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The fun programmable sound effects toy
Kits
Audio

Bleepsy

Bleepsy is a small programmable audio toy inspired by the soundboxes from the 80s and 90s that would create sound effects such as sirens, alarms, laser guns and explosions. Bleepsy plays 8 different sound effects or simple melodies of up to 64 tones each. The sounds are a combination of square wave tones and noise tones of various frequencies. Bleepsy comes with 8 preprogrammed sounds, but each sound can be replaced by recording your own sounds.

What is Bleepsy?

  • Eight slots for sound effects or melodies of up to 64 tones, mixing square-wave and noise tones
  • Play the built-in or custom sounds, adjust speed with the SPEED / FREQ potentiometer, toggle glissando with the GLISS switch
  • Recording mode: build your own sound effects from tones and noise
  • Powered by three AAA batteries
  • Sounds are stored in EEPROM and persist when batteries are replaced
  • Optional serial control for advanced users lets you play, store, and dump sounds with simple text commands

What's included in the kit?

Kits are shipped to you in a quality white cardboard box that will fit in any normal letterbox. All the components you need to put your Bleepsy together are included, the microcontroller is already assembled on the PCB, so no surface-mount soldering is required. The kit also includes a leaflet with a brief overview of the instructions and links to the assembly guide and full instructions.

You can also get Bleepsy as a fully assembled and tested unit.

Documentation

Links to code and documentation

Documentation (cheerful.nl)

Shipping policy

Orders will be shipped through PostNL within 1 week of ordering

Bleepsy

Sold by Cheerful Electronic

$20.83

No tax for United States [change]
This product is no longer available.
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Original Design
This product was designed by Cheerful Electronic. By buying this product you support original hardware creators.

The seller

Cheerful Electronic

Cheerful Electronic logo

Helmond, Noord-Brabant, Netherlands
3 orders since Mar 18, 2026
We create innovative electronics projects and kits for makers and enthusiasts worldwide. Our projects are designed to work with Arduino and compatible development boards, making them perfect for both beginners and experienced electronics enthusiasts.