How to make a capacitive touch sensor switch out of anything metal using an Arduino
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- Опубликовано: 23 ноя 2018
- Today I will show you a simple and easy way to turn almost anything that's metal into a capacitive touch sensor switch using only an Arduino and one resistor.
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Legend has it: he’s still in that cave
So true XD
Best cave around.
my man went ham on the reverb lol. Good video!
Thank you, I've been looking for this thing for 1 hour and I found your video that helped me
Wow, 1 pin only and a resistor to make a capacitive sensor!! Genius! I was looking for a simple solution for my rain monitor for months and you showed it to me, great!!
Can you give me a schematic diagram of the electrical circuit?
Ok but i looove the reverb on the voice! It feels like a dream! Amazing! Thank you for the video, it really helped btw
Informative! I was curious how another youtubers synth project had these cool touch buttons, now I understand. Thank you!
Rainbow? 😁
I used 1 M ohm resistor. And value jump from 50 to 10,000 on touching. Perfect thanks.
As is often the case, I needed a little shove in the right direction. You provided it, thanks.
Great video - just wondering how you would amend the sketch to avoid the use of Delay - and use Millis instead?
I have a old server case laying around ima see how well taht works as an antena see how far away it senses, great video.
Very nice! Great stuff! Thanks
Hi what is the different using arduino or not? I saw other video only us TTP223,some resistor and capacitor
I want to make a 3 step brightnes touch sensor for my bedside led lamp 12v,could it be made without arduino?actually for saving cost only
Will this work on nano every? Thanks. Great vid.
this was very helpfull thank you :D
It's case sensitive, capacitiveSensor is different from CapacitiveSensor... But yeah man detecting through 3/4 plywood, plexyglass, etc.. I made some lights for under the bar that's also solar powered, and for the switch I have a sheet of plexyglass with the wire basically taped to the back of it, and no problems.. It gradually increases with brightness because of the PWM controlled mosfet, so the pos actually increases in time as your touching it.. good stuff. +1, a must watch, tnx.
if (val >= 1000)
pos = pos + 1
AnalogWrite(nMOS, pos);
if (pos >= 254){
pos = 0;
delay(1000);
etc. etc. etc. I'm sure u guys get the idea. pretty easy stuff. I'm using 11MMillions of Ω's) of resistance.
I have a strange bug. I'm wiring this as a touch switch on a synthesiser which uses a logic high (5v) to create a gate which trigger a sounds. My oscillator stays on as long as the gate is high.
I modified the code to be momentary rather than latching - i.e. go high for values > 1000 then low if the value goes below 1000 so the note holds for as long as my finger is on the pad. The circuit works great for me when I'm powered by USB plugged into my laptop (uploading the code) but when I swap to the 5v supply the synth is running on I get regular glitches to 0v so the note stutters. Anyone have any idea what is causing these periodic drops to 0v? I can't work it out.
What are the range of them? Do they have much noise to have false detections?
I need something like this for an electronic drum
Basically, I need a trigger for when I touch the cymbal, so I can make a logic for the sound to stop (a "choke effect"), but it can't trigger until I actually touch the cymbal
In your video, it also triggers when you get close to it without actually touching it.
Is there a way to disable that, so it only triggers when touched?
is there an industrial sensor that performs just like this? i want to use it on a machine for finger protection
Nice work!!
I have a question. Do you happen to know the unit of the output in the serial monitor?
Actually I don't think there is one
Jesus Christ that intro is epic!
Would this be possible on rpi 4?
if I have an aluminium enclosure (e.g. a guitar pedal) and I solder the wire to the enclosure (acting like your coin), is it safe to be used as a "touch" footswitch?
I'm a noob, any pointer is appreciated.
Great Video. I really appreciate it. I have to say that echo is like nails on a chalkboard. Is that just me or did you record this with that effect?
Hi what the model arduino you use
thanks man now it's time to copy
do you have any idea why it doesnt work with my Wemos D1 mini? when compiling i allwas get a error mesage: exit status 1
I used this in 12v led strip the serial monitor fluctuates when the Arduino is given 12v of supply any solution to stabilize the readings of serial monitor?
Dunno why you sound like a god in the video but thanks for help!
Is it possible to add a potentiometer instead or the resistor across pin 4 and 6
It will really help as I find that temperature and other factors change the sensitivity.
So instead of swapping out resistors a potentiometer might be very helpful
Please help
Can you guide how to add 1 more sensor with led
Will the capacitor sensor produce very different results if I were to try compare it with glass and plastic?
yes.
Do you know if this wound work as a water sensor? Running one wire around a sump pit and if water touched it, it could alert you?
There are much simpler ways of doing that instead of using this project. Unless you are using pure water it will conduct electricity so all you would have to do is have two terminals at the level you want to have the alarm for the water to be sounded from and just do a digital read of those two points. When the reading is HIGH have a alarm triggered
Hello, is it a arduino nano ? Thanks
what Arduino board are you using???
My goal is to use capacitive touch sensors as the buttons for an Arduino midi controller, is that something that is possible?
I just had the same idea ! It is possible ahah
Could you put multiple of these metal 'switches' on one breadboard?
Yes, You can light at tree objects
Can you give me a schematic diagram of the electrical circuit?
Did you say you could hook it up to your cotter? I think I must've misheard you. I'm guessing you said cutter, like a table saw?
Is it possible to make it work over a diffused glass surface. I can't put metal behind the diffusor as i want to use it as light source
Not likely. A possible workaround would be to place a conductive material (metal) around the edge of the glass, and then using the fact that the value changes as you approach the material.
@@Rallemuuss how can one put a conductive metal around the edge of a glass? thank you
Everything works perfectly when I'm plugged into my laptop, but once I plug it into an outlet on the wall or even through a USB converter to the wall outlet, the sensors all go wack and don't react properly.
If you can. add display to your thing so you can see what's actually is happening when you plug it into outlet. Mine was going crazy when I activate my table to go up or down, but then I changed settings for sensitivity. meaning that it cant be triggered if its not over 5k if you know what I mean. This sensor is not perfect, other things are influence the results sometimes. depends of the environment.
can this be made using arduino uno?
So thankful for this, this could save my project!
Out of anything metal?...🤔, make 1 out of a slipknot shirt
i do not believe that is metal enough. try something with more gurth, please.
Hi, I have a question. So why does my led only blink once every time the cycle is over? It doesn’t turn on whenever I try to do it again.
Make sure that your code is on the loop section or it will only check your if statement once. Also, make sure your delay for that if statement isn't too long maybe.
dos this could work on a car ? / like when you toutch it is mage an angry breathing dragon sound like the car dont like being toutch ? / because i want to do this on my future car in case if people try to posing and be quite stupid to toutch it sow that scare them / and alos that would be cool if that could start a camera if anything append to the car they have the recording
a car that painted not direct to metal
hope you have hunderstand what i want to say im french sow my traduction is not really good because i trie to learn and not use google translate
THANK YOU
Can I bind multiple of these to multiple keys so I have an controller build?
see 7mins into video - he shows you that it can
What happens when we touch the metal plate with another metal?? will it sense?? or will it sense only human touch?? kindly help
guys i am a completely new to this no i need some help, the ardunio switch name can i get it properly as i am unable to select the switch , are all same or different i just need the one which the guy has used usable with 10mega ohm resistor and all
Like the intro music!
same intro song found in hydraulic press channel videos
I want to use capacitive sensor to sense water level without conducting current in water as well as sense moisture in soil without conducting current in soil is this sensor works for both...?pls urgent reply sir??
no
I was thinking making a midi guitar with capacitive switches. I would need to make around 130 of them, there goes that plan. I liked informative video though.
It would be better to use a soft pot/ ribbon sensor to do this. That way you can think of them more like strings. For ex... 6 long ribbon sensors = 6 guitar strings = 6 analog inputs on your microcontroller. Each sensor detects the position that you press. Then your code for each string can reflect reality. The position you touch value can mapped to midi notes.
is it possible to make a capacitive potato touch sensor?
Is there a way to specify the type of object that is touching the tactile sensor in the software?
No
Why it is blinking when we touch it long time
I loaded this video and behold! The voice of GOD! Haha... just kidding. But seriously, informative indeed. I was looking for information on this subject matter but I didn't know a direct connection to an IO pin would do the job! Thanks
Can it be used as distance sensor
U can use IR sensor as a distance sensor...!
This did not work when I powered my Arduino with a battery
Is it works for sensing water?
no
With some modifications yes it could do it.
I think one can make a _model accelerometer_ with this technique, if you know what I mean..😎😉
Hello, I all worked according to your method, saved the code, and then this character appeared:
avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0xec
could you help me？
arduino nano?
Vice video with good explaination, but the echo/reverb is very irritating.
Is there actually a reason you use/have it that way? Speakers on while recording?
Even been in a room bigger that one square meter?
@@kevinp.1842 Ever*
@@kevinp.1842 *than
What happens when you touch without any resistor ?
Then There won't be a voltage regulator and finally you may get more voltage output.. 😜
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For a live animal trap, could this detect a rat?
You sound like you are giving a class in an empty classroom
I'm curious what would happen if you decide a delta between the normal state and state it should be switched and let the arduino calculate the average value over let's say 2 minutes, then make it if(val => average+delta). This could maybe solve the issue of the capacitance changing not only with different mediums but also when humidity and temperature change
Mega!
69 / 5.000
Hello! very good your video! Can I use this library in NANO 33 BLE?
Check out Sidtronics he have similar videos
Thanks now i have switches made out of apples
@@BlondieSL yes
Do you think this would work if you touched it with a pair of gloves? Im working on building a sensor that will activate if a crackhead touches my catalytic converter. He may be wearing gloves.
Can I make something like this to power my CPU ...
Yes man, you just need to use a rele 5v to 220v or 110v