$1 DIY Conductive Ink and Paint (Non Toxic, homemade, cheap!) - Makerboat.com

[@Barskor1]

Get a cookie tin or a cleaned out metal paint bucket, make a small carpenter nail sized hole in the lid put wood strips like Popsicle sticks or paper in. Close the lid put that on a fire for 15 minutes or more till the fire burns out. Inside will be charcoal perfect for your projects. If you use 95% rubbing alcohol instead of water you can just let it evaporate away after blending and you will not get the mineral contaminates if you used tap water.

[@LittleRainGames]

Or methanol.

[@mrdonut7158]

shouldn´t the mineral contaminants be more preferable since they are conductive?

[@Barskor1]

@@mrdonut7158 It depends on what they are some oxidize and so on it is best to know exactly what goes in so you can add as you need and control the whole process rather than a variable that can skew everything.

[@mrdonut7158]

@@Barskor1 oh ok

[@THEbigSCHNOZZZ]

material resistance is normalized to the length and cross-sectional area of measurement. The 'acceptable' chunks of charcoal might have had the same resistance as the rejected ones. If they truly do vary between chunks, then you need to measure with the same distance between probes.

[@willsheppard6801]

Its amazing what you can do when you put your mind to it. Safe and cheap enough for everyone to use/make. Great video my friend...

[@EyesOnReality]

Well Done! Clear Instructions and great narration. Thank you.

[@oudotcom]

Lampblack for painters works also very nice. Does have a much lower Resistance in the 50 to 100 Ohm range ! Is much better than Charcoal ! Surely the silvery Graphite is still the best as it can go to around 10 to 20 Ohms this way, but it is more expensive and sometimes hard to get . You can also use big graphite Pencils for painters and blend them down. Measure the resistance before buying them with a digital Multimeter... If you only have charcoal, use the process as shown here, so you only take the better conductive parts and then you can also Hammer them into a rod in an iron tube and compress the powder very much and then heat it red hot glowing, that will also enhance conductivity... sometimes it is just okay to hammer it down and compress it very much...but with glowing it also red hot makes a real graphite out of it...but don´t let it completely burn, otherwise you will only have white ash left....After that you can grind it or blend it down again to powder and mix it with water and glue as it is shown in this video and then you have a nice much more conductive paint... or use the heated rods you made with it as electrodes for batteries...or press the powder into Plates for even higher surface battery or Supercap electrodes.... Hope this helps. Regards , Stefan.

[@maihuongho8999]

Thanks for your advice. It really helps

[@rinoliuzzi2942]

grazie!!Where can I buy black smoke?LampBlack??

[@TrebleWing]

Uhhhh, when measuring resistance on multiple pieces you have to keep the probes the same distance apart. you keep measuring from the sides of different sized pieces. Sometime halving or doubling the distance from the previous measurement.

[@fik_of_borg]

Been looking for this for months! All I found was recipes with hard to get / toxic chemicals

[@RouRa9]

Is activated charcoal from the pharmacy any good?

[@juliocavalera9293]

what is u use at minute 3:10 and what is the glur is the paper glue?

[@ericx9083]

Too cool!! Thx. so much! This has got to be the coolest project EVER!

[@doodlingdebbie1]

Wonderful tutorial! I'm glad I found it. Thank you for making this.

[@spokesofmusic9299]

Hi Debbie

[@lauriezack-bottum2886]

Outstanding video. Very easy to understand. I cannot wait to try this. Thank you for sharing.

[@josepeixoto3384]

i have fixed remote controls by gluing onto the black rubber-graphite pad, a tiny small disc of aluminum foil, works perfectly

[@victorb22622]

I seen in video,he use burn battery cell ,it has carbon powder.geaphite powder can be used instead charcoal or can be used mix.

[@livenotonevil8279]

Thanks so much! I cant wait to try this.

[@quentintiefaine1822]

Is it possible to make carbon from plastic by pyrolyzing it instead of wood ? I think the carbon should be purer than carbon from wood, and so its conductivity should be better. What do you think about ?

[@superdidou]

Well, good idea indeed. Thank you.Though ... why didn't you filter the mixture in a paper cone coffee filter ?

[@bcnloft]

+Raoul Patakess Yes that should also be possible :) hadn´t thought about it

[@FXMV2012]

Very cool tutorial, and professional video shot and edit skills shown! Thanks for t his great video

[@luckistrykes01]

Thanks for sharing!

[@Bairov]

Could you mix carbon and nickel conductive paint and get a good result?

[@barunshahi3800]

Lovely ❤️ From India 🙏

[@carlosj.castillo254]

what kind of glue did u use?

[@neerajbhandari9931]

Thank you i found this video very informative.plz keep making such kind of videos

[@ronrattink5161]

great project. just thinking about maybe using colloidal silver as part of your mixture might increase your conductivity. There are tons of vids on how to make it cheaply and easily. Just use it instead of ordinary water. Cheers

[@nimrodck]

Thanks man, this amazing, just i need. regards from Centro America

[@NJEnemy]

If you have charcoal lying around could you just use that? instead of burning things?

[@bcnloft]

+NJEnemy yes that would be useful, no need to burn wood, you can use charcoal for BBQ

[@harviecz]

@@bcnloft I've just tried BBQ charcoal (not bbq bricquettes, plain charcoal) and it is not conductive at all... Strange.

[@belajarbisnisonline9324]

Oh my God, God bless You so much

[@victorb22622]

Can it be used on membrane broken track

[@soundlitstudio9]

How long does the ink conduct electricity for?

[@philoupaulo]

Chinese black ink is a good conductive ink ready to use ...

[@hanwencheng6590]

really??

[@Rocket00AZ]

Philoupaulo 62 damn lmao

[@rinoliuzzi2942]

Where can I buy Chinese black ink?

[@arsene-holmes]

I found this video for a science project, this really helped! And may I know what is carbon dust? Is this related to carbon black? Your response is very much appreciated thx

[@michal-programovanie131]

is color necessary?

[@Leo-gt1bx]

Is Graphite better?

[@otonashimitch7819]

Nice video, very educational.Can I any charcoal..? :D For anyone who play guitar. Can I use this as an alternative for shielding paint.?

[@deady88]

tell me too if you got the answer for shielding paint.

[@fouadzerdoumi9524]

thqnks

[@deepchandrakar7966]

White glue colour should be used or not ?

[@imriadelman6222]

What is the biggest ohm level makey makey can still work with ? 300? 500? 1000?

[@speakeasydoorman4966]

Very good job...kudos to you

[@martinbrandt8789]

can i use this ink to paint a baby bootie and then copper coat it with electrolysis?

[@jamesroy2868]

With out battery it will work or not

[@fransjebik8554]

Hi, very good explanation. Have one question: at 5.17 you do something in the carbon paint. It has a red thing to close it. I cannot hear what you are saying. Can you give the name of it please?

[@medfreerecovery3022]

It's actually at 3:25. It is water-based glue.

[@emmanuelgonzales7381]

what is the essence of making a conductive ink?

[@juri1190]

i wanted buy some ink on amazon for 10€, thank you for the video!

[@AKIAIAIA]

did it work ?!

[@beautyfull5244]

for how much time does the product last ? and is there a way to concerve it please ?

[@livenotonevil8279]

How long should the coal chunks soak in the bowl?

[@MadNicky]

Where do you get the code from the last circuit?

[@RonioFOX]

ink is needed or only glue is ok?

[@ihzanursyahbana7773]

excuse me sir, is the conductive ink that you make waterproof?

[@brunoschoofs3951]

finaly something usefull thanks mate

[@jgaguilar]

Your background music is also the same one used in the mobile game, Astro Party?

[@nv3796]

What to add in the Conductive Ink so that it produces more heat (for a completely different application)?

[@oramibunn]

okay so i have two questions that I'd like answered. first is would this work on any surface like glass, wood, plaster, ext.? second is i have charcoal art pencils, could i just draw with those and make a circuit or do i need all the extra stuff? please answer as soon as possible!

[@blackterminal]

Why does he have to answer you. Are you paying him? LOL.

[@coentertainer]

Alright ToxicJuice let me break it down for you, I've got a question I need to answer right now. What type of art do you make with your charcoal pencils. Get back to me asap!

[@blackterminal]

What type of fart after eating the charcoal pencils. Get back to Michael asap.

[@oramibunn]

(michael lennon) I draw pretty much almost anything from fantasy, to realistic, to anime, and even sometimes gothic horror. I just draw and enjoy it so really there is no specific type of art that I dislike or like more than the others. Now I have a question for you, why is it that you wanted to know what type of art I draw?

[@coentertainer]

ToxicJuice I'm an art aficionado and was made curious by your post but I have another question that you need to answer right now! Where can we see some of your art online? Get back to me as soon as you see this!

[@arashm12]

Professional video. What is name of the music playing in background?

[@hrfabarac]

Awesome! Thank you so much

[@jonathanpedros3336]

can i use this as an electrical tape or as a traction tire for my train model?

[@loveforbioinfo]

Can we do a coating on glass slide instead of paper? Let me know asap thanks!

[@swlewis07]

Awesome 👍

[@Masia46]

Bro your the best xxx

[@OpenGL4ever]

Which glue should i use? Does solvent-containing glue work or shout it be a water-soluble glue?

[@TheKansascinqs]

Can this ink be used to cut glass when microwaved? Great demo by Robert Murray-Smith shows how it can be done with a conductive ink with expensive ingredients in bulk. Im looking for a smaller, cheaper answer for cutting stained glass sheets for mosaics. Please let me know and thank you for the great tutorial

[@bcnloft]

+steph c wow nice idea! I just don´t know really, its something you could try, I imagine the commercial ink works because it heats up with the microwave over, maybe because the silver and shiny objects react with microwaves (I know they can create sparks) but dont know if charcoal would react the same way as silver ink

[@wilfredolora2081]

Nice, thank

[@Yorumcu63]

nice video

[@masseykev]

this is so awesome

[@danyal38]

too much sulphur

[@meninpursuitofpurpose3331]

For musicians with very small hands, painting the keys with a smaller width while assuring less space between the keys will make playing the piano/keyboard an option. Smaller paintstrokes could make the biggest difference, especially to a child. What do you think?

[@hazimzakout4014]

Can I use the graphite from carbon battery instead of using coal? The resistance of graphite rode is very low (approximately 5 ohms )

[@bcnloft]

+hazem zaqout you should try!! and let everyone know how it went! I also heard graphite is really good so it would be interesting to know if its very efficient in a home made ink

[@rinoliuzzi2942]

tanks!!

[@ahmedsalem4057]

Using carbon from battery cell is too dangerous so be careful using it with bare hands

[@AZURA888]

what if you add salt, acid, cooper or aluminium in powder or limejuice??

[@AZTECMAN]

+Carlos Herrera you should try, and find out.

[@coyaxx2770]

is that a regulation size cooper or a mini cooper?

[@coyaxx2770]

Marvin Cooper lolol

[@udkr6944]

Now that wud be a lemonade, add some ice too....

[@commandosyamim1630]

Can i use graphite powder from pencil lead instead of charcoal powder??

[@commandosyamim1630]

Thanks Sead!!

[@leonardorodriguez3363]

can we have have the same results with the graphite in a pencil? I want to learn electronics could recommend me a book to start?, something easy like electronics for dummies

[@AdonisMunck]

Khan Academy has courses in electronics.

[@NJEnemy]

and would this be good enough to electroplate plastic at 6volts? also what about adding fine powder graphite from a pencil into the mix?

[@kyfisher3662]

what dose the resistance measure out at when painted on somthing?

[@udkr6944]

yups im waiting for that too

[@GS-bd9zh]

Doesn't mention the real part of the experiment

[@IroquoisPliskin]

ok, great, but can you solder on it?

[@nanafalke]

No the paper will burn

[@IroquoisPliskin]

nanafalke I mean on a PCB.

[@miique]

I'm pretty sure the solder won't stick to the ink. A practical use on PCBs may be connecting two traces together; just keep in mind it won't work if the PCB has some sort of protective coating on it.

[@pbat118]

I would of thought metal fillings would be best also I did not know wood or carbon was conductive learn new things every day hey wow great vid

[@9bhatti9]

you are the best problem solver so pls one vdeo on how to make high bright lumilor as LG pannel light for oled.....

[@komillz]

Thanks i will make it too

[@deepchandrakar7966]

Can i use indian glue colour?

[@brandonbroussard8820]

Between charcoal and graphite/graphene, what is the most effective to make an ink for electroplating?

[@Rem_NL]

kzbin.info/www/bejne/faDUlJunj8uAecU

[@ClownWhisper]

poking around on the charcol will not tell you what is under the top layer. its not going to be any sort of accurate way to judge its overall resistivity

[@jesusriosbenitez]

@marketboat Why does one piece of carbon have more resistance than another? Is it because it was less time on fire? What are your conclusions? a greeting from Spain

[@Innomen]

Could I make crude wire by impregnating string with this ink?

[@theLuigiFan0007Productions]

Theoretically, yes. But don't expect it to carry more then a few mA, and it will crack often.

[@DrUmSensitive]

Would this ink be a good solution to fix key contacts on rubber buttons for, say, Tv remote controllers or synthesizer keyboards? I am looking for a solution for that, actually. Thanks for the video!!

[@slowbrain8869]

Did u find any solution? My synth keys are broken

[@luqmanrashid1651]

can we use pencil graphite insteasd of charcoal?

[@ronr4728]

yes, any conductive material will do. Graphite can give thinner conductive tracks. Read up on graphene when you can.

[@ClaudioFontachannel]

thanks friend

[@kumarjalla698]

Does the paint works at 230volts current

[@KasuraIchimaki]

Thank you

[@jamesbryan7501]

can this be used as "wire glue" as well? i am wanting to use SMD LEDs in an iron man arc reactor but solder irons could possibly damage the components because im not skilled at that level of precision work.

[@bcnloft]

+James Bryan Hi James, it would be cool if you can try it out, but hopefully with cheap components in case you ruin something, also in case you need a lot of current, this ink has a lot of resistance, as long as you apply a low current nothing should happen except that its not as conductive as commercial silver based ink

[@MrGg021]

great vid

[@jamesroy2868]

I want to learn basic of electronic

[@bimazivanovic4784]

Will it work after being dried?

[@sandhyabhosale6328]

It won't be like paint to spread but it will be conductive

[@nimasoleymani7391]

sorry when I use graphite powder instead of coal and mixing it without blender, most of graphite are deposited. first I want to know does using blender has so much effect on depositing graphite or other allotropes of carbon ? second is blender get completely clean after blending coal and water? thank you so much.

[@arturolaraya3024]

excelent!!! gracias

[@juliocavalera9293]

i have graphite powder how to mix that with liquid and what the good liquid for it is?

[@theLuigiFan0007Productions]

Use just enough water to make a paste. They won't mix without surfactant, so for every 1tsp of water, add a few drops of dish soap. Then thin it out with a very small amount of paint or glue and add alcohol if you need to thin it out further. This will also speed up the drying process. Then, brush it onto the surface you desire and let dry.

[@dzplayer0149]

what that thing you used to check the carbon ?

[@iangabriel299]

Multimeter

[@dzplayer0149]

@@iangabriel299 dude. its been 3 years. but thanks :)

[@rootcipher7338]

awesome thanks

[@fatatug]

I try to make this ink a lot of kinds of glue but I see that it can not make electricially conductive. I've used silver and activated carbon. So please tell me how can you achive this conductivitiy via glue?

[@bcnloft]

Did you try clear, water based glue? Did you test the conductivity of charcoal before blending? Did you check the conductivity of the mix before adding glue? It could be that the pieces of charcoal you used were not burnt enough and the quantity of the carbon element is not large, did you used wooden charcoal? In many countries there is stone charcoal which pretty sure won't work with the blender :)

[@fatatug]

Active carbon and silver is good conductive materials which I've used. I've used silicone and super glue as adhasive. I've added metals as high capacity. However after glue is dried since surface of this paste is glue this paste does not becomes conductive. I wonder how can achive this conductive ink as video. It's impossible since surface of paste is polymer!

[@fatatug]

Activated carbon resistance is 30ohm.cm. I've used White glue which is water based. Final mixture is 200-300 kohm.cm. However this paste is not well. I want to use liqud silicone. How can I achive this issue?

[@bcnloft]

+fatih atatug i don't think super glue works, probably silicon either, the ink worked very well with clear, transparent water based glue as shown in the video, probably both super glue and silicon have chemicals that create a structure that is very resistant to electricity, like polymers that are completely non conductive, sorry

[@fatatug]

In Industry it's sold RTV electrically conductive silicone with using active carbon. How can they make I can not understand.

[@_panilaperman9881]

Are any of these processes are (like blending the charcoal) poisonous/toxic? Im planning to do this at my science fair and the process and product itself must be eco friendly, or something.

[@kreynolds1123]

You might improve your chances of making your charcoal better conductive by limiting access to air. Wrap a dried block of wood in aluminum foil, better yet, fill a steel paint can and let it vent volitals, hydrogen, and carbon monoxides as the wood undergoes pyrolysis to charcoal. You need to ensure the fire heats the can long enough to complete the process.

[@LexLuther-sf3zm]

To answer most peoples question. Once it dries. Its still conductive. This is what people use to copper plate flowers, plastic, paper. Things that are not conductive. I once copper plated a dollar bill

[@johnnyclaimerhaddadin195]

Very interesting 🤔

[@felixreinaldo4752]

I already made it, but what kind of glue that i can use for pcb, it can't stick at pcb. Answer pleasee

[@paulsmith-gi5vm]

Have you tried cyanoacrylate or super glue the slower curing type applied first not blended with the powdered conductive charcoal. Then before it dries shake the conductive dust over the glue from a salt shaker. I would think creating rust powder from a steel wool pad,or copper chore boy dampened with vinegar then dried and pulled apart and mixed with the chared dust would improve conductivity. One might also give clear nail polish a try using the paint and shake method.

[@arpitkukadyia1000]

we can use a lead of pen pencilof a pencil