picoruby ☆

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Description:
Smallest Ruby implementation for microcontrollers

Type: Formula | Tracked Since: Feb 10, 2026

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: ruby embedded microcontroller raspberry-pi-pico iot

Install: brew install picoruby

About:
Picoruby is a minimal, lightweight Ruby interpreter designed specifically for resource-constrained microcontroller environments. It provides a subset of the Ruby language, enabling developers to write embedded applications with Ruby's elegant syntax on platforms like the Raspberry Pi Pico.

Key Features:

Minimal footprint for microcontrollers
Subset of Ruby language syntax
Direct hardware access (GPIO, I2C, SPI)
Built-in libraries for embedded tasks
Compatible with the RP2040 microcontroller

Use Cases:

Programming Raspberry Pi Pico boards with Ruby
Educational projects for embedded Ruby
Prototyping IoT devices with a high-level language

Alternatives:

mruby – More mature and feature-rich embedded Ruby, but with a larger footprint.
CircuitPython – Python implementation for microcontrollers, different language ecosystem.

Version History

Detected	Version	Rev	Change	Commit
Feb 10, 2026 4:05pm		0	META	e7ffedc2