DIY Automatic Alcohol Dispenser ($3 No Arduino Needed)

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  • เผยแพร่เมื่อ 28 เม.ย. 2024
  • Build the simplest $3 Automated Alcohol Dispenser without using Arduino. Keep your hands clean by filling it with liquid soap, hand sanitizer or with rubbing alcohol. By reducing physical contact, an automated dispenser keeps virus from spreading around in communal areas.
    INSTRUCTABLE TUTORIAL:
    www.instructables.com/id/DIY-...
    THE DESIGN:
    I've seen several Arduino automated liquid dispensers circulating the web. I find using Arduinos a bit overkill for this specific project. Arduinos are far too expensive. I figured using a simple transistor or MOSFET would do the job, which would also drastically reduce the costs. Obviously, the absence of a micro controller removes control of over spilling, but then, I did find out that using a smaller nozzle would physically limit the flow of liquid. There are several two transistor RC circuits that would solve the over spilling problem but the single transistor design works well, given that you choose the proper nozzle size.
    #FIGHTCOVID19 #COVID19 #DIY #CoronaVirus
    __________________
    COMPLETE KIT! (E-Gizmo/ Philippine Order)
    www.e-gizmo.net/oc/index.php?...
    __________________
    Parts & Materials:
    - Proximity Sensor ($0.6 - bit.ly/3ape7I2 )
    - DC Water Pump ($1.8 - bit.ly/3ayT5qJ or $3 - bit.ly/3aouip4)
    - TIP32C PNP Transistor ($0.2 - bit.ly/39oAZpO )
    - Aquarium Tubing
    - Old Glass Jar
    - Old Ballpen
    - Sanitizer/ Rubbing Alcohol
    __________________
    Schematic Link: ( bit.ly/2UljPVM )
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ความคิดเห็น • 1.4K

  • @CrezymedJohn
    @CrezymedJohn 4 ปีที่แล้ว +157

    An example of EXCELLENT VIDEO TUTORIAL: short, to the point, clear, no BS. Keep very good work! SUBSCRIBED.

  • @daniellepesci
    @daniellepesci 4 ปีที่แล้ว +67

    The best minimal design so far! Great job!!!! Unlike others, I love how you didn't use an arduino to overkill this project.

  • @TheKarpinTechy
    @TheKarpinTechy 4 ปีที่แล้ว +6

    Nice! simple and effective!winner!love the simplicity!

  • @mdalibmaris5175
    @mdalibmaris5175 4 ปีที่แล้ว +1

    Your explanation is very clear and I hope to try out this project since the components are easily available. Thanks.

  • @saeed6811
    @saeed6811 4 ปีที่แล้ว +7

    Now you can upgrade this by inserting a small perfume ball valve near the discharge port of the pump so that the fluid doesn’t go back to the tank everytime you it goes off. This will act as a gravity one way valve or a check valve. Fluid output will be smooth as sanitizer.
    You can find the metal 2-3mm metal balls in so many place. Bike hubs, perfume bottles etc. Nice project.

  • @kenter89
    @kenter89 3 ปีที่แล้ว +23

    Great tutorial! Hoping you can teach us to make our old AC powered conventional study lamps into DC powered rechargeable lamps.
    More power to this channel!

    • @TechBuilder
      @TechBuilder  3 ปีที่แล้ว +1

      I'll add that to my list :)

  • @OtisAdonisChad
    @OtisAdonisChad 3 ปีที่แล้ว

    Loved the simplicity of the project. Subscribed!

  • @bryan_aka_bryab
    @bryan_aka_bryab 2 ปีที่แล้ว +2

    I just made one for my year end project, IT WORKS!!!
    THANK YOU SO MUCH

  • @Thinkdifferentsagnic
    @Thinkdifferentsagnic 4 ปีที่แล้ว +5

    Great bro . I wish to make a project with you someday

  • @allsaintsmitcham1312
    @allsaintsmitcham1312 4 ปีที่แล้ว +8

    Ya you !!
    Love the no Arduino aspect. Of course you are right. !!
    Well done !!

    • @TechBuilder
      @TechBuilder  4 ปีที่แล้ว

      Thanks!!!

    • @eddiemaglasang1059
      @eddiemaglasang1059 3 ปีที่แล้ว

      @@TechBuilder Hey!, I love your DIY project very good , nice and helpful.
      Could pls. a vid using this with a solar panel or a solar powered DIY contact less alcohol dispenser? hoping foe your response
      - willing to learn and an avid fan😊

    • @gakwavudavid1394
      @gakwavudavid1394 3 ปีที่แล้ว

      I'm not understanding how this works, help me out please

    • @AshLynx-rr9wy
      @AshLynx-rr9wy 3 ปีที่แล้ว

      @@eddiemaglasang1059 Please help can I use 1k 1W resistor or 1/4 W is compulsory ...please help

  • @ASPIRE_80s
    @ASPIRE_80s 3 ปีที่แล้ว +1

    Made this, thanks for sharing, a great DIY project!

  • @Bob_V
    @Bob_V 4 ปีที่แล้ว +4

    That was really cool, Thank You !!!!

  • @enimativd9106
    @enimativd9106 3 ปีที่แล้ว +275

    I just did this !!!
    man I feel like I'm now worthy for some NASA projects ;)

    • @akshitaddanki3607
      @akshitaddanki3607 3 ปีที่แล้ว +5

      I tried doing this but my motor is not turning on at all!. I have tried this many times , could you please help me out?

    • @dnyaneshjalamkar4257
      @dnyaneshjalamkar4257 3 ปีที่แล้ว +2

      @@akshitaddanki3607 first ckeck your ir sensor by just giving it dc 5v supply. Then proceed for other connections.

    • @akshitaddanki3607
      @akshitaddanki3607 3 ปีที่แล้ว +1

      Dnyanesh Jalamkar yes I have checked it and it is working absolutely fine..but my motor is not turning on :(

    • @abuhasnath5666
      @abuhasnath5666 3 ปีที่แล้ว +2

      My motor work automatically when i connect the power. I used TIP 122NPN Transistor and 6v motor

    • @dnyaneshjalamkar4257
      @dnyaneshjalamkar4257 3 ปีที่แล้ว +1

      @@akshitaddanki3607 I made it today and it is working perfectly fine. You might have fried the transistor while soldering. Try with another transistor (attach a small heatsink to it while soldering).

  • @TitaArlet
    @TitaArlet 4 ปีที่แล้ว +111

    Lol im not sure why im watching when the only materials i recognized were pen, nescafe bottle, and hot glue 😂 but woah that seemed simple and amazing!

  • @alexelwebman
    @alexelwebman 3 ปีที่แล้ว +1

    Nice one. I am gathering all the elements to make one. Thanks for sharing, it is inspiring and makes me want to take the same steps!

    • @alexelwebman
      @alexelwebman 3 ปีที่แล้ว

      I actually managed to recreate this project. Really fun. Thanks for sharing!

  • @praveendeshmukh192
    @praveendeshmukh192 3 ปีที่แล้ว +1

    This is a fabulous project

  • @x9x9x9x9x9
    @x9x9x9x9x9 4 ปีที่แล้ว +9

    Hey I love the channel being active again. These projects are great and just in time for lockdown.
    I am going to be the pronunciation police here though. Isopropyl its pronounced like eye-so-pro-pull. At least in American english. If I recall you are in the philippines so I fully get not knowing this and it does not bug me but I know if I was saying a word wrong I would want someone to tell me how its pronounced.

    • @TechBuilder
      @TechBuilder  4 ปีที่แล้ว +2

      Thanks! My bad, got it! Thanks for this :)

  • @FunnyFantasticFail
    @FunnyFantasticFail 4 ปีที่แล้ว +87

    The industry of automatic alcohol dispenser will hate this trick.

    • @cholav9745
      @cholav9745 4 ปีที่แล้ว

      True sure they will

    • @alfonsovidal6142
      @alfonsovidal6142 4 ปีที่แล้ว

      This invention is magnificent, I did it to automate the faucet of the washbasin.

    • @hoobastanky
      @hoobastanky 4 ปีที่แล้ว +1

      yes they are charging in portugal 230 euros for 1 ...

    • @MRSINGH-xb4fh
      @MRSINGH-xb4fh 3 ปีที่แล้ว

      I M FROM THE INDUSTRY AND I M LOVING IT IT WILL SAVE MORE MONEY HAHAH

  • @aairadhafwatulaisy7718
    @aairadhafwatulaisy7718 3 ปีที่แล้ว

    I'm student of biomedical engineering.. now I'm still searching for my project and thankfully i see your video. I think i want to try your idea. Thank you very much✨✨

  • @ramdesignlabs9595
    @ramdesignlabs9595 3 ปีที่แล้ว

    A good application of switching function of a transisistor

  • @edgarsdiytv5535
    @edgarsdiytv5535 4 ปีที่แล้ว +13

    Can we add a timer ic here. Timer will do pump motor to run precisely. And prevent over spilled.

    • @jamesfarnarkler
      @jamesfarnarkler 4 ปีที่แล้ว

      Yeah, time a shot of your favourite spirit.

    • @alexstone691
      @alexstone691 3 ปีที่แล้ว

      This could be made nicely using a 555 timer

  • @xyrileinzencarin2793
    @xyrileinzencarin2793 3 ปีที่แล้ว +8

    Hi! You're probably not gonna see this comment.
    But I just wanted to say that the style of your videos reminds me of the late Grant Thompson, I surely do miss his vids and it's kinda nice that I was reminded of him again.
    Also salutations from a fellow countrymen! Stay safe y'all
    P.s. love your vids!

  • @gordslater
    @gordslater 3 ปีที่แล้ว +1

    This is great - I made a bedside vodka dispenser using this design: Industrial pump, 25 litre vodka container and tube straight into my mouth, activated by blinking my eyelids.
    I tried activating it by waving my hand but after the first litre or two I couldn't even lift my arm. With the eyelind blink activation I can now get vodka as soon as I wake up.
    I used the leftover tubing for a catheter which neatly solves the problem of no longer being able to walk after the first 30 minutes

  • @iamarpanghosh
    @iamarpanghosh 3 ปีที่แล้ว

    You are a genius...I can't think about this without Arduino....and you did that in real life :) Amazing.

  • @razurio2768
    @razurio2768 4 ปีที่แล้ว +28

    using a peristaltic pump would be probably better with some alcohol tolerant tubing

    • @namannitant
      @namannitant 3 ปีที่แล้ว

      Can 5v mini peristaltic motors give enough flow rate .. ??

    • @namannitant
      @namannitant 3 ปีที่แล้ว

      And what will b alcohol tolerant tubing

    • @drabhirambhoyar84
      @drabhirambhoyar84 3 ปีที่แล้ว

      I tried this . But dont know what I messed
      As the pump is running continuously on turning on power
      Also the proximity sensor I got had 4 terminal namely AO DO GND VCC
      Plz help

  • @jaredbradley2223
    @jaredbradley2223 4 ปีที่แล้ว +3

    I love this DIY and I am looking to use it for a different application. Would it be possible to use this with a 3000 l/h water pump? will I need to use a traditional power outlet cable, will that melt, or will the usb be strong enough?

    • @TechBuilder
      @TechBuilder  3 ปีที่แล้ว

      you need a relay :)) Just replace the load with a 5v relay

    • @txnart-putrasatria
      @txnart-putrasatria 3 ปีที่แล้ว

      @@TechBuilder hey man do you have ig ? Please help me make the diagram using 5v relay

  • @zeno2712
    @zeno2712 4 ปีที่แล้ว

    Very simple and elegant!

  • @Norsofiana
    @Norsofiana 3 ปีที่แล้ว

    I'm gonna try this! Thanks buddy!

  • @Farmelle
    @Farmelle 4 ปีที่แล้ว +11

    One note. Beware on the wire colour in the USB cable. Often times they don't follow standard colouring, so it's worth checking the polarity with a multimeter if you have one.

    • @TechBuilder
      @TechBuilder  4 ปีที่แล้ว +5

      Agree! Although it barely happens, I've had the same enounter before. It damaged my project. I did however check it on the actual video, the clip was removed to shorten the video length.

    • @wilmercb
      @wilmercb 2 ปีที่แล้ว

      @@TechBuilder Can I use a IRF 520 transistor? Thanks

  • @gortnewton4765
    @gortnewton4765 4 ปีที่แล้ว +74

    Nice. Can be used to dispense all kinds of things, whisky, rum, gin etc.

    • @edinsanjose2856
      @edinsanjose2856 4 ปีที่แล้ว +4

      yes of course my friend. have a nice day

    • @rajavelr8111
      @rajavelr8111 4 ปีที่แล้ว +1

      super.. bro.. good idea.

    • @AshLynx-rr9wy
      @AshLynx-rr9wy 3 ปีที่แล้ว +1

      Please help can I use 1k 1W resistor or 1/4 W is compulsory ...please help

  • @dr.aniruddhapatil9418
    @dr.aniruddhapatil9418 4 ปีที่แล้ว

    Super simplified bro.
    Thanks

  • @siroedhiekreasi
    @siroedhiekreasi 4 ปีที่แล้ว

    Very briliant idea, good job brother

  • @pixiedustin6380
    @pixiedustin6380 3 ปีที่แล้ว +10

    This is great! Just wondering, won't the wire inside the tubing rust eventually?

    • @gurpreetdol6511
      @gurpreetdol6511 3 ปีที่แล้ว

      try using stainless steel wire, they dont rust

  • @techyswami4649
    @techyswami4649 4 ปีที่แล้ว +4

    is there any other transistor we can use ? which one is easily available like pnp BC557

  • @estefaniaquinteros2184
    @estefaniaquinteros2184 3 ปีที่แล้ว +1

    Excelente tutorial!! Felicitaciones y gracias por compartir.. saludos desde Argentina 🇦🇷

  • @vishwanathryadav1287
    @vishwanathryadav1287 3 ปีที่แล้ว +1

    thank you very very much for your fabulous project superb man

  • @masshysteria1589
    @masshysteria1589 3 ปีที่แล้ว +4

    I have a suggestion to improve the design. Connecting a capacitor and resistor to the transistor can help make a cheap timing circuit. This is good if you're only trying to dispense a small amount of liquid like rubbing alcohol on your hand. It also helps alleviate some problems when glitches on the sensor module might occur or when you point an autofocused camera to the sensor that might cause it to unintentionally go off and dispense large amounts of liquid.

    • @cordcradleco.2429
      @cordcradleco.2429 ปีที่แล้ว

      what kind of capacitor?

    • @JceeB
      @JceeB ปีที่แล้ว

      Can you teach us on what type of capacitor is needed? And where to put the capacitor? Because my main problem is the current is slow when you try to activate the pump(we tried it on the breadboard) so the main problem that I have is the slow flow of the current to the pump

  • @megsman4749
    @megsman4749 3 ปีที่แล้ว +16

    For those concerned about the wires and pump being immersed in alcohol, you can probably put the pump outside of the bottle then just insert another tube into the bottle for the source.

    • @LakhanSingh-nc3ss
      @LakhanSingh-nc3ss 3 ปีที่แล้ว

      Yes

    • @kanna7013
      @kanna7013 2 ปีที่แล้ว

      I made this but whenever I try to put the battery, it automatically starts pumping; after that it functions normally. Can you tell me what's the problem?

  • @deevishnd
    @deevishnd 4 ปีที่แล้ว

    tried it.. works beutifully.. thanks

  • @fushdrop
    @fushdrop 2 ปีที่แล้ว

    U SAVED MY LIFE IN ROBOTIX CLASS THANK YOU !!

  • @TheTubejunky
    @TheTubejunky 4 ปีที่แล้ว +6

    Good idea..... however I think after a bit of time the alcohol will corrode that motor (oxidizing the metal shaft) and possibly the glue/adhesive that holds it's housing together. There is also the chance of ignition of the alcohol from the small arcs those DC motors make when powered.
    Perhaps run this for months and see what the outcome is.

    • @TechBuilder
      @TechBuilder  4 ปีที่แล้ว +9

      Thanks! I've been running this project for almost 2 years now, the older one that is. This one's just a documented remake. I had exactly the same concerns, so far so good. As for the arcs, as long as there are no oxygen or air to feed the fuel from sparks, I doubt it would ignite.

    • @namannitant
      @namannitant 3 ปีที่แล้ว

      Dis does look risky , may using a brushless submersible pump or peristaltic pump is safe option ...
      Can a 5v peristaltic pump give such a result ??

  • @omkr0122
    @omkr0122 4 ปีที่แล้ว +93

    Disclaimer: DIY Automatic Alcohol Dispenser is for washing hands only. For all other purposes, visit your refrigerator for a beer!

    • @WasiMaster
      @WasiMaster 4 ปีที่แล้ว +1

      Lol

    • @MagicSpamDragon
      @MagicSpamDragon 4 ปีที่แล้ว +1

      the deception was real :( i thought oh this will be neat then it just went oh

    • @dr4jm
      @dr4jm 3 ปีที่แล้ว

      Just a few more tweaks and my whisky dispenser is set. Next is how to calibrate for double shots.

    • @SirDella
      @SirDella 3 ปีที่แล้ว +1

      @@dr4jm GreatScott! made a cocktail machine, but it's a lot more complicated than this

  • @alifasaurus4521
    @alifasaurus4521 3 ปีที่แล้ว +2

    Thank you, man. i’m gonna use this for my science exhibition, wish me luck😁

  • @fdiy8612
    @fdiy8612 4 ปีที่แล้ว

    great project , superbly explained, can we use a 9 v battery to power it?

  • @theidealisticman
    @theidealisticman 3 ปีที่แล้ว +3

    Hey there. Great DIY project.
    I have an issue with mine. The pump is failing to pump the sanitizer all the way up the tube. The sanitizer gets stuck somewhere along the tube.
    Any advice on what I could do to solve this issue?

    • @sanathshet6945
      @sanathshet6945 3 ปีที่แล้ว

      what kind of pump is being used?

  • @eeeeee132
    @eeeeee132 4 ปีที่แล้ว +5

    The performance of the sensor (IR tx + IR rx) seems to alter on the variation of light.

    • @ethicalhacker1
      @ethicalhacker1 4 ปีที่แล้ว

      Use an ultrasonic hr304 sensor instead then

    • @resjandonero2221
      @resjandonero2221 3 ปีที่แล้ว

      @@ethicalhacker1 requires micro controller like arduino to work.. use e18-d80nk sensor.. works outdoors

  • @relectron3272
    @relectron3272 3 ปีที่แล้ว +1

    I made today. Very amazing

  • @robleeandroid
    @robleeandroid 3 ปีที่แล้ว +1

    Amazing! What would you add to the design to make it dispense a measured amount?

  • @SachinBhangale
    @SachinBhangale 4 ปีที่แล้ว +16

    Thanks for video, just one concern, alcohol based sanitizer are extremely flammable, just one spark or heat that dc motor can cause big accident!

  • @erwinjaudines6747
    @erwinjaudines6747 4 ปีที่แล้ว +4

    Same invention with us. We just used Ultrasonic HC-SR04 sensor.

    • @-_HerezGrishmarWienanta
      @-_HerezGrishmarWienanta 4 ปีที่แล้ว +2

      He use 100V 3A transistor but why he use only 5V dc water pump ?

    • @fiqazhar3565
      @fiqazhar3565 4 ปีที่แล้ว

      Is that mean u do not need a transistor?

    • @-_HerezGrishmarWienanta
      @-_HerezGrishmarWienanta 4 ปีที่แล้ว

      Fiq Azhar no, you need itu to be a gate for electricity. Sensor give electricity for base transistor to flow electricity form emitter to collector to pump. It’s be a swticher

    • @fiqazhar3565
      @fiqazhar3565 4 ปีที่แล้ว

      So, can use which transistor?

    • @-_HerezGrishmarWienanta
      @-_HerezGrishmarWienanta 4 ปีที่แล้ว

      Erwin Jaudines already said, pnp 32 transistor. Check in his description

  • @arajoydavid
    @arajoydavid 3 ปีที่แล้ว

    I actually did this last week! Very cool though because it worked. Loved it. Thanks!

    • @nblbil
      @nblbil 3 ปีที่แล้ว

      u make it and it works....... can I know that did u use the same parts and materials on the video?

  • @mr.colbie
    @mr.colbie 3 ปีที่แล้ว

    You're the man Sir,keep it up👏👏👏

  • @MUSTAFA-dq4gs
    @MUSTAFA-dq4gs 4 ปีที่แล้ว +10

    Excellent.... May Allah reward you
    I would like a link to buy the parts because one of the links inside the description box is not working
    رائع ... ..... جزاكم الله خيرا
    اريد روابط لشراء القطع لأن احد الروابط داخل صندوق الوصف لا يعمل

  • @Mahendrasingh-ol5qs
    @Mahendrasingh-ol5qs 4 ปีที่แล้ว +4

    Could you make some unique. Projects like just you maded that BB8 from star wars? 😃😃

    • @TechBuilder
      @TechBuilder  4 ปีที่แล้ว +1

      I have some big new unique projs. Stay tuned! :)

    • @amitsinha657
      @amitsinha657 2 ปีที่แล้ว

      Motor aur IR sensor donon Ek Sath work kar raha hai uske liye kya karna padega bhai batao yaar

  • @nicoscala2523
    @nicoscala2523 3 ปีที่แล้ว +1

    Great video.
    What kind of transistor should I use, for a 12 volts pump ?

  • @asgardodin5743
    @asgardodin5743 3 ปีที่แล้ว

    Thanks buddy I was searching something like this for my summer project, thanks buddy.... :)
    Be safe

  • @matthewsantos505
    @matthewsantos505 4 ปีที่แล้ว +5

    Notif gang rise up

  • @Ziaulqamar1000
    @Ziaulqamar1000 4 ปีที่แล้ว +4

    Why put motor in alcohol?? Also possible fixed tube to input side for injection. Any issue in this please???

    • @TechBuilder
      @TechBuilder  4 ปีที่แล้ว +1

      @@einherjar5311 Exactly! :) I also found out the specific pump I used has a non reactive plastic enclosure with alcohol.

    • @namannitant
      @namannitant 3 ปีที่แล้ว

      @@TechBuilder - kindly suggest the motor which u have used

  • @easysteps6726
    @easysteps6726 4 ปีที่แล้ว

    It's fantastic...low cost automatic hand sanitizer..නියමයි...හරිම අපූරුයි..

  • @Joao-be2gl
    @Joao-be2gl 4 ปีที่แล้ว +1

    Very nice project. I have a question: will the pump resist alcohol? I think it was made just for water.

  • @edifierbass7821
    @edifierbass7821 4 ปีที่แล้ว +4

    Nice much cheaper, I've also seen the first version cool now to build this No problem for me I can Diy this easy cause I know electronics but for a simple person with less or No knowledge they can't do this but they can try though; Or maybe I'll just build one or two and donate it to a Hospital thanks god bless

    • @faridayasmin3882
      @faridayasmin3882 4 ปีที่แล้ว

      I can't find tip32c transistor.
      Can I use bc557 instead??

  • @saitouyuuji2290
    @saitouyuuji2290 4 ปีที่แล้ว +29

    This would gonna big fenomenal in Russia.

    • @adamsmith2719
      @adamsmith2719 4 ปีที่แล้ว

      ...gonna be big......:-) and I agree, meaning согласен :-)

    • @hunny333
      @hunny333 4 ปีที่แล้ว

      what’s wrong with hand sanitizers?
      Though the occasional use of a hand sanitizer isn’t going to hurt you, regular use over time can cause a lot of problems:
      1. DRY SKIN
      We told you about the dangers of alcohols in skin care in a previous post. The alcohols used in hand sanitizers include isopropyl, ethanol, and n-propanol. These are the drying alcohols we told you about. They irritate the skin, strip away it’s natural oils and acid mantle, dehydrate cells, and increase risk of contact dermatitis.
      2. ACCELERATED AGING
      All those drying effects can lead to increased appearance of fine lines and wrinkles, as well as calluses, cracks, and flakiness. Over time, alcohols can disrupt the natural barrier function, reducing skin’s ability to protect itself, and leading to increased dehydration.
      3. DAMAGED SKIN
      Scientific studies have shown that alcohols can actually damage skin cells.
      4. ANTIBIOTIC RESISTANCE
      Many hand sanitizers these days are made with triclosan (more about triclosan in this post). This antibacterial has been found in animal studies to disrupt hormone function. It’s also connected to the rise of so-called “superbugs”-bacteria and viruses that can resist antibiotics. The CDC announced in 2013 that the rise of superbugs (as a result of overuse of antibiotics) was a serious threat to human health, and had caused at least 23,000 deaths that year.
      5. UNKNOWN CHEMICALS
      Many hand sanitizers are made with chemical fragrances. Since manufacturers are not required to list fragrance ingredients on the label, you don’t know what you’re exposing yourself to. Many fragrances are irritating and have been linked to allergies and hormone disruption.
      6. WEAKENED IMMUNE SYSTEM
      We think we’re reducing our risk of getting sick when we use hand sanitizers, but they can actually weaken the immune system. Studies have shown that ultra-clean environments-particularly early in life-can contribute to reduced immune defenses later on.
      7. THEY JUST DON’T WORK AS WELL
      The FDA states that currently, there is no evidence that antibacterial soaps (and sanitizers) are any more effective than regular soap and warm water in helping to prevent the spread of germs. A 2000 study found that sanitizers do not significantly reduce the amount of bacteria on the hands, and may actually even increase it. Researchers added that the products strip the skin of its natural oils-and since those oils usually prevent bacteria from coming to the surface, the sanitizer can actually reduce the skin’s own defenses.

    • @aishakhan4072
      @aishakhan4072 3 ปีที่แล้ว

      th-cam.com/video/HPFJp2Eq-Rg/w-d-xo.html

    • @itscloveryt4691
      @itscloveryt4691 3 ปีที่แล้ว +1

      @@hunny333 nothing in this world is perfect, not even the healthiest veggies could have a little harm on you.

  • @jamescook9592
    @jamescook9592 4 ปีที่แล้ว

    Good job. You should be proud. Keep going👍

  • @nivedithasuresh8378
    @nivedithasuresh8378 4 ปีที่แล้ว +1

    I tried it and the result was amassing.

    • @tushardheer777
      @tushardheer777 4 ปีที่แล้ว

      How about using a cell battery at the end?

  • @BigHesh81
    @BigHesh81 4 ปีที่แล้ว +7

    Is there any way to control how long the pump is activated for once the sensor detects a hand?

    • @onebacon_
      @onebacon_ 4 ปีที่แล้ว +6

      In this configuration no, because the proximity sensor shuts off immediately when nothing is detected. It will run as long as something is in front of it.
      This could be limited to prevent abuse with a second transistor and a rc circuit which cuts the connection when the capacitor is fully loaded and resets after a short decharging period.

    • @TechBuilder
      @TechBuilder  4 ปีที่แล้ว +1

      I agree with @oneBACON . You can use a two transistor circuity or perhaps use a 555 timer to add intervals, although the 555 wouldn't give you the cut you need.

    • @davey2k12
      @davey2k12 4 ปีที่แล้ว

      Why not use small relay and delay it with capacitor and diode

    • @Jczeph317
      @Jczeph317 4 ปีที่แล้ว

      @@onebacon_ I understand the principle behind what you said, but could you elaborate on what type of transistor, resistor and capacitor I would get and how that would be wired together?

  • @pyrojason
    @pyrojason 4 ปีที่แล้ว +3

    I keep looking for this "Like and Subscribe" button but I can't seem to find it anywhere! :P

  • @adityahi-tech1893
    @adityahi-tech1893 4 ปีที่แล้ว

    Great.. It's simple and amazing project

  • @danielgarcia3895
    @danielgarcia3895 4 ปีที่แล้ว

    You are amazing bro, thanks for this video

  • @princening679
    @princening679 4 ปีที่แล้ว +20

    If u use alcohol it may evaporated because nozil is open.

  • @prc8433
    @prc8433 4 ปีที่แล้ว +3

    Nice project.
    But you should not use submersible pump.
    It is not safe to pump alcohol by these kind of pumps.
    You should use dosing pumps specially made for alcohol & other volatile liquids.
    Rest for your electronic parts you deserve 👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍

  • @rahmatullah1049
    @rahmatullah1049 4 ปีที่แล้ว

    Thank you for the great idea.

  • @sumitgpatil
    @sumitgpatil 3 ปีที่แล้ว

    I am going to make one and will see if I make them in mass production 😍

  • @user-yz8qf1ty9u
    @user-yz8qf1ty9u 4 ปีที่แล้ว +7

    It really releases too much alcohol each time.

    • @herolive4114
      @herolive4114 4 ปีที่แล้ว

      You can choice 1.5k resistor or more. I do that. th-cam.com/video/gz1myLTv0ik/w-d-xo.html

  • @ishigamiyu1991
    @ishigamiyu1991 4 ปีที่แล้ว +93

    I hate how some people just love slapping an Arduino on everything

    • @lisuraoi
      @lisuraoi 4 ปีที่แล้ว +1

      hahaha. You are right sir.

    • @TechBuilder
      @TechBuilder  4 ปีที่แล้ว +11

      Hahahahaha, agree! This just made my day!

    • @TheTubejunky
      @TheTubejunky 4 ปีที่แล้ว +10

      Slaps an Arduino on an esp8266 then a Raspberry Pi 1,2 3 and 4 then a lattepanda, then a pager then a Tiger hand held game then a bucket of sand then a singularity......then boom time machine made! 🎰📠

    • @an_orange8911
      @an_orange8911 4 ปีที่แล้ว +8

      Yeah seriously like they are getting it for free. Arduinos aint cheap especially for students like us

    • @chetansharma6344
      @chetansharma6344 4 ปีที่แล้ว +4

      @@an_orange8911 Chinese clones are $3 a piece, and they are supposed to be used for prototyping.

  • @madsoncampos
    @madsoncampos 3 ปีที่แล้ว

    Awesome!!! it worked perfectly!! thanks a lot

  • @alandiloshan4005
    @alandiloshan4005 3 ปีที่แล้ว +1

    Was very helpful

  • @Schjoenz
    @Schjoenz 4 ปีที่แล้ว +8

    Once again, a very cheap build. Dami ko nakita gumagawa puro arduino ang board. But this one is way cheaper and can even be compact if it has its own housing with a rechargeable battery pack..

    • @haroldmamacydeasis8369
      @haroldmamacydeasis8369 3 ปีที่แล้ว

      san kaya maka bili ng censor?

    • @nette3825
      @nette3825 3 ปีที่แล้ว +1

      @@haroldmamacydeasis8369 may nakita po ako sa shopee around 36pesos lang po

    • @resjandonero2221
      @resjandonero2221 3 ปีที่แล้ว

      lazada at shoppe kaso indoors lng yan guys.. pag may sinag ng araw kahit hindi directly from the sun bsta maliwanag.. aandar ang motor at tuloy2 ang labas ng alcohol..

    • @GamingNKim
      @GamingNKim 3 ปีที่แล้ว

      Paps. Ano alternative transistor ang magamit dito?

    • @Schjoenz
      @Schjoenz 3 ปีที่แล้ว +1

      @@GamingNKim try mo yong MJC32C na transistor.

  • @kingjames-fn8ib
    @kingjames-fn8ib 4 ปีที่แล้ว +5

    Right now buying sensor and motor online is impossible. Nice try though!

    • @muppetpaster
      @muppetpaster 4 ปีที่แล้ว

      Nope, just ordered 5 "sets"

    • @erollin77
      @erollin77 4 ปีที่แล้ว

      Ordered got within 2 days

  • @Drkarthikeyanramalingam
    @Drkarthikeyanramalingam 4 ปีที่แล้ว +2

    excellent work.simple . during dc motor on some amount spark arise from carbon brush. even it sealed any possible chances of fire .kindly explain .crack will come in casing if it immersed in alcohol for long time

  • @bikramsaraf4337
    @bikramsaraf4337 3 ปีที่แล้ว

    This is so cool bro...thumps up for ur creativity

  • @solino2002andrea
    @solino2002andrea 4 ปีที่แล้ว +5

    A little bit "punk", but in the end it works great.

  • @GenuwineG
    @GenuwineG 4 ปีที่แล้ว +3

    Chinese lady- hurry up and buy
    Chinese man- I don’t want any trouble, just get out.

    • @omkr0122
      @omkr0122 4 ปีที่แล้ว +1

      What'd you say about my mama?

    • @GenuwineG
      @GenuwineG 4 ปีที่แล้ว

      omkr 01 Chinese man- I don’t wan corona....just get out.

  • @rajavelr8111
    @rajavelr8111 4 ปีที่แล้ว

    very nice bro.. simple and easy.. congrats...

  • @ibsblive8577
    @ibsblive8577 2 ปีที่แล้ว

    Best project sir!!

  • @cybermenindia
    @cybermenindia 4 ปีที่แล้ว +4

    We have a lockdown in India cannot buy any of these .

    • @tkangwei
      @tkangwei 4 ปีที่แล้ว

      Okay

    • @amitkamalsharma1305
      @amitkamalsharma1305 4 ปีที่แล้ว +1

      If you follow lockdown then there is no need, only simple soap will work at home

  • @Harvz78
    @Harvz78 4 ปีที่แล้ว +3

    That’s useless I can’t find anymore alcohol.

  • @MadebyMickey
    @MadebyMickey 3 ปีที่แล้ว

    thank you for this...

  • @somapoker7779
    @somapoker7779 4 ปีที่แล้ว

    What a nice project! I am going to try this with my kids.

  • @dattebayo10
    @dattebayo10 3 ปีที่แล้ว

    Very nice cost-effective

  • @gurudevmanakawad1547
    @gurudevmanakawad1547 3 ปีที่แล้ว

    THIS IS SO AWESOME!
    Whatd be the circuit diagram with 2 transistors to lessen the flow?

  • @electronic7979
    @electronic7979 4 ปีที่แล้ว +1

    Excellent project

  • @parassutar1157
    @parassutar1157 3 ปีที่แล้ว

    I made this project and it works just fine. This made my day

    • @sanjaychawla1426
      @sanjaychawla1426 3 ปีที่แล้ว

      can you send diagram?
      I made but motor continued running?

    • @parassutar1157
      @parassutar1157 3 ปีที่แล้ว

      @@sanjaychawla1426 Dont keep the dispenser in bright sunlight
      The sensor remains ON

    • @harshgoswami8208
      @harshgoswami8208 3 ปีที่แล้ว

      @@sanjaychawla1426 Same here please help me!!!!!!!!!!!!!!!!!!

  • @akashbiswas5826
    @akashbiswas5826 4 ปีที่แล้ว

    Thank you. It is very easy, I will definately try it...

  • @ojas8578
    @ojas8578 3 ปีที่แล้ว

    AMAZING PROJECT wow wow

  • @liutangdege
    @liutangdege 4 ปีที่แล้ว

    It is very nice to have somebody showing how to this kind of project while staying at home for social distancing. Can you list all the major parts' item name, part #, and where we can buy it? I located the DC water pump at Amazon but have difficult to figure out what exactly the others are and where to go to purchase. Looking forward to hearing from you. Thanks

  • @wisgiat
    @wisgiat 4 ปีที่แล้ว

    Good idea. I'll try it at home.

  • @nguyenyennhi5997
    @nguyenyennhi5997 2 ปีที่แล้ว

    Very interesting and useful. Thanks very much!

  • @official-DRFRE
    @official-DRFRE 3 ปีที่แล้ว

    Keep it Up bro! you are super awesome!

  • @prest4tym577
    @prest4tym577 2 ปีที่แล้ว

    I have needed a similar set up for an invention I am designing. This is a PERFECT MATCH FOR MY DESIGN!! YAY!!!! When I hit $1M ... I'll tip u off

  • @akosijelsonyt2209
    @akosijelsonyt2209 3 ปีที่แล้ว

    nice build