How to make a Theremin

How to make a theremin, this video shows how a theremin works, and how to make one. Sorry for how long it is, it was necessary to fit in all the info... Hope you enjoy! :)

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music:
Broke for free, Night owl ; pixel land, Kevin Macleod

Licensed under Creative Commons: By Attribution 3.0
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Twitter: @Keyst0neScience

[justinlow]

Him: "Hopefully you can understand that"
Me: I hope he has a drawing explaining that
Him: "ok, let's move on to the math"
Me: ssshhhiiittt

[Willam_J]

I've been an EE for 39 years and that was a really good explanation of inductors, capacitors and resonant frequency for people new to the subject. Great job!

[michalnemecek]

Keystone Science. The only man smart enough to use a small TV as a hammer.

[redvulps]

damn, I'll try to make this later, and I would love to see a more complete one, with the volume antenna <3

[neuro]

Every electronics video should have a thunder storm. Keeps us grounded.

[georgegates]

Keystone Science: I'm glad there are people like you, who still honor discrete components! Thank you!

[randumb]

What a genuinely nice person, linking his viewers channel

[Socks]

Can you please give me the material list to make this??? I cant find it on the official page

[jackmickelson]

I'm in highschool and I've just started learning EE and legit, the explanation at the start made soo much sense. You have been an amazing teacher, hats off to u

[neo]

Mom: What did you rent from the band this year, honey?
Me: A THERAMIN.

[blasterak]

Hey, I understand this video is a bit old, but do you have a parts list or BOM for what you used in the circuit?

[ItzChris-qlzb]

Since I couldn’t find the parts-list I went through the whole diagram and captured every component I saw.
I don't know if anybody is still interested in this, but here’s what I got (this doesn’t include the parts for the audio amplifier):
Resistors:
- 2x 100 Ohm
- 2x 470 Ohm
- 2x 8.2 kOhm
- 1x 2.2 kOhm
Capacitors:
- 3x 10µF
- 4x 1.5nF
- 2x 3.3pF
- 2x 150pF
Other needed Components:
- 1x Antenna
- 2x 1mH Inductors
- 3x JFETs (as it was mentioned in the video, he used the TiS58)
- 1x Variable Capacitor 4-50 pF
- 1x audio Jack
- Power Source
I do not guarantee that everything in this list is correct, I gave my best, but feedback is always appreciated!

[chaosreigns]

This was absolutely the funniest goddamn thing I saw in a long time...thank you for this...it came out of nowhere...

[ironsandhammers]

In hvac we change out capacitors all the time and ive never heard such a good explanation of the basics of what exactly it does

[loc]

You've done a good job although I can see how some people might get confused.

The trouble is you'd need to visually show things like an induced magnetic field and electrons moving as that field collapses. And if you're going to go into that level of detail it's going to be a lot of work and make for a long episode.

But none the less thanks for a really interesting video.

[LinzyMcMurter]

This is the best channel I've found d in a while, great job, much wholesome, much knowledge lol.

[Willam_J]

A cheap and dirty way to make a small variable capacitor is to twist some small wires (like solid cat 5 cable wires) together. You can change the capacitance by twisting and untwisting the wires. For the value you specified, two lengths about 3-4 inches long would be a good place to start.

[adamsj]

Thank you for the cut to the thunder storm... Love that thunder

[webtrekkeruk]

I bought a Therrmin for my daughter but she never touches it. ;-)

[actualmonday]

17:15 What is the wire He just randomly added to connect both breadboards? I literally think this is the last step I need! I just need to know what plugs into the audio other then the audio out, like is there a seperate audio in? cause as is I get a sound like a partially plugged in amp (so I assume thats what it is)