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About us
Free technician tools

CircuitMess Spencer DIY kit (CIRCUITMESS-SPENCER-DIY)

£83.33

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Things you can do with Spencer

  • Ask about the weather forecast for your area
  • Hear a joke
  • Ask him to sing you a song
  • Make Spencer display custom animations
  • Laugh at his corny popular culture references

Talk to Spencer!

Spencer has a microphone and understands what you say (like, REALLY understands).

You can code new functions that will be triggered when you say certain sentences and words.

Add to cart

Display animations on a flashy 144-pixel LED display

The LED display on Spencer’s face has a 144-pixel LED grid that can show data, custom icons, animations, and scrolling text


Spencer is a DIY voice assistant that will teach you about AI, voice recognition, IoT, and speech synthesis.

The best part is that you get to assemble him yourself.

He also has a funny personality, tells jokes, and finds new ones online.

What you get inside your box:

  • Spencer’s circuit board that includes a pre-soldered 144-pixel LED grid
  • The brain board – does smart stuff and includes a dual-core processor, a 16 MB flash memory chip, and power-management circuitry
  • Acrylic casing – this protects Spencer’s innards from the outside world
  • A big red button
  • Bag of other small components such as resistors and pushbuttons
  • Micro USB cable for powering your Spencer
  • 5W Speaker
  • Instruction booklet – ready for your offline knowledge consumption

Easy assembly with a thorough build guide

Learn how to assemble your very own voice assistant by following a detailed build guide.

Check it out

You'll learn about hardware
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Learn how to solder and assemble your very own personal voice assistant





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Learn about microcomputers & electronics





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Find out how an LED grid display works





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Learn about sound processing
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Learn how to code a microcomputer in C/C++ and CircuitBlocks




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Learn about the Internet of things





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Learn about artificial intelligence and how to make Spencer smart




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Learn about voice recognition and speech synthesis