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zakruti.com » Knowledge, science, education » GreatScott!
Ultrasonic Mist Maker DIY or Buy

Ultrasonic Mist Maker DIY or Buy

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Rating: 4.0; Vote: 1
Ultrasonic Mist Maker DIY or Buy Michael: Hi Scott, thank you for the awesome informative videos. I just discovered your Chanel, after watching a few videos I learned so much, Im a beginner to electronics and dont know much. Since you offered for some ideas, I was thinking of a necklace, or earrings, or a bracelet that would vibrate when you bring your hands close to your face. Once it goes off it would send a signal to your phone and activate an alert, or to keep a log of how many times a day you manage to activate the necklace. From this data you can see if you are changing the habit of touching your face throughout the day. This accessories are to remind people not to touch your face unless you wash your hands, this is in regards to COVID-19. I had this idea months ago, but NASA beat me to it this week, they came out with a necklace, but after watching your videos Im sure you can take it to the next level. Thank you Scott.
Date: 2020-09-05

Comments and reviews: 7


I researched DIYing a version of this with ten heads a while ago and I believe their may be two oscillation points, one of which is in the kilohertz range which may be why your last circuit failed, it wasn't meant to go to 1. 7megaherts however I will be transparent and tell you I researched this at least a year ago and my memory may not be perfect.
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1. 7MHz is not easy to control. I'm trying to control 1MHz right now, it's quite hard to build the circuit to capable to do it properly. Also, not only for transmitter but for receiver as well. =( Finally, gave up and bought TI 100 board, but it gets crazy if you want to use custom transducers.
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when you used the schematic found on eBay, why instead of using it in its entirety, you changed several components?
maybe this is the reason why it didn't work! ;)
I used a circuit VERY similar to this one, which uses the BU406 and works perfect.

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Perhaps the Piezo Disk has Capacitance?
If so, could it not simply be tuned to resonate using a Coil in parallel to it somehow?

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Just because you couldnt it doesnt mean its not possible. Did you bother to check others? Found another YT who made it work already.
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I was trying to understand how them foggers work for a half hour now, you explain it so simple and good in a minute, thanks!
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on your list componen (such as: aliexpress) is there 9 componen (main, but on your circuit is 10 componen (main, isn't it?
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