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Meet Ototo

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Make Music from Anything

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Make Music

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Start making sound straight away by either touching the onboard keys or attaching sensors and objects. Be inventive with music or weird with noise.

Create Projects

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Drainpipe saxophones, pot and pan drum kits or singing plants. Ototo's flexible mix of touch sensing and sensor inputs lets you to create musical projects with anything.

For Everyone

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From casual creatives who want to have fun with music and learn electronics - to creative hackers who want to make physical interactions from the ground up.

"...build bespoke electronic instruments without writing a line of code or burning a single finger on a soldering iron."
- Wired

Make it Musical

Ototo uses touch sensing to create sound.

Each key on the board represents a musical note - like a keyboard. Ototo lets you control these keys with conductive materials. Ototo uses touch sensing to recognise when you make contact with an object, which then triggers the sounds. From cutlery to cabbages and bikes to balloons. Ototo allows you to build your ideas into interactive instruments of fun!

Explore Interactions

Add sensors to Ototo to control the sound.

There are four sensor inputs which control the different elements of the sound, one each for pitch and loudness and two that control the texture of the sound. Connect a light sensor to control the pitch or create a sound that reacts to your breath - it’s up to you!

Be Inventive

Do something – big or small.

Combine the power of technology and play - Ototo means you can turn your kitchen into an orchestra, or make a doorbell out of a plant. There is no right or wrong way to use it - and with so many combinations of materials and sensors there’s a project out there for everyone.

Interested in running an Ototo workshop?

Workshops »


We're producing 7 different sensors which we think are great for music making. You connect the sensors to the Ototo using the sensor cable provided.


This is a potentiometer - you turn it to change the sound. Perhaps you use it as part of the control panel of a cardboard synthesiser.

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This is a light dependent resistor which changes the sound according to the amount of light it receives. Cover it up or point it directly at the light.

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This is another potentiometer; this time you slide it to change the sound. It’s great for making trombones!

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Touch Strip

This is a thin touch strip that changes the sound when you slide your finger along it. It's great for precise control, especially for pitch bend.

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This sensor changes the sound depending on how hard you press it. You could put it in a shoe and make music while you dance.

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The harder you blow into this sensor the bigger the change in sound. With the breath sensor you can make a drainpipe saxophone.

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The joystick sensor is just like the analog stick on a gamepad. Move it around to control two sounds at once — with extra precision.

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Buy the sensors in the Ototo store

For sensors or Ototo Kits

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Store »


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  • 12 Touch Sensor Inputs
  • 4 Sensor Inputs
  • Micro USB
  • Built-in Pre-sets
  • Flash Memory
  • Audio Out
  • Built-in Speaker
  • Battery (2xAA) or USB Power

Control MIDI

Once connected via USB Ototo can act as a MIDI controller. This means you can keep the flexibility of building with Ototo but expand your range of sounds by playing instruments in Ableton Live, Apple Garageband and many more.

Inbuilt synthesiser

Ototo has two sound generating modes: a synthesiser and a sampler. It’s monophonic with an amplitude envelope, a modulation envelope, a LFO and a low pass filter. The sampler plays back short samples such as drum sounds from the flash memory with the ability to change the pitch of samples.

Battery Powered

Ototo can be powered by batteries which means its totally portable. Which is really useful for when you want to use it in the wild - or easily hide it without dealing with power cables.

Open Source

Ototo is built on open source software,by making the firmware open source we're able to give you complete control how your synthesiser works.

Check out our FAQ for more information


Why we made Ototo

In our careers working in interaction design and electronic music, we’ve seen that many people would like to create new ways of interacting with sound yet find it a struggle. There’s a steep learning curve in both electronics and software programming before even getting to the sounds and the interaction that you would like to make. We wanted something that could be more hands on and experimental, that you could have an idea and just try it out really quickly.

We want to empower people to create, whether that’s a kid playing with electronics for the first time or a musician who wants more control how they perform or create sounds. We believe when you have this power then you can see the potential in things - like as a child imagining all of the different things a cardboard box can be.

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Buy Ototo Now

For Kits, Sensors and Ototo

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Dentaku Ltd
Southgate Studios
2-4 Southgate Road
London N1 3JJ
United Kingdom
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