A super-easy hardware development system.


Peegar is a super-easy hardware development system. By creating a program intuitively on a web browser, hardware will instantly start moving. Unlike standard prototyping kits, there is no need to install any software, nor member registration for setting up your program. All you need is a normal web browser, therefore you can program visually on your smartphones and tablets. Peegar uses audio cable instead of USB cable to transfer the program to your hardware, which is another special feature to make development simple. Teachers can easily introduce how programming works to their students at school. Moreover, adults that hesitated to learn programming can start their new challenge. "Peegar" comes from the cute sound when sending the program.


Simple setup

No need to install software
for development

Any device

Available on
PC / tablets / smartphones

Visual Programming

Easy to create a program


Arduino mbed Micro:bit Peegar

Available on offline

There are many places where only
unstable and slow internet connection is available,
like developing countries.

No need to download and install

It is troublesome to download and install software.

Visual programming by default

Learning programming language is difficult.

Connection USB USB USB Audio

In mbed system, you can compile program in offline environment. However, it is not by default and you need to install some software.


Please feel free to contact us.



Developed By

Yoshitaka Taguchi

Main Development: Circuit, Compiler,
Frontend and Integration

Takaaki Sanjo

Communication Protocol

Supported By

designing plus nine

Logo Design

Kosuke Takahashi

Design Integration

Ayato Tanaka


Sho Yasui


Tatsuhiko Sakaguchi

Web Design (this page)

Tomokazu Higuchi

Toy Design (for exhibition in SXSW)

Makabe Tasuku

Toy Design (for exhibition in SXSW)

Shotaro Sugiyama

Toy Design (for exhibition in SXSW)

Takumi Hayashi

Toy Design (for exhibition in SXSW)

This project is one of the submitted work in 'Bikkuri Dokkiri Mecha', which is the lecture held in the University of Tokyo. We would like to express my gratitude to two teachers, who are in charge of the lecture, Associate Professor Yoshio Mita and Associate Professor Yoshihiro Kawahara, who gave us the opportunity to exhibit our work in SXSW 2017.

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This software includes the work that is distributed under the Apache License 2.0