How To Build A Solder Reflow Oven - The Byte Sized Engineer

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How To Build A Solder Reflow Oven - The Byte Sized Engineer | DigiKey

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Күн бұрын

If you want to assemble a batch of PCBs with surface mount components you have a few options. You could use a regular soldering iron and magnification and do it all by hand. Or you could use a hot air reflow station to heat up the board and components until the solder melts. But if you have a lot of components or a large batch of PCBs to assemble this could get tedious. In this video I use an Arduino board, a thermocouple, and a solid state relay to build a solder reflow oven using a standard toaster oven. I use a TFT display with a touchscreen display to create a user interface that plots the solder reflow profile.
Read more on the DigiKey Blog: www.digikey.co...
Links:
Arduino Board - www.digikey.co...
Thermocouple Amp - www.digikey.co...
Thermocouple - www.digikey.co...
Solid State Relay - www.digikey.co...
TFT Display With Touchscreen - www.digikey.co...
NEMA 5-15R Power Receptacle - www.digikey.co...
IEC 320-C14 Power Receptacle - www.digikey.co...
Power Cord - www.digikey.co...
Learn More:
Github project - github.com/byt...
Byte Sized Engineer channel - / @bytesizedengineering
Maker.io - www.digikey.co...
Digi-Key’s Blog - TheCircuit www.digikey.co...
Connect with Digi-Key on Facebook / digikey.electronics
And follow us on Twitter / digikey

Пікірлер: 39

@emmettturner9452 11 ай бұрын

The knob is to keep you from putting it directly against the wall where it might overheat or start a fire.

@randycarter2001 11 ай бұрын

My very first thought on the knob. There's only a single steel wall separating 400° inside with 72° outside.

@danielmatthews8475 11 ай бұрын

Very nice Zach! I really like the fact that you didn't over engineer it. Last week I almost threw away the one I started a number of years ago because I still haven't finished it. I tried to make it too complicated. Yours is just right!

@bytesizedengineering 11 ай бұрын

I make everything over complicated too. It's what makes us engineers! On an unrelated note, I have been wanting to try powder coating and this oven could also work for baking powder coated parts! Now you have a second use for that oven that you almost threw away!

@greg4367 11 ай бұрын

If you are looking for a KZfaq idea, I'd love a tutorial on tuning and programming a PID loop in the real world. Taht, after all, is where the magic is in this project. Without it there is nothing.

@AdamIannazzone 11 ай бұрын

That UI is really slick, especially the graph-view.

@BeckyStern 11 ай бұрын

Awesome project and video, thanks Zach!

@bytesizedengineering 11 ай бұрын

Thanks Becky!

@smlgd 3 ай бұрын

That kind of oven heats very unevenly though, whenever I bake something in it the middle parts get much more browning than the borders due to higher IR exposure. Using this for reflow you might either get cold joints in the edges or overstress components near the middle. Also you should consider that the thermocouple might not accurately measure the temperature the PCB will be in since the board will be receiving direct IR radiation in a large area, and the thermocouple has a very small area footprint. A larger convection oven or one with multiple, spread out heating elements would be much more adequate for this, and I'd maybe using a plate head thermocouple in order for it to receive more IR so you get more accurate readings

@AmateurRadio-2PW 9 ай бұрын

Very cool indeed. Probably gonna make this! THANKS

@BerndFelsche 11 ай бұрын

Heat sink is usually required on the SSR when switching larger loads. See the device data sheet and read the nameplate on the appliance being switched. I'd rather gut the controls from the oven completely and just wire directly so that the over can't be used for food.. But keep the controller outside the oven enclosure where it's cooler. Mount to the outside with a hole for an inverted U duct with a pwm fan for the cooling profile.

@FlyingWhales13 11 ай бұрын

Awesome project and video. Cheers!

@JEFFREYDOHNER 19 сағат бұрын

PID measures and produces an analog input/output. Therefore the light would not turn on and off but would dim and brighten. My guess is that your using some modification of on-off control which is traditionally used for controlling thermal systems.

@slabua 11 ай бұрын

I would add a vertical moving axis on the plot to know the current time of progress

@MrMaxyMahdia 3 ай бұрын

The files in github are missing the wiring diagram, good work, i appreciate it 😊

@JonathanRansom 11 ай бұрын

I need to build one of these!

@robmurg 11 ай бұрын

Perhaps that knob is to prevent the hot back of the oven touching the wall behind?

@larrysmall3521 11 ай бұрын

Or something to wrap the cord around. My oven has two knobs for storing the cord.

@emmettturner9452 11 ай бұрын

Definitely for wall clearance.

5 ай бұрын

do you have a schematic or wiring diagram available that shows how everything is connected

@Tree2Tool 5 ай бұрын

Is there a schematic for this project?

@ohararp 11 ай бұрын

Is there a manufacturer and part # for the oven you chose that you can share for this project?

@StuffWithKirby 11 ай бұрын

I think any toaster oven that doesn’t have digital controls would work. I use an cheap 20$ walmart brand one with quartz heating elements. I mightve missed him mention it. But basically you just turn timer off on toaster and set it to max temp. The relay will keep rapidly turning it on off to regulate the temperature

@richdobbs6595 10 ай бұрын

I think I'll buy a new toaster oven for my food, and down grade my old toaster oven for this purpose.

@KoRntech 11 ай бұрын

But what if we like tedious? The management thinks I'm amazing firnturning PWBs into PCB assemblies.

@augurelite 10 ай бұрын

Awesome :)

@TheQuinto2010 10 ай бұрын

Temp control would be more stable if you epoxied the thermocouple to a small mass like a penny or even a small piece of scrap PCB.

@AlienRelics 2 ай бұрын

That can be solved by adjusting the PID.

@ChuffingNorah 11 ай бұрын

Its flipping SOUL-der not SOD-der for flip's sake! Good little example of PID Control though!

@emmettturner9452 11 ай бұрын

How do you pronounce Salmon?

@Bill_N7FTM 11 ай бұрын

Uh, no. The "L" is silent. The name come from the old English word, souder.

@ChuffingNorah 11 ай бұрын

@@Bill_N7FTM Sorry to disabuse you, but back home in dear Old Blighty, solder IS pronounced with an 'L'. For those who don't know, Blighty is that quaint little island off the coast of Europe which err... invented the English language! See Polder (Dutch Land reclaimed from the sea)!🤣😂😁

@emmettturner9452 11 ай бұрын

@@ChuffingNorah You also corrupted it. ;)

@ChuffingNorah 11 ай бұрын

@@emmettturner9452 Yawwwnnnnn! 🤔🥱😫😩😞😣😖