PCB exposure unit DIY
HTML-код
- Опубликовано: 15 мар 2016
- This video might be also helpful if you are interested working with mdf. Box is versatile so it can be used with other types projects too.
Main material is 20mm MDF. See www.instructables.com/id/PCB-E... for more info.
music : www.incompetech.com 
Хобби
Это просто шедевр! Такую работу не грех и похвалить! Самое главное, что очень нужная вещь, но купить её нигде невозможно. А здесь пожалуйста, вот она и даже лучше, чем могла бы быть!
This video is proof of how when something matters to a person, that person could make miracles happen. This box is SO well finished, I literally thought it was from a store, or at least a factory prototype. Highly inspirational, the fact that you pushed it through and made it, it counts beyond measure, to me... I’m gonna get working on my recent project: shelves for a 7 foot tall 19” rack frame! I really think that you’ve demonstrated just how far our minds can push us. Absolutely motivational and incredible! Thanks!
this is still one of the most wonderful DIY project I've ever seen up now, please upload new videos
Beautiful craftsmanship. And glad to see you still have all your fingers.
Wo-ow. Thats just a perfect video. I admire people that are able to make their projects so perfectly, cleanly, and work-able.
I didn't know that wood can look like a metal too..
Excellent workmanship, I haven't enjoyed watching a video for a while
Actually just wrapped up making my first exposure unit when I found your video. Very nice job!
Great idee to glue the MDF to the hinge, thanks for sharing. Nice result...
wow! impressing workshop+tools! and I also like the product and skills certainly! 😉
0:24 It's all about "safety firts" 😂 Nice Idea, thanks for the video 😊
you are a master of wood! My low budget variant is an old scanner housing made of plastic, inside are UV Tubes from a "Toaster" Ballasts are from dead energy safing Bulbs and Time makes a 555. It works too ;)
Very, very nice work. Congratulations!
extremely neat and professional great work
Very nice DIY exposure unit
Great job, you have a lot of talent!
Nice and clean work, I liked it.
Way better than any industrial or ready made one!!Give some details about circuit....Also share more such electronics related DIY stuff!!
Really good design I just built one on your design but put another set of LEDs in the lid to make double sided and made a vacuum Frame with square Aluminium tube and Mylar to suck down on the board but forgot about the power supply as both set of LEDs take 2 amps each also put relays in to switch lamps from Top, Bottom or both
Superbe réalisation,bravo !
Well done! Congratulations, thank you for share your skills
You could do the same by finding (usually for free) and dismantling an old flatbed scanner (parallel-port ones from the 90s are pretty much useless nowadays). They already have the glass, the box, the cover, and the sponge: all you need to do is to remove everything from the inside and place the LED panel on the bottom.
Thanks for sharing. Great video.
Beautiful wood working ...
Great woodwork. Not sure if your LEDs are cooled well being sticked to the plastic sheet. Also I would paint internals of the case into deeep black to avoid any reflected UV light to reach the exposed PCB.
Yeah! Safety FIRTS (or farts?)! That's where this guy's bandsaw skills are from. Btw, the box came out great! Really nice!
Looks awesome!
I haven't found UV LED strips with s/m 360nm.. so it won't be working efficiently. all the strips I've found around the Ali has s/m 395-405nm only. Please let me know if you find the ones.
amazing! please more of that!
Amazing job.
ottimo lavoro complimenti
If your not bothered by straight cuts, use the table saw in the first few minutes. The guide pushes to the left or his right when finishing a cut.
Very nicely done! As others have noted, an interlock switch in the lid to turn off the light and pause the Arduino would be good safety enhancements. I'd also test the LEDs to be sure they all work before cutting and installing them. So how well does it work? Can you make boards clean enough for 0.5mm runs and 0402 SMD parts with the box?
Super skills!Very impressive!Quick and dirty!
If you call that "quick and dirty," I would like to see your stuff. This is WAY more attention to cosmetic details than I would even begin to put in. This is a GREAT project box for ANY purpose. Suitable for sale. Cheers!
Very nice craftsmanship. I was jealous until I saw your soldering ;p
Perhaps consider raising the LED panel so that it's right up under the glass and using quartz glass or some other UV transparent material. The light will be less spread out and more intense. Less diffusion means the light stays more columnar between the sheet with the PCB artwork and the photoresist, leading to sharper traces. Having the LEDs closer and using a glass that doesn't block as much UV will also shorten the exposure time and shorter exposure time will also lead to sharper traces.
Any specs on the LED's looking to make something similar. I just want to make sure I am using the proper lights
How well has this worked for PCB's? I'm not clear on whether 395-400nm is high enough energy for the task at hand?
Bacana, muito bem acabada ficou profissional.
You could use a case from a used scanner. This is much simpler and more rational. But your result is pleasing.
Fantastic!
Awesome, dude!
Super work!!!!
nice box but lacks of optical background:
1 to obtain the sharpest possible projection you must use a single point led (with or without collimating optics, otherwise you lower the etandue = making a lot of semishadows)
2 uv source has to have spectral characteristics matched to photoresist (in my experience very powerful but soft uv lamp doesnt polimerize the film well, but correct led works perfect even with low intensity (that was a must to success in 0.1/0.1mm traces with 50um film))
Nice job.
just like pro ,nice
Very nice !
From Brazil.
Hi! I would like to know what kind of paint did you use to cover the box! and the wet sandig, too. thks!
If this would be a commercial product and I just watched how it was made, I would buy it.
NICE WORK
Show!!!!! Parabens!!!
good work,,,,either they r common leds or some special ultra violet?
Good work! Nice Video thank you :)
great job man. i just rushed to instructable to download sch. uploaded the code in uno.... done uploading, hope it will work.
Great Hats off to you
Good job
absolutly magnifique :)
Such lovely fingers.
Nice great job
**super brother , I 'm your fan.**
Very nice job.....
Thank you for showing exposure box sir I learn about it how about my Patten the Lamp above the light show down 10 inches distance so process at the screen image lower part what time need to expose thnx again
Cuáles son los materiales que sw utilizaron en el proceso de elaboración de la insoladora y cuáles son las medidas de la misma
Please provide guidance on how to adjust two trimmers. I am still debugging but my lcd backlight works but no text.
Very well built. I didn't catch a safety switch for the lid, though. I hope you fitted one. Not good to look at UV LEDs when running!
Yes you are right there is no safety switch. I only added blinking red light and "exposing" text to LCD panel to warn user (me).
No worse than UV disco Lights. Its not like that are tanning lamps or worse UV germicidal then an interlock would be needed for sure.
Good job....
Hello! Awesome project! I am building something very similar (some differences since I started from scratch a while ago and just seeing this). I am wondering, since I am building this for photographic purposes, did you find you had hot spots on your exposures? How did you find the spacing and distance to glass for the LED's? Just a lot of testing?
Thanks!
Hi. Led distance from the glass is around 70mm. There's total of a 500 led with viewing angle of 120 degrees. My older exposing machine got almost same distance so I decided use same here. There might be some spots where UV is weaker. Also the glass might block some of the UV rays. I'm only exposing a small PCB with this one.
Awesome
great
Great work , design is not easy
Superb
Good job excellent
Sou do Brasil, quanto fica para você mandar para meu pais. Frete e custo da máquina?
i'm your fan!
very nicely done (Y)
Looks pretty neat.But does it actually work?
Me podria desir los elrmento que usaste gracias soy jose de argentina
something like '3w star uv led 370nm' or so on ebay. 400nm is not enough (my resist glowed bright green at correct led). anything random even like tanning bed lamps made crap (+long exposure). correct led needs no more than few seconds (no more than 30 at all)
cool bro 👍
Nice :) very nice, me like it :) Oh about the magic smoke, you do know that all electrical devices work on gray smoke, and when that smoke exits the device, then device stops working. Its fundamental of electronics :) that gray smoke ;) It happens, those Chinese and their chinisium :)
hi, tried to upload code to arduino nano, i got sketch uses 4398 bytes of the program storage space, maximum is 30720 bytes, how to upload please?
Please, what is the background music you are using?
Awesome!
There is no need to diffuse UV light?
I think there's no need for that. I have over 500 uv leds in there so the light will spread evenly. Exposure time is around 4 min.
You could link the lid switch to the Arduino which could pause the exposure timer while the lid is up. If you're making a lot of PCBs you may consider it. If you rely on the timer though and it's always off when you open it up again then not so bad but always nice to have safeguards. Plus I like to bevel all my edges using a router, otherwise very nicely made, video too.
Thank you for sharing this awesome video .. how long did it take you to make from start to finish total?
Great project dude!
Box itself takes around 10-15h. Painting and polishing takes longer because of drying times.
Can I use this to cure powder coatings on MDF?
Fantastic design, both mechanically and electronically, congrats.
But *COMPLETELY MISSING THE MOST IMPORTANT INFORMATION,* or I could not find it: where is the test petern of certain size realized, what are the results? *What is the minimum track width that can be reliably realised on this UV unit?*
This design is like a beautifull car from outside but we know nothing about it's performance.
There is only 1 thing to add to this PCB exposure unit: front-panel labels. Otherwise, it's amazing.
very nice job
please give the idea
how to make a UV EXPOSURE FOR POLYMER STAMP
Study how commercial ones work and then simplify the design. Make prototypes and learn from mistakes :)
Why did you use brass for power rails? Is there any advantage over copper?
No. I just had stiff brass rod available :).
Amazing job!!!! is there any chance that you share your schematics and wood sizes?
+lcm Thank you. I added technical info in my instructables site www.instructables.com/id/PCB-Exposure-Unit/
Ough.. Awesome project...
would you share the arduino program and the wiring... that perfect for my project, adjust timer using POT...
thanks before... :)
Great vid! where did you get your UV LEDs
Great working! By the way, please feel free to get back to us, if you will need Smart High Power High Voltage UV Lamp Ballasts, reference at www.uvballastsupplying.com. Thanks and have a good day! :- )
What products do you use to make the wood look shiny with that metal look? (sorry for my English :-D)
I'm using basic spray paints and laguers. Check link below for more info how to polish surfaces.
ruclips.net/video/K0pXjV4zGDM/видео.html
if i dont have uv led, it will work if using super bright led (not uv) for exposing pcb?
No
i am making the pcb for the lcd and buttons. but i dont know what wires from lcd screen goes to the pcb header as there not marked on the schematic for example lcd pin1 to D2 on arduino.would you be able to help ?
www.instructables.com/id/PCB-Exposure-Unit/
I added a picture of wiring lcd under "step 2 - technical info".
Thank you :). i did not see it at first. i had to click on first picture then scroll though them to see it. the 5k pot that controls voltage to the Fet. how would i tune this ? why the countdown timer is on then turn the pot till the Fet turns the leds on ?
I think my idea was that 5k pot is limiting the current going to to FET :). It's a logic level FET which is fully open at 5v (arduino operates at 5v). So u can basicly change it to small resistor if u like. When timer is on, arduino sets "FET pin" high so the current can go trough UV leds to the ground.
What value resistor do you think would work best ?i suppose it depends on how much current triggers the fet.. There are 4 connections on the led pin part of the pcb. do i just connect all 3 led negative pins to the last pin that has a resistor to gnd ? or shall i add separate resistors to each led to gnd ?
Fet is "triggered" with voltage not current. It's just safety thing. You can connect all leds trough that one resistor. Only one led is lid at once.
I'm bit confused with my design, its over year now when I done it :)
Very nice job :)
Why think 'outside the box?' Because a well made box costs around $10k in tools!
Thanks for the upload, and a serious case of tool envy.
-Jake
how did you calculate that? i see only ~350-400$...
@@hyperhektor7733
1.) Table Saw ~$500+
2.) Mikita Basic Miter Saw ~$400+
3.) Compound Miter Saw ~$700+
4.) Professional Ear and Eye Protection ~$100
5.) 90 degree Angle Ruler w/level ~$30-$50
6.) DIY carpentry work bench ~$200 in supplies
7.) Bosch Drill Press ~$1000
8.) Mikita Lithium Power Drill and impact driver ~$250
9.) Bench jig saw ~$400
10.) Pneumatic Staple Gun ~$100
10b.) Pneumatic compressor+ hoses/pro system ~$2000
11.) Ratcheting C clamps ~$100
12.) Dual Action Power Sander ~$100
13.) Putty knife ~$30
14.) Grinder ~$100
15.) Bench belt sander ~$250
Cutting board/Scalpel/marking tools/Respirator/more c clamps/measuring tape/paint stand/
....yeah I'm done adding it up... @~$6280 right now
Thx for the reply, but sure if you take the most expensive brands there you can burn some money ;).
It would be helpful to know where you live, maybe you have only expensive stores , i dont know.
Just some examples:
"Professional" Ear and Eye protection 100$ ?
earprotection costs 10-15$ in new in local stores,
and i gont mine from 2 $ from china (big red headphone version).
They work very very (which i dont expect!)
Other alternative are ear plugs (2-3$ in store )
Eyeprotection, Polycarbonate Googles cost 10$ in stores, 2$ in china.
+ Add a face shield (10-20$) , from china 6-8$
So just this, if you would buy DOUBLE ear + eyeprotection it would cost
~47$ in a store and
~14$ from China
if you buy onle single protection its13$ in a store and 4$ from china.
All polycarbonate (same material so "cheap" as argument doesnt count)
For the electric tool this goes on,
i bought 200mm wheel grinder for 36€ new from ebay comercial seller buw you can buy smaller ones cheaper. its a Motor+grindingstone+bearings+switch, nothing you could make a professional markup on xD.
for the drillpress why do you need a 1000$ Bosch drill press to drill Holes in wood? Bosch doesnt produce them anymore, could find a new offer, but other brands and big Drill press version costs 300-350€ (the "pro" versions)
I got a drillpress for 69€, it drill holes in wood and metal.
Ok to be fair i added a "professional" heavy chuck for 20€ so 89€overall.
Overall you can build the wooden box here with less tools than he showed. A circualsaw(even handheld) + Power Drill some sandpaper and screws ;D .
I got a circular handheld power saw for 55@ + a drill for 25€ (where the same lithiumpack fits thats why its so inexpensive)
so you need maybe 100$ woth of tools and get it done. Just one example www.lidl.de/de/parkside-akku-handkreissaege-phksa-20-li-a1-mit-akku/p243375
Its not metal where you need a lathe and a Mill, its only wood.
I mean i you say you cant do it since you need 10k for tools is just an excuse on this build :).
Harbor freight my dude
you could use an old scaner
WOOOW Perfect
нихуя не перфект
он сжег 4% диодов
Try to use limit switch if uv light is not good for eyesIf not Skip that
Why the magic smoke? What went wrong?
woah! im normally not a safety nut. but cutting a bevel with the blade tilted toward the fence is just begging for a serious kickback accident. I know from experience, and i was lucky to get away with only a bruise from the wood hitting me.