DIY PCBs At Home (Single Sided Presensitized)

  Рет қаралды 1,252,040

TechBuilder

TechBuilder

4 жыл бұрын

Learn to fabricate Single Sided PCBs at home! Prototype PCB fabrication is one of the essential skills you must learn in electronics. Instead of using breadboards and perfboards, custom PCBs would make any project smaller and more compact!
PRESENSITIZED PCBs:
Also known as photopositive PCBs or photoresist PCBs, are regular PCB copper clads, layered with a light sensitive paint or film. Once exposed to light, the paint would dissolve in the developing solution, while the unexposed areas would remain undissolved in the solution. This forms a Mask on the clad. When the developed PCB is exposed to an etchant, the masked areas would remain in tact while the unmasked areas would dissolve on your etchant, thus forming a copy of your printed PCB artwork.
WHAT PAPER AND PRINTER TYPE TO USE:
- You can use an injket printer for this type of PCB fabrication, no need for toner printers.
- I use regular Short Bond Paper (Letter 8.5x11"). You can use parchment paper or inkjet friendly films for better fabrication quality.
BETTER THAN TONER TRANSFER METHOD:
Toner transfer method has been the number 1 go to in homebrew PCB fabcrication, next to the sharpie method. Toner transfer has its own limitations. One, is that you would need a toner printer, common inkjet printers simply wouldn't work. Second, as your line traces gets thinner, it would be more difficult to transfer the toner prints to the copper clad. Presensitized PCBs on the other hand creates the sharpest lines of all the homebrew fabrication methods. This is perfect for smaller circuits that involves SMT (Surface Mount) components. I use this method for building PCBs with line traces reaching down to 10mils (0.254mm). You can go as thin as 5mils (0.1275mm), but you would have to use inkjet friendly acetate.
_______________________________
Instructable Tutorial:
(www.instructables.com/id/Sing...)
DIY Etching PCB Shaker
(Link: • DIY PCB Shaker For Etc... )
DIY Digital PCB Exposure Box!
(Link: • DIY Digital PCB Exposu... )
_______________________________
Tools & Materials:
1.) Photopositive PCB Pack
- AliExpress: bit.ly/2WLOi0F
- Amazon: amzn.to/3bRbz5n
- E-Gizmo: bit.ly/2ylwhNi
2.) Ferric Chloride (Copper Etchant)
- Amazon: amzn.to/3cZu8pL
- Lazada: bit.ly/2ZkjPIF
3.) Pure Acetone (Nail Polish Remover)
- Amazon: amzn.to/2zdVOIE
- Shopee: bit.ly/3cOF4q3
4.) Baby Oil
- Amazon: amzn.to/2ZrII54
- Lazada: bit.ly/36gZLsb
5.) Mini Drill
- AliExpress: bit.ly/2XaTJVX
- Amazon: amzn.to/2ZiHBoi
- Lazada: bit.ly/2LVDPtr
6.) Drill Bits (0.8mm - 1.0mm)
- AliExpress: bit.ly/2WJNI3n
- Lazada: bit.ly/3bReoU1
7.) LED/ CFL/ UV Lamp
- Amazon: amzn.to/3bOFoUq
- Lazada: bit.ly/2WL9kfE
8.) Cutter Knife
9.) Hack Saw
10.) Wooden Plank
#Circuits #Electronics #DIY , Kinsten PCB

Пікірлер: 888
@TechBuilder
@TechBuilder 4 жыл бұрын
Please wear latex gloves and wear protective goggles when dealing with these chemicals. For this video, I ran out of gloves at the moment due to the massive shortage of medical supplies due to the COVID19 pandemic. Lye (developing solution) can be corrosive to human tissue, for this project, the concentration of lye is quite low. I washed my hands thoroughly after getting exposed to it. Ferric Chloride on the other hand barely has an effect to human skin, but it does leave a stain on everything when not immediately rinsed with water. Stay safe fam!
@Workshop111.
@Workshop111. 4 жыл бұрын
The number of views would be more if the video were translated into Arabic
@Workshop111.
@Workshop111. 4 жыл бұрын
The number of views would be more if the video were translated into Arabic
@mubasshirshah7871
@mubasshirshah7871 4 жыл бұрын
kzfaq.info/get/bejne/fJ-Wp5uVmrqUeac.html
@Sterlinxvii
@Sterlinxvii 4 жыл бұрын
Thanks for your
@johanneshass1614
@johanneshass1614 3 жыл бұрын
Just a very important FYI: Do NOT pour down the sodium hydroxide solution down the drain. It now contains copper(II)-hydroxide (or rather a hydroxy-complex, that's why it's blue!) and that is not very good for the environment. You actually have to bring that to a hazardous waste disposal facility. Yes, really. Your local wastewater treatment plant will thank you for not making them deal with heavy metals. Also, please store acetone in a very well ventilated area (preferrably outside!). Acetone has a very low flammability and high vapour pressure - if you're really unlucky you'll blow yourself up. Not a joke.
@new-knowledge8040
@new-knowledge8040 3 жыл бұрын
Brings back memories. Back in 1985, we technicians were making our own boards for all sorts of stuff. One of my pet projects was making a PAY TV decoder. I designed it so that it decoded the video line by line rather than the standard frame by frame method. Thus there was no need for a PLL ( phase-locked loop) circuit. It was powered by 12 vdc, and it only pulled about 12 mA, and the board was only 1.5 inch by 4.5 inch. So you just installed it inside your TV converter by tapping the converter's 12 vdc power line, and then cut the video connection that connected the RF demodulator to the RF modulator, and then feed these wires to the tiny decoder board. And that was it. You now had a PAY TV decoder. It decoded all the PAY channels, and did so instantly, since there was no PLL delay. Meanwhile, the engineers used the standard method that required tons of IC's and other components, and it therefore pulled plenty of current, so it needed its own power supply, and of course it needed its own box as well. That costs money. Mine, only had three IC's, MC4013, MC14538, and an LM393, plus a few transistors, diodes, etc. So making just one, cost about $5.00 total. Those days were fun indeed.
@426F6F
@426F6F Жыл бұрын
How do you learn about all of that stuff? Can you still use a similar workaround today for paid channels? That sounds so neat!
@temmie5085
@temmie5085 Жыл бұрын
@@426F6F No
@metamud8686
@metamud8686 Жыл бұрын
relevance?
@albertorojas472
@albertorojas472 Жыл бұрын
That's so nice! I would have liked to live in that time, a simpler time where technology was less integrated into society and solutions were more practical and simple. There is no way in which something like this works today, technological innovation has been displaced and relegated to mega-corporations with funds of millions of dollars to allocate to research.
@cessposter
@cessposter Жыл бұрын
​@@426F6F modern tv is digital and uses encryption similar to what the internet uses
@ev8963
@ev8963 Жыл бұрын
"Only peel the PCB in a dim room." Proceeds to peel the PCB in a room brighter than the beaches of Normandy.
@flat-earther
@flat-earther 10 ай бұрын
yeah BTW ev8, have you become a flat earther yet?
@larrybud
@larrybud 3 ай бұрын
I mean, he's filming.
@MaxC_1
@MaxC_1 3 ай бұрын
Doesn't matter as long as all light is artificial from LEDs, they have zero UV output and the film is sensitive only to UV, so even dimmer sun will start reaction while several thousand lumens of LEDs won't
@ArdLight
@ArdLight 3 ай бұрын
​@@flat-earther🌍🌎🌏🌐
@StephenNesbit
@StephenNesbit 4 жыл бұрын
That was, hands down, one of the nicest and easiest to follow KZfaq tutorials I've seen in ages! Thank you for that! :) So many content creators mumble or talk waaaaaay to fast without taking the time to speak CLEARLY.
@TechBuilder
@TechBuilder 4 жыл бұрын
Thanks man! Means a lot! I wanted to make a tutorial on PCBs for years but I found out a lot of people already posted it. I revisited some of the classic tutorials only to realize they weren't first-timer friendly, so I made this vid anyway hahaha 😊
@MoonlightEmbrace
@MoonlightEmbrace 3 жыл бұрын
Honestly, before I saw your tutorial I always imagined making your own PCBs was a way more complicated and chemically hazardous process. Glad to see it's actually way easier than I thought!
@ezion67
@ezion67 3 жыл бұрын
Overall a good tutorial. Just 3 remarks. 1) There is a easier/better way to cut PCB material that also works with glass-fiber and double sided material. Score BOTH sides 2 to 4 times with the sharp side of your blade, then snap. 2) Temperature is important for development and etching. Do both "au bain marie" in a tub of hot water, to get around 30C - 40C. You may find you get better results and the chemicals can literally last years. Years? yes. My etching machine holds about 2 liters Ferric Chloride. The same Ferric Chloride has been in there for over 10 years and was used to etch almost 2 square meters worth of double sided PCB material. I add Hydrochloric acid to compensate for evaporation and keep the solution active, even though there is now a lot of copper in there. 3) Please be safe, pure Ferric Chloride only stains HOWEVER the Copper Ferric Chloride mixture you get after etching is rather poisonous.
@tanvach
@tanvach 3 жыл бұрын
One tip is to leave as much copper on the board as possible, and only etch the spaces between the traces. Usually there is an option in the PCB software like "create ground plane". First, this reduces the amount of etching required significantly, extending the life of your solution. Second, you will have more uniform etching, since there are no areas that get exposed to bare etchant for a long time. Third, you'll have a ground plane to help reduce interference and make your trace impedance more consistent (important for high frequency or timing sensitive applications).
@ThIncapable
@ThIncapable 6 ай бұрын
So etching is just an engravement on the copper board?
@CommenterRick
@CommenterRick 2 жыл бұрын
You explained everything in a simple, straightforward and slow pace that made it EXTREMELY understandable. I hope you become a teacher because you have a great skill at presenting information. I also admire your ingenuity at building the machines you needed to finish the project. Well done!
@dzidzac
@dzidzac 2 жыл бұрын
TechBuilder , you have just gotten me out of the months-long toner-transfer vicious circle - in 10 minutes and 10 seconds! Thank you greatly for that!! Every day is a new lesson!
@Arisentec
@Arisentec Жыл бұрын
Peat 1年前 I usually don't comment on videos, but this is something else. Very clear& easy to follow. Definitely worth subscribing
@KrotowX
@KrotowX Жыл бұрын
Definitely brings back memories from 1980-ies. When I made my DIY PCBs only in such way because there were no better ways.
@peat1
@peat1 2 жыл бұрын
I usually don't comment on videos, but this is something else. Very clear& easy to follow. Definitely worth subscribing
@markp8295
@markp8295 4 жыл бұрын
Amazing content. Clear and educational. Thank you.
@TechBuilder
@TechBuilder 4 жыл бұрын
Thanks! :D
@hvm2hvm
@hvm2hvm 2 ай бұрын
I kinda knew the process before but this made it so much clearer. It was super easy to follow and had all the information needed but none of the fluff. Thanks dude!
@hrishikeshb
@hrishikeshb 3 жыл бұрын
This is my preferred method of building PCBs too. I use transparent sticker paper instead of the paper and oil. It’s too messy :) The transparent sheets are think and stick to the PCB thereby reducing the gap between the film and the PCB. The lines are more defined with this and I was able to get clearances as low as 0.3mm and track widths of 0.25mm with this.
@jacobnoble2167
@jacobnoble2167 5 ай бұрын
Any sticky paper?, and im gussing you print your schmatic to the paper and then just slap it on and the do the rest of the steps?
@hrishikeshb
@hrishikeshb 5 ай бұрын
@@jacobnoble2167 not an opaque paper sheet. I print them on a transparent sheet that can be printed on an inkjet printer, but with one sticky side. They are clear transparent plastic sheets that can be printed on.
@jacobnoble2167
@jacobnoble2167 5 ай бұрын
@@hrishikeshb Could you link what your talking about and im guessing you print on the non sticky side? THen Uv expose... etc
@user-ik8vy1rg8f
@user-ik8vy1rg8f 3 жыл бұрын
I love how organized your closet is.
@geraldwesley
@geraldwesley Жыл бұрын
just started electrical engineering and this got me super excited for it
@dougcox835
@dougcox835 3 жыл бұрын
Watching this I noticed countless things that would make the process better. But then I realized that you are showing the most basic and simple way. One thing that I have learned about cutting the PCB is that a good heavy duty pair of scissors does the job surprisingly well. You might be worried about ruining the scissors. If you are you can buy a cheap pair just for the job.Thicker PCB would be a challenge for scissors but the thin ones like you made are not a problem.
@tubegor
@tubegor 4 жыл бұрын
Wow the real tech builder and your workshop looks amazing. Thanks for sharing.
@BradBo1140
@BradBo1140 3 жыл бұрын
Great video. I hardly know what a resister and a capacitor is but I’m gonna go out, buy a bunch of things, and make a circuit board. That was such a good tutorial,fascinating.
@normanvename3724
@normanvename3724 2 жыл бұрын
This is the best PCB tutorial I've seen. Thank you!
@simhoper8953
@simhoper8953 4 жыл бұрын
Man... you are an asset to the whole world! Hope you shine more and share your knowledge with te world! Thank you!
@TechBuilder
@TechBuilder 4 жыл бұрын
Thanks man!!!
@KE8UYV
@KE8UYV Жыл бұрын
Thank you. You have done a fine job of explaining this process.
@saveplanet3977
@saveplanet3977 3 жыл бұрын
Really a clean and good demonstration on how to make PCBs. You have simplified it.
@victory5056
@victory5056 4 жыл бұрын
incredible, I loved the video. I can't wait to try this myself!
@TechBuilder
@TechBuilder 4 жыл бұрын
Have fun! Drop a comment here if you experience some difficulties in the process, I'd be happy to help.
@boots7859
@boots7859 3 жыл бұрын
Great video as always. And, presentation is slow, calming and comes across as do-able by the watcher without previous experience. Perfect for tutorials, and excellent, interesting projects.
@notsonominal
@notsonominal 4 жыл бұрын
Now thats an interesting approach, by some miracle a local store is selling positive presensitized boards, will have to try this. two thumbs up!
@brandonstevens6886
@brandonstevens6886 3 жыл бұрын
I wish I had a store like that
@booruvcheek1331
@booruvcheek1331 3 жыл бұрын
You have a local store selling electronic components.. I envy you.
@brandonstevens6886
@brandonstevens6886 3 жыл бұрын
@@booruvcheek1331 You would be surprised. But they are slowly dying
@hopelessnerd6677
@hopelessnerd6677 3 жыл бұрын
Awesome video. I built a UV exposure unit into an old scanner body with 3W UV LED's. It took my exposure time from 2-3 minutes to 12 seconds with perfect results.
@sastrydasigi7010
@sastrydasigi7010 2 ай бұрын
Excellent! Clear, detailed and well-paced explanation. Thank you very much.
@fractera
@fractera 3 жыл бұрын
How I wish this quality tutorial existed 7 years ago. Tough times.
@TechBuilder
@TechBuilder 3 жыл бұрын
I feel ya
@cuznerdexter
@cuznerdexter Жыл бұрын
That was great to watch. Forgot how many steps are needed to produce a simple pcb. This video was an eye opener. Great work!
@Axel_Andersen
@Axel_Andersen Ай бұрын
Todays offer from JLCPCB 100x100 mm2 two sided with solder mask and silkscreen 5 pcs = $2 plus shipping .... DIY PCB does not really make sense anymore, too bad, I liked to do it.
@Denkaa1987
@Denkaa1987 3 жыл бұрын
Thank you! This was very helpful. Did everything as suggested. Printed my designed circuit on A4 plain paper with laser printer. Did some testings to find the right recipe for my conditions and I found that paint on paper are tend to blur after contacting with cooking oil, so I used spray varnish to protect my paper circuit before applying cooking oil. This worked perfectly.
@cavemanjoe7972
@cavemanjoe7972 2 жыл бұрын
This method is meant to be used with an inkjet printer.
@LeifTheden
@LeifTheden 3 жыл бұрын
Great video! You really made the process easy to understand. I need to try this sometime.
@mohamedfaroukel-alem7253
@mohamedfaroukel-alem7253 4 жыл бұрын
Your explanation is so clear and simple yet you covered the topic very well!
@TechBuilder
@TechBuilder 4 жыл бұрын
Thank you!
@TENCUHTLI
@TENCUHTLI 3 жыл бұрын
What a relaxing way to learn something
@srijantanwar3245
@srijantanwar3245 3 жыл бұрын
One of the best guide I ever saw
@morthim
@morthim 4 жыл бұрын
this is the best video i've seen related to this yet. i hope it spreads
@TechBuilder
@TechBuilder 4 жыл бұрын
Thanks!!
@naunruizperez9614
@naunruizperez9614 3 жыл бұрын
That was hands and foot down . Verry helpful video thanks.
@CAXRAMEDIA
@CAXRAMEDIA 3 жыл бұрын
We love your tutorial. Thanks 🙏
@iemjaxx4173
@iemjaxx4173 2 жыл бұрын
great job on the tutorial, will try it myself. Thanks a lot
@rodrigoapaza8086
@rodrigoapaza8086 8 ай бұрын
This is so HOME-MADE I even want to try it :D TY! sir
@MrNoobed
@MrNoobed 3 жыл бұрын
Thank you. I had given up on it because I thought I had to do toner transfer. Doing it with inkjet is amazing
@TechBuilder
@TechBuilder 3 жыл бұрын
Same! Agree!
@chehangaladeni9684
@chehangaladeni9684 3 жыл бұрын
very clear and sweet man thanks
@JaredElliott1
@JaredElliott1 3 жыл бұрын
For those without a laser printer, this video is priceless! Thanks!!!
@TechBuilder
@TechBuilder 3 жыл бұрын
Glad it helps!
@426F6F
@426F6F Жыл бұрын
This is such a cool video! Thanks for sharing!
@ConexSpot
@ConexSpot 2 жыл бұрын
Great! Amazing job, thank you!
@RPBCACUEAIIBH
@RPBCACUEAIIBH 3 жыл бұрын
I managed to make .008 inch (0.2032mm) traces pretty reliably with similar technique, except I sprayed Positive 20 photoresist on polished FR4 PCB, using inkjet printer with the color cartridge filled with all black ink, set to high resolution photo and and photo paper settings, but I actually used normal paper instead of photo paper. :D That was achieved with my old HP Deskjet F2480 printer, and regular 80g/m2 paper, and cooking oil to make it transparent, as you mentioned. Now I bought a new pigment based (HP Deskjet Ink Advantage 3775) inkjet printer, and high quality 90g/m2 Xerox Colotech+ paper, which has smooth surface, and it actually gets more transparent when the oil is applied. I bet it's gonna be even more reliable once I perfect the method, although the old printer really soaked the paper with ink making it really black, this new one, does not even at high resolution photo settings although it looks even blacker then with the old printer, it's kinda transparent black(which is not good)... I'm thinking if I can't make it work with the new pigment ink, I'm gonna experiment with mixing pigment based, and dye based ink to get the blackness I need to achieve even though it may ruin the cartridge.
@DiyintheGhetto
@DiyintheGhetto 2 жыл бұрын
That is pretty cool. Thank you for sharing with us.
@ooltimu
@ooltimu 6 ай бұрын
Ferric chloride etching can be significantly sped up (3-4 minutes) by heating the solution. I usually put it in a cooking glass container on the stove and heat it on the lowest setting, while agitating the solution and board with a stick. Toner transfer can yield same results and much cheaper. I made quite a few SMD boards with close traces (QFP32) and even one double sided board (even though I admit the alignment was tricky and got it on the second try).
@ronaldronald8819
@ronaldronald8819 4 жыл бұрын
Thanks for your clear exploitation. Gone give it a try.
@gemunujayasinghe618
@gemunujayasinghe618 3 жыл бұрын
Very informative. Thank you so much.
@user-vn3dg9lp2g
@user-vn3dg9lp2g 11 ай бұрын
Amazing tutorial thank you so much really enjoyed
@xmetaldome
@xmetaldome 3 жыл бұрын
Thank You ! for building the confidence.
@TechBuilder
@TechBuilder 3 жыл бұрын
Keep it up! :)
@svsv9
@svsv9 Жыл бұрын
Your voice tend to make me think you're very young. Hope you inspire many guys around the glove. I like your techniques and very well documented video. The chemical in this country where I live cost me a lot, unfortunately. Nice job. Thank you keep it!
@meshkatsaiam
@meshkatsaiam 4 жыл бұрын
You are so organized!!! Very Neat job man. Keep it up.
@TechBuilder
@TechBuilder 4 жыл бұрын
It helps me a lot with my workflow, thanks! 😊
@notdarkon
@notdarkon 10 ай бұрын
Great tutorial, much appreciated!
@KaziNazmulYT
@KaziNazmulYT Жыл бұрын
The video I was looking for. 💚
@rattehalliravishankar1801
@rattehalliravishankar1801 3 жыл бұрын
excellent tutorial about making the pcb. Superb.
@DanialADHOfficial
@DanialADHOfficial Жыл бұрын
Thanks making this video simple.. most easiest video for my brain to process the step by step information
@ertar0
@ertar0 4 жыл бұрын
Dude, just wow!
@dahlavibez5726
@dahlavibez5726 Жыл бұрын
Wow very beautiful result at the end I'll save this
@whatamievendoing
@whatamievendoing 4 жыл бұрын
Can't wait for your video on the electric car circuit. Exactly the kind of thing I've been wanting a clear and concise explanation of.
@TechBuilder
@TechBuilder 3 жыл бұрын
Thanks man! Almost done filming it! It may take a few more months, due to my video edit lineup.
@Sea_Star
@Sea_Star 3 жыл бұрын
Wow, now that's a tutorial. Thank you!!!
@TechBuilder
@TechBuilder 3 жыл бұрын
Thanks!!
@TheAstronomyDude
@TheAstronomyDude 4 жыл бұрын
Super cool video! I didn't know that type of DIY pcb existed.
@mubasshirshah7871
@mubasshirshah7871 4 жыл бұрын
kzfaq.info/get/bejne/fJ-Wp5uVmrqUeac.html
@CAXRAMEDIA
@CAXRAMEDIA 3 жыл бұрын
Great job, dude! We love your video
@niyassalim4933
@niyassalim4933 4 жыл бұрын
Perfect timing. I was searching for ways to transfer ink to pcb
@mubasshirshah7871
@mubasshirshah7871 4 жыл бұрын
kzfaq.info/get/bejne/fJ-Wp5uVmrqUeac.html
@MatthewNorthMusic
@MatthewNorthMusic 4 ай бұрын
Really good tutorial thank you.
@tedbastwock3810
@tedbastwock3810 2 ай бұрын
Fantastic video. Thank you
@evancourtney7746
@evancourtney7746 Жыл бұрын
2 Cool points for the guy who remembers the part number of the Radio Shack kit for these boards. Man I miss that store:(
@wrxfreak1
@wrxfreak1 4 жыл бұрын
Brilliant job . Thanks for the great video
@TechBuilder
@TechBuilder 4 жыл бұрын
Thanks!
@mikkocaguiat9830
@mikkocaguiat9830 2 жыл бұрын
Got nostalgic when I saw your Sadiku Book. Brings back college memories. 😅🙌
@starkead3087
@starkead3087 3 жыл бұрын
ho god, you are an hero man .. I never know this type of pcb
@ambareeshtr7316
@ambareeshtr7316 4 жыл бұрын
Thanks... that was new start for me ,as beginner in electronics ,
@TechBuilder
@TechBuilder 4 жыл бұрын
Welcome! Hope it helps 😊
@anon5582
@anon5582 8 ай бұрын
That was really informative and comfy to watch. Sad that you stopped uploading videos to this channel
@GrandNebSmada
@GrandNebSmada 3 жыл бұрын
Ok so nobody gonna mention how he used his bare foot to hold that PCB down????????
@MicroProjects
@MicroProjects 3 жыл бұрын
Amazing , I love this video
@husxins
@husxins 2 жыл бұрын
very professional ! good job !
@jm_sc
@jm_sc 2 ай бұрын
Been following you since you dropped that BB8 diy video, that really catch me on arduino but was too young to understand a lot of that stuff at the time. Now I'm ready
@shubhamsawant5129
@shubhamsawant5129 Жыл бұрын
Well thanks for the video and the hint that we can also use normal white light, I totally had forgot this 😅
@ashok_ign5623
@ashok_ign5623 3 жыл бұрын
You are really Great man you are giving knowledge which really helpful Thanks man 🔥🔥🔥🔥
@yankozlatanov
@yankozlatanov Жыл бұрын
Extremely helpful tutorial, than you!
@typo368
@typo368 2 жыл бұрын
That looks pretty good :),,i'm impressed :)
@mattiaiezzi9381
@mattiaiezzi9381 2 жыл бұрын
Ok. I did try this. Took a few attempts but got it working. Here's my advice: I use a 4x8W UV lamps exposure unit at a distance of about 10 cm. It takes 10 minutes (anywhere between 8 and 12) to get proper exposure I oiled the paper separately, dried it off and then put it on the board. Way less messy to clean up later, it only takes some water and a drop of dish soap I used 6g of sodium hydroxide in half a liter (500mL) of water and it worked very well by leaving it in there a bit, agitating it with a brush. I think it got saturated though, as I needed to redo the solution midway. Maybe a liter would be the better choice I used a 1:1 ratio of ferric chloride and hot water to etch. This saves some time and cuts costs of etching I got very good results using 0.762mm traces, perfect definition this way. I think I could go down to 0.254mm if I wanted to, the results were that good Overall this was a great video to learn basics, I just needed to perfect my method
@kbejustervesenet7261
@kbejustervesenet7261 3 жыл бұрын
You should swap the paper with a Overhead Transparent sheet, then the PCB traces will not have all the inperfections that your resulting PCB has. (pixelation and small holes.) Print the pattern Mirrord, so the printed side is turned with the printed side against the Photo-resist dirrectly to reduce bluring of the edges of the traces.
@Evilslayer73
@Evilslayer73 Жыл бұрын
Very well described tutorial you are a master at explaining clearly and very precisely what to do !! awesome! Can we use vinegar as etchant?
@OXFORD486
@OXFORD486 3 жыл бұрын
Thanks for a great upload... lots of help
@TechBuilder
@TechBuilder 3 жыл бұрын
Glad it helps! Thanks!
@Rising_Pho3nix_23
@Rising_Pho3nix_23 Жыл бұрын
Very easy to follow. Simple instructions, practical approach. Quality audio and visual. Instructions and example and explanation. Overall excellent stuff thank you! This is how you know when someone knows what they're doing.
@neilsky7599
@neilsky7599 3 жыл бұрын
Nice video. Highly detailed.. thank u.
@TechBuilder
@TechBuilder 3 жыл бұрын
Thanks!!!
@DrewMarold
@DrewMarold Жыл бұрын
Nice & straightforward. I would add a cautionary note about using acetone inside, you MUST have good ventilation. It evaporates so quickly you can build up a dangerous level of highly flammable fumes in short order.
@chronobot2001
@chronobot2001 11 ай бұрын
I use vinegar and salt to remove the copper. It works best over low heat while agitating. I have done this with the toner transfer method. I assume it would work with this also. Great video. It looks far superior to the toner method.
@Xeno_Channel
@Xeno_Channel 3 жыл бұрын
Really Great tutorial! I am starting to learn how to design PCBs, hopefully one day I will get to make my own from scratch like this!
@joefish6091
@joefish6091 2 жыл бұрын
its easy, just start off with simple and larger track/pad PCBs, nothing too complicated or complex while learning the technique.
@KAPILSHARMA-em6kq
@KAPILSHARMA-em6kq Жыл бұрын
Amazing,,,wow it's good to know about,, with great effort,,, thanks a lot
@if4o6
@if4o6 Жыл бұрын
Thanks for video !
@chrisnurse6430
@chrisnurse6430 3 жыл бұрын
Thanks that was really useful
@kausthubhk735
@kausthubhk735 9 ай бұрын
very interesting and useful video, thanks a lot .
@ammarjr6117
@ammarjr6117 4 жыл бұрын
I can't be more impressive more than that , great job dud 💙🌸.
@TechBuilder
@TechBuilder 4 жыл бұрын
Thanks man!
@ammarjr6117
@ammarjr6117 4 жыл бұрын
@@TechBuilder I totally support you 🌸.
@santoshbansode697
@santoshbansode697 Жыл бұрын
Thanks for making this video ,,,,,,it is very informative and helpful for me,,, thanks again,,,,,,, 👍
@blackartista
@blackartista 2 жыл бұрын
that precision 😎
@darshansunilmalagimani2649
@darshansunilmalagimani2649 4 жыл бұрын
Awesome I just loving watching your videos
@TechBuilder
@TechBuilder 4 жыл бұрын
Thanks man!
@darshansunilmalagimani2649
@darshansunilmalagimani2649 4 жыл бұрын
TechBuilder Thanks for replying dude yey!!!!!!🥰🥰🥰🤩🥳🥳🥳
@vonnkimuelcortez208
@vonnkimuelcortez208 2 жыл бұрын
Nice video bro! In the near future I hope I could make my own custom pcb for my desktop fans
@joefish6091
@joefish6091 2 жыл бұрын
double sided works well too, just tape the topside acrylic transparency to the underside by one edge, fit a double sided PCB inside and expose. remember to have the printed side closest to the copper, then theres less or no diffraction errors from the light box. use the pads to align both layers then tape. as long as tph pads are big enough to allow for slight misalignment, should be golden. we used this method for small scale commercial prototyping late 90s, the benefit is you can make a prototype PCB in hours. from CAD to construction. using a proper PCB production company takes a day or two, depending if theres a local one.
@larrybud
@larrybud 3 ай бұрын
Problem with DIY double sided are through hole plating. Try to get a 44 in PLCC socket to make contact with both sides. It's impossible. If you have simple discrete components you probably can get an iron on both sides, but not with many components.
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