Is there an audio out jack? Or would it be easy enough to make one from an old cable and connect it somehow to this for audio out?

There is an included speaker but no included audio out jack. However, some of our customers have connected their theremin to an external amp or synthesizer. You can cut up an old cable or buy on audio plug to bare wire cable. Then, you could connect the negative (black) wire to ground and the other wire to point 16B on the breadboard, the output of the amplifying transistor. This modification isn't officially supported, and you may need to use a preamp or series bypass capacitor to get it working how you want. But it's possible with a bit of tinkering.

How many octaves does it cover? Can the pitch be changed to higher or lower range

It can go from C4 to C6 (Two Octaves), and there's not a built in way to change octave range.

Can it be taken apart and put back together? Would like to use it with more than one class/studebt.

Yes, very easy to take it all apart and repeat the process. Be careful of bending the wires too often because the metal will eventually break. Just be aware and you should be fine.

Can I use a 5v usb cable to power if i add a resistor to the led?

Creator of the circuit here. I wouldn't recommend externally powering this theremin, because the separate power line would add more capacitance to the circuit. External power would be like having another object near the antenna, which would hurt the sensitivity of the system.

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MicroKits Theremin Electronics Kit | Educational Music STEAM/STEM for Kids or Adults | No Tools Needed Easy to Build Breadboard Kit

Product ID: 372487676

Details

Age range (description)
Kid
Brand
MicroKits
Item dimensions L x W x H
12.1 x 14.6 x
Size
for Women CAPA
Theme
Physics

🎵Dual antenna pitch & volume control

🔋Batteries included, ready to play

🧩No-solder breadboard assembly

KSh17114

Duties & taxes included

In stock

Sold byAmazon KenyaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎶 Build the future of sound—no experience required!

ALL INCLUSIVE KIT - Includes everything from microchips to batteries, so you can dive straight into invention without extra purchases.
PLUG PLAY SIMPLICITY - No tools or soldering needed—just snap components into the breadboard and start building instantly.
STEM LEARNING MADE FUN - Explore real electronics and physics concepts with a colorful 22-page guide designed for all skill levels.
TOUCHLESS MUSIC CREATION - Wave your hands to control pitch and volume with dual antennas for a truly futuristic sound experience.
FROM BEGINNER TO INNOVATOR - Perfect for kids, teens, and adults eager to master electronics and create unique musical instruments.

The MicroKits Theremin Electronics Kit is an all-in-one, no-solder breadboard kit that lets users build a touchless musical instrument controlled by hand movements. Designed for ages 10+, it includes dual antennas for pitch and volume control, a microprocessor, batteries, and a detailed 22-page instruction booklet. This kit combines hands-on STEM learning with creative music-making, making it ideal for beginners and hobbyists alike.

Specifications

ASIN	B08BJGSYSN
Age Range Description	Kid
Battery Description	AA Batteries
Best Sellers Rank	#282,032 in Toys ( See Top 100 in Toys ) #3,297 in Educational Science Kits
Brand Name	MicroKits
Customer Reviews	4.5 4.5 out of 5 stars (766)
Educational Objective	STEM Concepts
Is Assembly Required	Yes
Item Dimensions	12.1 x 14.6 x 3.3 centimeters
Manufacturer	MicroKits
Manufacturer Part Number	TM2
Manufacturer recommended age	10 - 10 years
Model Number	TM2
Number of Items	1
Number of Packs	1
Set Name	Theremin Electronics Kit
Size	for Women CAPA
Theme	Physics
UPC	091128829000
Unit Count	1 Count

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KSh17114

Duties & taxes included

In stock

Sold byAmazon KenyaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kenya.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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