSR" that might be unreliable or inadequate for your specific use case. I could supply something I am prepared to endorse & support, but it would be considerably cheaper for you to source one yourself - rather than me buy one and reship it to you.
This is the SSR that I use ( 15A Model ):
Yes, the K-Type thermocouple I supply is good enough for most environments and use cases, but if you are using your Reflow Master in an area that suffers from high frequency noise from power or mobile antennas etc, you may get some extra noise in your temperature readings.
If that is the case, you might want to invest in a better thermocouple, something that is really well shielded in metal or glass, like one of these... https://www.adafruit.com/product/270
Also, if you plan on reflowing high temperature pastes 190deg+, I'd definitely recommend a glass shielded thermocouple to ensure the probe shield can withstand the 200deg+ temperatures required for reflow.
From my own experience and from working with other makers that use both toaster ovens and my Reflow Master, there are 2 key requirements for a toaster oven to be usable as a reflow oven: It needs to be small and powerful - so ideally you want an oven that is 18 Litres or lower in capacity, with 1300W or higher in power.
If your oven is too big or under powered, or both, then your oven will not be able to get to the initial profile temperature in time to allow for an adequate pre-soak time. You MIGHT still get a successful reflow, but it will likely be out of the guidelines from your solder paste manufacturer - so you'll need to check your specifications for your paste to assess the repercussions.
The smaller the oven, the faster it will heat, just like the higher the power, the faster it will heat. Having a smaller and more powerful oven is the safest bet.
The oven I use is no longer available for purchase, but here is a similar oven that's a bit smaller than what I use, but seems quite adequate:
That's what I used to do, but I also used to spend quite a bit of time trouble shooting my boards afterwards. The solder paste manufacturers spend a lot of time formulating their chemical compositions and graphs to ensure the best results. Also, who want's to sit around watching every board reflow? With Reflow Master just put your board(s) in, press start and work on something else until it beeps!
The heart of the Reflow Master is a SAMD21G micro-controller running my own custom (NON PID) codebase. The Reflow Master is powered by a 5V Micro-B USB port, that also allows for re-programming via the Arduino IDE.
Toaster ovens don't change temperature very quickly, and reflow profiles require a quick drop off at the end of the reflow process, so I have included an option to plug in a 5V DC fan that will kick in at the start of the first profile cool-down stage, to help reduce the temperature faster to match the profile.
Even with the fan, your oven will likely not reduce temperature to match the entire drop, so the Reflow Matser will also BUZZ and show a message when it's time to open the oven door.
You don't have to attach a fan, you can just open the oven door when it's time for the reflow to go into cool down, but with the fan in place it's one less thing to worry about :-)
This project is open source, so the PCB design files, gerbers and STL files for the 3D printed parts are all available below in my Unexpected Maker Github. If you'd like to get your own PCB's printed and 3D print your own holders, that's ok with me!
The code base is also open source. You are free to hack it, or even contribute to the main repo by doing a pull request for your changes to be added.
VIVA LA OPEN SOURCE HARDWARE!
Due to the nature of this product, you may charged a customs or duty fee when the package enters your country. Though I hope it wont happen to you, it's completely out of my hands if it does, sorry.
Check out my youtube channel to see the history of the Reflow Master as well as lots of other videos about the projects I work on!
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Due to the state of global freight delays, I am limited in the number of countries I am able to ship to, and shipping times are out of my control.
If your country is not currently available to purchase from, I'm sorry. I'm re-evaluating the list every few days.
Shipping to Australian customers is un-interupted.
More info: https://unexpectedmaker.com/purchase-request
I'm really sorry, Seon - Unexpected Maker
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Jason | Aug. 30, 2018
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