![]() When in timed mode, to start heating press the select button (the middle one) to go to the temperature selection menu. When the switch is in its on position it will be in Always On mode, and when off it will be in timed mode. To switch between always on mode and timed mode use the rotary switch. It will display a splash screen to let you know that the Arduino is turned on and working. To use the oven, plug everything in and then turn it on. Use plenty to ensure that the thermistor will not fall off. Attach it to the side of the oven using kapton tape. Wrap the end of the thermistor with kapton tape so that the metal of the oven will not interfere with the wiring and the readings. With the particular oven I used there is about 3mm of clearance between the door and the main body, which was more than enough to insert the thermistor through. To attach the thermistor to the oven insert it through the side of the door. Close the box by screwing the side panel on and then super gluing the cover's pegs into place. Make sure that the hot glue does not interfere with the buttons. To secure the Arduino and board insert the printed buttons into place, and then hot glue the board inside of the case on top. The outlet is installed in the larger side of the case and the IEC jack is installed on the cover of the box. Make sure that any of the wires that carry 120V for the outlet and oven are using heavy duty wire so as to handle the high current load of the oven. Even though I didn't do this, it might also be a good idea to isolate the arduino board.Ĭonnect all wires as shown in the fritzing diagram. This is so that none of the wires or metal can make contact once sealed in the case. Wrap the power supply and SSR in electrical tape, making sure to leave any holes and other necessary section uncovered. I used this in my Faux-Nixie clock since the boards were such a massive pain in the butt to do by hand.īefore assembling the last few components and putting everything in the case there are a few final safety precautions that need to happen. If anyone is interested in that post here it is. I got the idea from an old Sparkfun post that was trying to do something similar, but ended up being abandoned in 2006 and becoming nothing more than a concept. Work that would have probably taken me around 3-4 hours was able to be done in only around 20-30 minutes. It made my life much easier to be able to use the oven to do the soldering instead of a traditional iron. All in all this cost me about $50 to make, and I was able to use parts that I already had sitting around. Looking around I saw that actual solder ovens were out of my budget, so I ended up modifying a twenty dollar toaster oven from Amazon. It was too much of a pain to try and solder them by hand, considering all I own is a convention soldering iron. The reason that I made this was because I had to make several boards containing around twenty parts each. A solder reflow oven is a very useful piece of equipment for boards with a large quantity of surface mount components or making batches of surface mount boards.
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