11:14 electroboom approves

@ahmdabdallah5811

3 жыл бұрын

🔴 Why Islam not other religion 1-islam gives logical and simple idea for God - he is A perfect God - he is not a man nor a son of man nor an Idol or a trinity nor limited nor created - he is totally unique and to him belongs all the good qualities 2-Islam accepts all messengers of God -- about 124 0000 and in Islam, we love all the prophet of God and we can’t deny any of them - while in other religions such as Judaism for example - they reject Jesus and Mohammed -- and in Christianity they reject Muhammad ... but in Islam, we accept all . 3-in Islam, there is no mediator between you and God -- you can pray to God directly - there is no need for someone in between... 4- Islam is the Only religion that is Not named after a person or a tribe or a group, its name means submission to the One True God, if anyone anywhere at any time lived the life of submission to the true God alone , then he is a Muslim. 5- In Islam (worship) is not about mere rituals. it's a comprehensive term that includes any deed that pleases God. All good deeds are types of worship, smiling, being sincere at work, saying a nice word, and even treating one's spouse gently, all this is greatly rewarded by God. And in the opposite any deed that doesn't please God is a sin; talking bad about people is a sin, cheating, lying, hurting innocent people, harming the environment. 6-in Islam God is always forgiving - if you always repent (before death ) he will just accept you no matter how great sins you did >he forgive us out of his own grace - there is no price to be paid in order for him to forgive > so it's not like Christianity which says that God can't forgive except by blood of Jesus .. 7-Islam is a way of life - it organises each aspect in your life.. it has solutions and divine guidelines to problems in your life . 8--the sources of Islam also was collected and saved is also amazing -- it never happen to any book in history --- it's through the uncut chain of known narrators which date to prophet time ... besides the millions who memorised it from cover to cover since that time up till today - besides being documented in front of the prophet by known companions! 9-Islam prohibits blind following without knowledge and it invite us to use our brains to know truth, it is based on evidence and logic. The rational mind is the basis for religious accountability and responsibility. 10-the moral system of Islam is v high and perfect and thus the countries that apply Islamic laws in a proper way -- they have less moral crimes. 11-You won't lose Jesus if you accept Islam, but you will just correct your belief in him , In Islam, Jesus stands a good position in Islam as one of the messengers of God together with other messengers.. they were all special and they were all humans like us-- none of them must be worshiped -- we only worship God who sent them . we believe that Jesus was a noble Messenger of God but not divine,,,, we love Jesus and obey his true teachings and pray like him , fast like him , and a person won't lose Jesus if he accepts Islam -- but you will just correct his belief about him 12- Paradise in Islam is a real physical life for both Body and soul, you will go there , eating drinking marrying and meeting with prophets and having wonderful eternally unlike in other religions which they think its only spiritual life. 👉IN ISLAM THERE IS A PURE & CLEAR CONCEPTS OF GOD 🍃🍃🍃🍃🍃🍃🍃🍃 God is One and Unique: God has no partners, no equals and no rivals. God has no father, mother, sons, daughters or wives. God alone is worthy of all worship. God is the All-Powerful: God has full authority and power over all things. Obedience to God does not increase His Power, nor does disobedience decrease His power. God is the Most High: There is nothing above or comparable to God. The attributes of God do not resemble that of His creation. No part of God is present in anyone or anything. God is Perfect: God does not have any human limitations, such as resting on the seventh day after He created the universe. ..

@blackferrets820

3 жыл бұрын

@@ahmdabdallah5811 ok wtf

@88Timur88Bahmudov88

3 жыл бұрын

@@blackferrets820 just report it as spam or something like that

Cool! A tiny pcb robot that moves using piezos would be great!

@VTF5252

3 жыл бұрын

There are piezo based linear and rotational actuators but they are limited to certain surfaces and they tend to resonate at the high end of the audible frequencies making them not practical for many applications. I think applied science has a video on them or at least they show up in one of his videos.

@Sergiuss555

Жыл бұрын

movements based on vibrations suck balls. This little hack is not how good engineering is supposed to work.

I love the fact that you always mess around with small and thin tech, and also inventing small and thin tech too. Keep up the great work dude

@CarlBugeja

3 жыл бұрын

Thank you so much 😊

He just doesn’t stop with weird and cool ideas and projects. And what depth of discovery! Nice work Mr. Bugeja.

it's always a happy day when Carl posts a new vid

I used to play with these when I was young cuz they were in the back of every digital watch and hand-held electronic game, I would take them apart when they broke and salvage the parts. I found what I attached them to changed the sound, a wooden match box almost made one into a passable speaker.

Awesome bro and it's always a happy day when Carl posts a new vid

I really appreciate you actually showing the engineering process!

VALVE's STEAM Controller uses something similar. Not sure if it's the same technology, but the haptics function as both haptic feedback for the controller itself and the twin track pads (In fact, they may use multiple technologies, because the track pad haptics can be felt while the rumble function is active), as well as buzzers that can play short audio sequences.

Awesome creative project! Hope to get my hands on this sometime soon!

This young guy always blow my mind 😌 Love from INDIA ❤️

He touched it!!! He touched it!!!

Awesome work

A PCB button with haptic feedback would be pretty cool! :D

when i was in school i used to use a sine wave generated in audacity. from there you can use an amplifier to pick up the amplitude. i drove them using an ipod connected to some other stuff

What luck, I am currently working on a project where I thought about using those cheap piezo discs for haptic feedback! Great channel freindo!

The amount of force you can get is really surprising. Especially for the expensive haptic ones. I tried to make a small piezo transducer to trace water pipes a long time ago. I couldn't get it to work with the tiny speaker discs, but I think I could do it with those things.

Piezos are my absolutely favourite thing

You can stack those together for more force.

So Coooool Carl - re-purposing at it's best :)

That's Great!

Very cool! I'm currently reading up on haptic feedback to add positive button press indication and I was wondering how effective low cost piezo buzzers would work! Looks like if the design can accept the increased space requirements, those large format pizeo buzzers will work quite well.

You can also use them for a microphone. I want to make a hydrophone for next summer. Using differ sized piezo speakers because of their frequency response. Need a microphone amplifier. Would be nice to measure the frequency response and run an equalizer later on the recordings to make a flat output.

Wow this chips its so fantastic

Nice job

Carl, you're a good man.

Awesome video! This is something I have been very interested in. I need to find an alternative to high assertion force, tactile switches with audible feed back. How much emi do you think this radiates? I wonder if you could somehow still use the simple metal tactile switch as the "activation" element, and use the peizo as feedback + click sound.

You could use it as a button that can buzz as feedback? That's a great idea. Even if the sound is low the feel of vibration is useful in loud environments

Could the touch detection be measured by the impedance change? Using a ultrasonic low power wave, when the piezo get touched the mechanical impedance change can be measured by observing a change in reflected power.

A capacitor you can charge by pressing! For buzzer, the less mass to vibrate the higher fequency you can get. Put your finger on a cheap Piezo buzzer and you will feel that even at low power.

You may use 2 Piezos Back2back. with the Brass-Disks facing outward and feeding in between both Piezos and the outer Brass-Disks. Twofold Displacement at the same Voltage ( But twofold the Charge )

you should try using one as a microphone

@Brain_pocketer

3 жыл бұрын

I don't believe reversing the signal would work.

@ManMadeOfGold

3 жыл бұрын

@@Brain_pocketer a few weeks ago I took a piezo buzzer from an old smoke detector and plugged it into my computer's mic input. It actually does work, but with the caveat that it doesn't really pick up vibrations from the air. Scratching the buzzer yields high quality scratching noises, and if I hold it against my throat or press my lips to it then it can pick up my voice, albeit kind of quiet and muffled. If I had a large, thin, stiff sheet that could pick up vibrations from the air well, then I'm sure it would work pretty well as a crappy mic, but it does technically work on its own. Piezoelectric pickups just like that are used in instruments all the time.

Great Bro 🙏

Piezo actuators also can be used for mist maker.

With a squelch circuit you could use them as an analog control as well, instead of just a button!

This seems like a solution looking for a problem to me.

Wikipedia has a huge table of piezo materials and they have many different properties that are really useful. Many are crystals and ceramics but there are also powders that can be painted on. There are thicker piezo discs for really cheap on aliexpress. I have seen some companies with a HUGE variety of types. Piezos are also used for nm precision XYZ stages and motors which I think is much more interesting. There are also micro walking robots made using piezos

your a tech wizard, carl

Thank you sir new subscriber

Piezo is cool

Have you done any capacitance measurements as youre touching the sensor?

Nice 👍

Proset Carl :) good video and nice production

@CarlBugeja

3 жыл бұрын

Grazzi 🙂

Awesome

Hi, I want to use this piezo buzzer to measure vibration for a project that I am working on. In the table that you share, is clear the difference between the 15 and 65mm when using the piezo as a buzzer. Would it be similar if the piezo was used as a sensor? meaning that the larger piezo would be more "sensitive" to smaller vibrations. Or the diameter of the piezo is not the factor changing the sensitivity of the piezo? Thank you for sharing your projects! Cheers

Is there any big piezo matrix out there? If there is, you can do a small 'virtual touch' layer of you put that on your skin.

Great video Carl! I almost wonder if this is how the Steam Controller gets it’s tactile feedback on the two touchpads, must be something very similar. Maybe that’s something worth investigating?

@ChozoSR388

3 жыл бұрын

Also, as I noted in my own comment, the track pad haptics are also what play the little audio sound bites on power up, shut down, etc.

Hmm I wonder if multiple piezos on a single plate can use cymatics to focus the vibration on different parts of a metal plate by varying the hz on each buzzer.... could possibly 'create' multiple vibration/haptic points on the same plate

I wonder how many functions you could get out of one piezo.

I work with piezo hydrophones. They are much more powerfull. If you send ultrasound under water, you can detect the sound more than 2000 meters away.

Have you tried touching the outputs at 200V peak to peak? What makes you put out a warning about that? ❤ High Voltage intravenously ❤

In my work I'm an electric and I make big industrial ultrasonic cleaners, last maschine i was making had 42 ultrasonic generators 2400W each. if you are interestet i can post some pics

Would be interesting, as an alert module, controlled by an ESP32, if it could be made 'safe' for deaf folks to use, as a cellphone alert, doorbell alert, or alarm for smoke/fire/what not, all via wifi, and ESP32 based sensors on the doorbell, smoke alarm(look for specific hz over mic, or digital logic line), android app, or so on...could do a lot with this designed in an open way, so that it can use tasmota with openhab/homeassistant, and picroft, this could also be used as a parts adgitator for cleaning them, or to stress test certain types of parts

nice 👍

There are one more type of cheap piezos - ignitor from pocket gas lighter. It can hold up to 30kV

Wonder if this would work with a bdlm2 button.

super

What about putting two piezos back to back? Have the brass disks pressed against each other and drive the silver ceramic part? You should be able to double the piezo voltage and get twice the movement and double the output voltage. It will halve the total capacitance, but that might be helpful.

I think for your first layer the nozzle is too cloose to the bed, i advise you to raise it to 0.025 or 0.050 mm. Piezo are awesome

would make cool game controller buttons

I think you have a mechanical version of "impedance matching" problem. These piezos have small displacements with high force. You need a lever! Plus, there is some resonance is going on - I think you need to play with frequencies.

@CarlBugeja

3 жыл бұрын

I agree after doing this project I think using some adhesive or double sided tape will work better than screwing the thing

@ScientificSolutions

3 жыл бұрын

@@CarlBugeja: Another thing that is important to consider is that the low cost piezo buzzers typically do not operate in a simple compression/expansion mode, they actually curl, or change from flat to hemispherical. For better push button sensitivity, it would be better to support the piezo disk at the edges and push down only in the center. I once tried to use the low cost piezo to keep a large mechanical pendulum swinging but it was a significant challenge to utilize the unusual mechanical deformation properties of the piezo to feed the mechanical pendulum. Thanks for the interesting videos!

Great video as always carl, have a doubt. At 9:15 instead of lowering and hiking up the voltage with an Op-amp, why didn't you directly lower the voltage from 105V by a potentiometer to what you need?

@CarlBugeja

3 жыл бұрын

Haptic signals can go up to +-100V while the touch would be 500mV - 5Vmax.. With the potential the signal for the touch goes in the mV range but keeps it safe at haptic actuation

Hi. Is it possible to make actuator at home using some layers of this round modules?

can u teach us hw to drive a pizeo , how to use it to take heart rate

Carl, having more than two piezos on a surface is it possible to create a moving vector tapic effect? i think this can be done by changing the intensity of the piezos at each point. We can even have some movement ?

@CarlBugeja

3 жыл бұрын

Yes that can be done by using multiple piezo actuators 🙂

Thanks for sharing your knowledge!!!

Where do you get these crafty ideas from...i love your style of thinking and innovative approach to diy and making.

@CarlBugeja

3 жыл бұрын

Thanks!! This project has been on my buckit list for so long 🙂 as an engineer I'm fascinated by piezos!

@Delali

3 жыл бұрын

@@CarlBugeja No wonder you took your time to explain it all. I love your stuff.

But how ca-n You play muzic with this things please explain

You could also measure it with another piezo that has a nut or something glued on top as a dead weight.

I would like to use the haptic feedback buttons as a way to sense a user wearing a helmet. The idea is to have 360 sensing abilities, by using some kind of low profile and simple receiver signal and relaying that to the buttons. Which would be lined in a grid that conforms to the shape of the inside of the helmet, that would vibrant on the user's skull to avoid collisions or other dangerous things. Good application would be for motorcycle riders who need to avoid risky drivers or blind spots, hard to not notice a section of your skull buzzing at you when stuff is too close. Just an Idea though.

@michaelarview

3 жыл бұрын

Agreed. Also using a jetson for the visual sensing part of this might be a good idea

@jonnupe1645

3 жыл бұрын

@@michaelarview post your work, I'd love to follow along

@michaelarview

3 жыл бұрын

@@jonnupe1645 I have very little work that actually gets done. Im mostly full of ideas and plans without the action though id love to discuss any ideas with you for fun.

@jonnupe1645

3 жыл бұрын

@@michaelarview lol I'm in the same boat actually, so ya that sounds awesome

@michaelarview

3 жыл бұрын

@@jonnupe1645 ight ight you have discord by chance?

DID YOU KNOW? The touchpad in Macbooks vibrate to replicate a button push feeling

Haptic Feedback suite?

I like you videos. 😍😍😍❤👍

Make a 3D printed glove and embed these for haptic feedback touch in a virtual environment. Or use them to manipulate a robotic arm.

Stack small ones on top of each other to amplify vibration? 🤔

U know what provides super cheap and best kind of recogniseable haptic feedback? A button.

piezo bristlebot when :D

Hi, Interesting stuff, do you think you can use it as a speaker driver?

@CarlBugeja

3 жыл бұрын

It can 🙂 but its designed to be used at a specific resonant frequency (that's why it's a buzzer)

@hunainkhan4172

3 жыл бұрын

@@CarlBugeja ohh i see

watching this as i'm obsessed with my iphone's vibration motor, which I strongly believe is a combination of an LRA and piezo vibration motor... Hmmm

This might be a dumb question but a wise man once said: there are no dumb questions. So the question is: if the piezo buzzer you have costs 25 how are lighters with a piezo element so cheap

This might be a dumb question, I don't know, but…you mentioned stacked piezo actuators among the other kinds that are out there but difficult to get in small quantities. Have you tried just physically stacking (and perhaps attaching with adhesive) a few of those disc buzzers together to combine their total effective range of movement, and driving them all together? Or would that make the resulting unit too thick for what you want to use it for?

@CarlBugeja

3 жыл бұрын

I think in theory it would work but to connect them electrically it would be a little hard to do.. They have to be compressed so wires cannot be used between plates

@EDVDompteur

3 жыл бұрын

@@CarlBugeja You don't need wires between the plates. Just stack them, like knop cell batteries. Maybe a round piece of copper foil between them would increase the reliabillity, but wires are not necessary.

Every crystal you compress create a current. Salt and sugar are crystalline, hence if you found a way to measure the created current, you could build your own cheap piezo element.

You can make "screen" for people who cant see, but need to make that "pixels" smaller. All you need it make one pixel in size 4x4 mm. Patent it dude) Or make it flexible and make costume for VR, future is near)

@CzornyLisek

3 жыл бұрын

That wouldn't be anything new Also it would require static displacement

@niceice782

3 жыл бұрын

@@CzornyLisek anything new? Gloves with that technologu and nfc can "read" what writed on the street or navigation, that haptic on the belt can "show" in what direction u must go, need 5g or good Lidar.

FSRs don't work by just placing them on top, you need something on both sides - otherwise there's no force, the F in FSR.

Last time I was this fast you were jumping robots

How about 2 seperate piezoelectric crystal patches on one metal disk? So one can be used for haptic feedback and other one can be used to as a sensor!

@CarlBugeja

3 жыл бұрын

That can be done 🙂 but for a haptic Button the two functions are not used at the same time so one piezo can be shared as seen in the video

Nice video loved it......👌

Just got ads for flexible PCBs while watching this xD

PLS make this: THE LAPTOP KEYBOARD TOUCH SENSOR WITH PCB's AND PIEZO.

So.. this is the emulation of Taptic Engine?

👍

Apple will hire you soon or create own similar haptic feedback for some of their future iPhones

@ChozoSR388

3 жыл бұрын

They're more like to to just run with the idea and claim they invented it.

Make a 100 pazzo diy projects vide

Iphone's taptic engine same principle

Why not try to make a robot that propels itself through sand or a similar medium like a sandworm lizard using the vibrations to make the sand more fluid

Did.... did you just touch the 200V output in the end?

@CarlBugeja

3 жыл бұрын

Yes ⚡ electroboom style haha

@Iceteavanill

3 жыл бұрын

@@CarlBugeja You are a mad man😂

@CarlBugeja

3 жыл бұрын

It's very low power so a tiny shock won't hurt

@Iceteavanill

3 жыл бұрын

Well I hope you wont get addicted to it like electroboom....

cd disk -motor +piezo.

I just have one question: how on earth can such a small piezo be over 25€? 😱

Hmmmmmm I just got an add about piezo and pcb printer company what a coincidence

Your videos are great but the amount of ads? It's crazy.