At the time, i was romantically involved with a female applications engineer who had. The controller board is based on the arduino leonardos atmega32u4. Surface mount soldering is peformed in a temperature controlled oven so that the components solder themselves to the circuit board. The software uses pid control of the heater and fan output for.
Toaster oven is cheap and provides better, more even heating than a hot skillet. Reflowoven controller pid and performance tuning smt. Brett beauregard has made a gui frontend to control an arduino. Now that you have all the hardware set up, lets go through how to set up the software. Since our toaster oven has elements on both top and bottom the top elements heats up much faster, a toaster oven would have the same achilles heal, melting the softer components on the top side of the pcb. Reflow oven controller arduinobased reflow oven controller with. Ive been using my toastrreflow oven for many months now and i love it. Tft or derivate display solely controlled using a cheap rotary encoder and its single button stores up to 30 temperature profiles in eeprom configurable. Reflow toaster oven using an arduino pic microcontroller.
I did build a controller myself some years ago, but i only use it to monitor the temperature, ot does no profiling itself. The temperature profile is read from a simple text file on an sd card. One can find some projects on the internet that are similar but i decided that i would post this project for those that are in the process of determining if they wish to create their own and what would be needed to do so. The current firmware is borrowing heavily from the rocket scream arduino reflow shield. Can i use the same setup with my hotplate laboratory quality or do i have to introduce other hardware to the equation. The controller was designed and built around an esp32devkitc development board with ancillary electronics added to complete the controller. Turn your toaster oven into your own solder reflow factory shop using the ref check out reflow master shield arduino solder reflow oven on indiegogo. The reflowduino is a completely opensource, arduinocompatible wireless reflow oven controller packed. The sample arduino program provided by rocket scream uses a few. Reflow feedback if you connect controleo2 to a computer you can track the reflow progress and get data to plot a reflow temperature graph. Most of us simply cant afford an industrial reflow oven and this pain was also felt by the folks over at rocket scream electronics.
Reflowoven controller pid and performance tuning after final assembly of the reflow oven, i knew i need to test and tune the pid parameters. Reflow oven controller renewable energy innovation. Arduino reflow oven code with menu,162 lcd, 2 buttons. This device controls a pizza oven to produce temperature ramps to use it as a reflow oven. I also examined dynamic characteristics of the oven by looking at its transient response to a step input power. Its not well liked amongst those that actually use their kitchen appliances for cooking. This video shows you how i built my first toaster reflow oven controlled by an arduino uno with a rocketscream toaster reflow oven shield. The reflowduino is a fully opensource arduinocompatible development board that can painlessly transform any cheap toaster oven into a pcb reflow oven. Reflow wizard intelligent software makes it easy to get your oven up and running. The reflowduino is a completely opensource, arduinocompatible wireless reflow oven controller packed with features find this and other hardware projects on hackster. This reflow oven controller relies on an arduino pro micro, which is similar to the leonardo and easily. Design your own controller for a solder reflow oven projects. Im thinking of using it for smaller jobs, not complete pcb reflows. This shows the build for a simple arduinobased reflow oven controller.
You can use arduino along with something like this thermocouple breakout board and. But after purchasing i saw eevblogs video about smd reflow and saw the same oven from a betalayout kit. An advantage of more higherend reflow ovens is the ability to program several custom thermal profiles and save them in the ovens software. I know toaster oven reflowing has been blogged about everywhere, but i do want to give my version some bells and whistles to provide more convenience. A quick search online tells you to open up your wallet and grab 500 for a decent small oven unless you go half that price and find one in china paying way too much on shipping and tax. Toastrreflow controller from geppetto electronics on tindie. There is also a picture of the hardware i used which was purchased at home depot. Zallus reflow oven controller v2 bezel this is a bezel i designed to compliment the original enclosure on the zallus website and the stand by beaker. Mark 1 is another way of saying theres a lot of work to be done.
Wave packet and phase fired control for ac outputs. The rocket scream reflow oven controller shield schematics, pcb. Esp32 arduino based reflow oven controller schematics and firmware. Reflow oven controller for soldering of smd components based on arduino. The builtin control is disconnected and the heater is controlled through an optossr optocoupled solid state relay. The secret to miniaturization is surface mount soldering. The shield is based off the familiar max6675 thermocouple amplifier and the pid library written by brett beauregard. Some controllers just allow the oven to plug in so you dont need to take the oven apart while others integrate completely inside the oven more work but a much better product in the end. Buy products related to reflow oven products and see what customers say about reflow oven products on free delivery possible on eligible purchases.
By the end youll be so pumped to design and implement your own projects. Experiences with a reflow oven controller shield for arduino. Good, that was a relief, now im assured it works reliably. Reflow oven controller board powered by 12 volts adapter reflow oven controller board powerwd by pcs usb reflow oven controller demo oven prototype. It sports an atmega32u4 microcontroller, thermocouple interface, lipo battery charging, and bluetooth low energy ble capabilities for interfacing with a custom mobile app.
This is an example firmware for our arduino compatible reflow oven controller. Today, we make a surface mount soldering or reflow oven using a regular countertop toaster oven and an arduino. One of the current project we are working on is an arduino based reflow oven controller. This project was started and finished a few years ago. After some online research, ive decided to build a reflow toaster oven using an arduinobased controller. We have been using smt based components for a long time and hand soldering them for bigger batch of boards seems to be rather a long and tedious process. Download esp32 arduino reflow oven controller for free. Sayers toastrreflow controller kit paired with the toastrreflow power board kit is a great way to get into the wonderful world of surface mount technology smt. Pid controller for a diy reflow solder oven helentronica. This makes changing the temperature profile very easy, without any new code to upload. A reflow oven is one of the most useful tools for hardware developers.
Esp32 arduino based reflow oven controller schematics and. First of all you will need to download the two libraries that i have not written myself. Arduino stack exchange is a question and answer site for developers of opensource hardware and software that is compatible with arduino. Reflow oven controller with graphics tft use arduino for. Pid loop control wave packet and phase fired control for ac outputs graphic tft lcdisplay, drawing the temperature curves using an adafruit 1. Introduction some time ago i started a project of reusing an old, crappy toaster oven as a reflow solder oven. This is a video showing the general operation of reflowduino, a fully opensource, arduinocompatible reflow oven controller. Insulation is a important concern when you are building a. A reflow oven is one of the most useful tools you will ever have, and if you havent built one yet, now is as good a time as any. This will not be the ordinary shortest possible description of how to build a reflow oven but instead a learning journey taking its time to reach the goal and hopefully picking up some new knowledge as we go. Xtoaster is a controller board designed to convert any common toaster oven into an smt reflow oven.
The main culprit in our case was the overhead heating elements in our industrial reflow oven. The arduinobased reflow oven controller comes with. Ive been working on reflowduino, a fully opensource arduinocompatible diy reflow oven controller board based on the atmega32u4 and with bluetooth and lipo battery input and charging. I hope you will tag along and see how this arduino reflow oven turns out. It does, however hit all the major points i was looking for in a reflow soldering device it has top and bottom heating elements with a combined output of 1500w, and it has a convection fan. To simplify the reading of the thermocouple i have used a library for the thermocouple max6675 from adafruit. A reflow oven is used in the production of electronics to change solder paste from a paste form to a liquid form and lastly to a solid form. This results in all your components being soldered for you in one run. You can view the full documentation on my github page here. After the first run i relocated the thermocouple to a scrap board actually on the tray.
How to choose a pcb reflow oven for efficient pcb solder. The reflow curve used in this firmware is meant for leadfree profile its even easier for leaded process. The reflowduino project is an entire doityourself diy reflow ecosystem consisting of opensource hardware specifically built to make it easy to control reflow appliances and apply pid temperature control while maintaining full flexibility in programming and usage while offering a. Need to develop reflow oven code for arduino with menus display should be used is 16 2 lcd and 2 button for temp value increase menu. Im still working on documenting the actual toaster oven tutorial but should have that done soon. Reflow oven controller motherboard for arduino pro micro. What i found to be very helpful was buying a getting started with arduino kit and working through every single example. For use as a reflowoven, a slope of 1c to 2c is adequate but an oven that can attain and sustain 260c 500f is needed.
I did some necessary improvements on the oven, like adding a glass wool isolation. All of those impossible to solder surface mount devices are now easier than ever. If you need a reflow oven, you can very easily head down to walmart or target and pick up a toaster oven for fifteen bucks or so. Just need a hole but it will have to offer a steady mount as it will both be. They range from oneoff designs to diy boards to full kits. In fact, this code just changes support to the max31855, disables the buzzer, disables lcd, and provided more output to serial. This converts a basic toaster oven into a temperature controlled reflow oven for making surface mount circuits. This reflow oven controller was built to control a modified toaster oven for the purpose of doing reflow soldering of printed circuit boards. Design your own controller for a solder reflow oven november 17, 2015 by patrick lloyd this tutorial continues the project by showing you how to set up the lowlevel hardware to measure temperature, read the zerocross detector, drive the triac, and print to the serial terminal using a usart. It truly just works and i couldnt be happier with it. Offered by me product is a device that is placed on a rake arduino uno and i have proposed calibration software and a slightly your discretion can make an oven for smd components. Brief this is an example firmware for our arduino compatible reflow oven controller. Having a reflow oven opens up a world of possibilities.
Diy arduino controlled toaster reflow oven build youtube. The sample arduino program provided by rocket scream uses a few arduino libraries. This eliminates the usb to serial chip and helps to avoid the autoreset issue presented into the uno design. A 5v power supply is supplied to the controller board. So armed with an idea and some help from the adafruit reflowduino sample code, the reflow oven controller shield was born. Just a rectangular hole with a bit of space behind for the connectors.
I bought the toaster oven in a local super market for about 40. It is three new things and one old thing that will have to fit on the front panel. The software made some minor adjustments for the second and third runs also, but continued the cycle. When you are into electronics and fabricating your own pcbs you want to have a reflow oven in your lab. In this penultimate installment to the reflow oven project, we will wrap up by quickly going through some basics of the final hardware assembly and the software. Reflow master shield arduino solder reflow oven indiegogo. This is reflow soldering controller for use with a toaster oven as reflow soldering oven. Even without any control electronics, a bonestock toaster oven. The picoreflow software uses the luckily already published. Open vapors open source toaster reflow oven bald engineer. The reflowduino project is an entire doityourself diy reflow ecosystem consisting of opensource hardware specifically built to make it easy to control reflow appliances and apply pid temperature control while maintaining full flexibility in programming and usage while offering a bunch of features.