An opensource cortexm0 halogen reflow oven controller with. Telling of test with recording power use and replaying it. Reflow rig makes smd soldering a wok in the park hackaday. Jun 16, 2014 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. Today, we make a surface mount soldering or reflow oven using a regular countertop toaster oven and an arduino. It sports a versatile atmega32u4 microprocessor with micro usb programming interface. 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. A reflow oven is used to reflow solder surface mount components onto a printed circuit board pcb. Oct 21, 2016 having an arduino based reflow oven controller with a graphic lcd opens up a world of possibilities to solder surface mount devices. Im still working on documenting the actual toaster oven tutorial but should have that done soon. Worked alright but would need some kind of adjustment to be really good. The controller was designed and built around an esp32devkitc development board with ancillary electronics added to complete the. Solid state relay ssr connection header to control an oven. Mark 1 is another way of saying theres a lot of work to be done.
Nov 19, 20 this video shows you how i built my first toaster reflow oven controlled by an arduino uno with a rocketscream toaster reflow oven shield. First of all, the total reflow time is quite long, about 1516 minutes. Reflow master shield arduino solder reflow oven indiegogo. The software uses pid control of the heater and fan output for improved. Utility for plotting data from homemade reflow ovens via serial port. The secret to miniaturization is surface mount soldering. 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 say should be because i havent soldered anything with. The reflowduino is an allinone arduino compatible controller board that i personally designed and built, and it can easily transform a toaster oven into a pcb reflow oven.
You can view the full documentation on my github page here. Can i use the same setup with my hotplate laboratory quality or do i have to introduce other hardware to the equation. 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. Having an arduino based reflow oven controller with a graphic lcd opens up a world of possibilities to solder surface mount devices. Next, the smd components are placed on the board and the board put into the reflow oven. Arduino based via serial port to a pc or notebook running windows 7. I has two heaters, convection fan, door switches well of course, it is microwave oven and very nice stainless steel interior. Insulation is a important concern when you are building a. Nov 04, 2019 download serial profile plotter for reflow ovens for free. Esp32 arduino based reflow oven controller schematics and. First of all, as i previously decided to include a cooling fan, i needed to combine the triac board with the fan to a unit that could be mounted in the oven enclosure.
An advantage of more higherend reflow ovens is the ability to program several custom thermal profiles and save them in the ovens software. Open vapors open source toaster reflow oven bald engineer. But after purchasing i saw eevblogs video about smd reflow and saw the same oven from a betalayout kit. Brief this is an example firmware for our arduino compatible reflow oven controller. Feb 19, 2019 arduino reflow oven 19 posted on february 19, 2019 by sfennl in my previous post i mentioned an idea that i had toyed with the possibility to record the variations of the power applied during a reflow. The two main processes used in industry to build printed circuit boards are wave soldering and reflow using a very large industrial oven that you probably cant afford and if you could afford to buy it you probably couldnt afford to house or run it. They range from oneoff designs to diy boards to full kits. 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 by far the best ive come across and the software is fully open source. The current firmware is borrowing heavily from the rocket scream arduino reflow shield.
Mar 27, 2016 this particular instructable is based on the controleo2 reflow oven controller by peter easton. Good, that was a relief, now im assured it works reliably. It is easy to think that the most important part of the reflow curve is the maximum temperature of 255c 480f. Wire it up now that you have the parts, its time to wire it all up. Mad electron engineering with rick cullen is a participant in the amazon. Max6675 k thermocouple interface with terminal block connection. Im thinking of using it for smaller jobs, not complete pcb reflows. Yes, it is important to build an oven that is capable of reaching those temperatures. Nov 17, 2015 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.
Intermediate full instructions provided 1 hour 9,463 things used in this project. Design your own controller for a solder reflow oven projects. This reflow oven is built around the arduino pro micro, an adafruit tft color lcd, and around two solid state relays, one for the heating elements and one for the convection fan. This reflow oven controller was built to control a modified toaster oven for the purpose of doing reflow soldering of printed circuit boards. Doing a web search, you will find many options for toaster oven reflow controllers. While it has worked reasonably well, recently it has started showing some signs of aging. The serialusb of uno is connected to the pc with a serial terminal program to log the temperature curve for analysis purposes. Reflow oven controller shield most of us simply cant afford an industrial reflow oven and this pain was also felt by the folks over at rocket scream electronics. Reflow oven profile plotter utility is a freeware application to graph temperature vs time data sent typically from a homemade reflow oven controller eg. I am currently on lookout for reflow oven controller i was able to acquire good microwave owen with grill which i am in the process to convert to reflow oven.
Lets quickly recap what a reflow oven is for those that are new around here. Reflowoven controller pid and performance tuning 02062017 at 08. 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. Sign up arduino compatible wireless reflow oven controller ecosystem of opensource hardware. Diy arduino controlled toaster reflow oven build youtube. Reflow toaster oven using an arduino pic microcontroller. How to choose a pcb reflow oven for efficient pcb solder. Surface mount soldering is peformed in a temperature controlled oven so that the components solder themselves to the circuit board. Luckily, if taken one thing at a time it is not that complicated. For a diy reflow setup, most people seem to rely on the trusty thrift store toaster oven as a platform to hack. To build the arduino reflow oven there are a quite a few different things that has to come together. The sample arduino program provided by rocket scream uses a few arduino. So armed with an idea and some help from the adafruit reflowduino sample code, the reflow oven controller shield was born. It can control up to 4 solid state relays ssrs, a servo motor to open the door for cooling at the end of reflow process and a buzzer.
Boost power, separate adjustments for the manual oven, shows remaining time to cool. Lipo battery, 5v micro usb from a laptop or adapter, or both. A reflow oven is one of the most useful tools for hardware developers, a machine used primarily for reflow soldering of surface mount electronic components to printed circuit boards pcb. Experiences with a reflow oven controller shield for arduino. Most toaster ovens are capable of getting to 450f, which is right at the top of the reflow profile. Download serial profile plotter for reflow ovens for free. You can use arduino along with something like this thermocouple breakout. Wave packet and phase fired control for ac outputs.
Reflow oven controller shield adafruit industries makers. The reflowduino is a completely opensource, arduino compatible wireless reflow oven controller packed with features. Esp32 arduino based reflow oven controller schematics and firmware. The reflowduino is a fully opensource arduinocompatible development board that can painlessly transform any cheap toaster oven into a pcb reflow oven.
The controller was designed and built around an esp32devkitc development board with ancillary electronics added to complete the controller. Oct 23, 2017 ive been working on reflowduino, a fully opensource arduino compatible diy reflow oven controller board based on the atmega32u4 and with bluetooth and lipo battery input and charging. Limor fried for creating the max31855 breakout board and arduino library. The reflow curve used in this firmware is meant for leadfree profile its even easier for leaded process. The software uses pid control of the heater and fan output for.
For use as a reflow oven, a slope of 1c to 2c is adequate but an oven that can attain and sustain 260c 500f is needed. The reflowduino is a completely opensource, arduinocompatible wireless reflow oven controller packed. The sample arduino program provided by rocket scream uses a few arduino libraries. Ive had the t962a reflow oven for about a year now. Download esp32 arduino reflow oven controller for free. What are some of the challenges in building a reflow oven. A reflow oven is one of the most useful tools for hardware developers. I decided to put together a toaster oven and wanted something that could handle large boards and possibly do small production runs. In this tutorial we learned how to build our own reflow oven using a common esp32 dev board in conjunction with the reflowduino ecosystem i developed, which includes the reflowduino32 backpack module as well as the sidekick relay module for the hardware and example arduino ide code for the esp32 and demo android app to display the data and. Rocket scream electronics for providing the code and inspiration from their arduino reflow shield. It sports a versatile atmega32u4 microprocessor with micro usb programmin. The basic process entails applying either a leaded or unleaded solder paste to the pads on the pcb. Jun 14, 2017 a reflow oven comes in handy when you work regularly with smt circuits.
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