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Liberating my Joy

Liberating a locked-down commercial vinyl cutter from its cloud-dependent spyware by replacing its proprietary motherboard with a Raspberry Pi Pico 2 running custom open-source Rust firmware.

Originally published on Hackaday.io

View original tutorial

Parts You'll Need

This project is sourced from another site, not written by us — this list is our best match of their components against what we stock, not a verified bill of materials. Always check the original blog (linked above) for the actual parts list before buying.

Raspberry Pi 3 - Model B+ 1.4Ghz 64-bit quad-core Processor with 1 GB Ram (Original) Rs. 9,810.00
Jumper Wire 10 Pin Male To Male 20cm Rs. 45.00
400 Points Mini Solderless Prototype PCB Breadboard High Quality Rs. 89.00
MB102 Adjustable Breadboard Power Supply Module (3.3V & 5V) for Arduino & Raspberry Pi Rs. 139.00
Jumper Wire 10 Pin Male To Female 20cm Rs. 45.00

Selected: Rs. 0.00

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How It Works

This project repurposes a Joy 2 Vinyl Cutter by replacing its factory-locked proprietary motherboard with a modern Raspberry Pi Pico 2 microcontroller. The original hardware relied on cloud-dependent software and proprietary firmware, limiting local operation and repairability. By using a hot air rework station, the original control circuitry is removed and replaced by wiring the Pico 2 directly into the cutter's existing internal components, such as its stepper motors and sensors. The Pico 2 is programmed using custom open-source Rust firmware (rustypicoCNC) compiled via the standard Rust toolchain, providing direct bare-metal hardware control. A Raspberry Pi Pico Debug Probe is connected to the Pico 2 to facilitate real-time debugging and firmware flashing during development. Instead of sending jobs through restrictive online cloud services, the modified cutter receives vector files prepared locally in Inkscape or a standard Computer-Aided Manufacturing (CAM) program, translating these designs into precise motor movements locally on the device.

Why Build This

Eliminate cloud dependencies and proprietary software locks on consumer hardware to achieve true local device ownership.

Gain hands-on experience replacing commercial embedded control boards with programmable microcontrollers running systems software written in Rust.

Promote hardware sustainability and right-to-repair initiatives by reverse-engineering and modernizing legacy manufacturing tools.

Real-World Application

Modifying closed-source consumer hardware to operate using open-source toolchains, enabling local manufacturing and repairability.

Skills You'll Learn

Embedded Rust development

hardware reverse engineering

CNC firmware configuration

microcontroller debugging

motor control systems

vector graphics-to-G-code translation

Safety Precautions

Exercise caution when using hot air rework stations or modifying electronic hardware. Unplug the device from all power sources before opening the casing.

Technology Tags

RUST

CNC

VINYL CUTTER

REVERSE ENGINEERING

FIRMWARE

EMBEDDED SYSTEMS

Frequently Asked Questions

Can I use a standard Raspberry Pi Pico instead of the Pico 2?

The project specifies the Raspberry Pi Pico 2, which offers updated architecture and performance suited for running the custom rustypicoCNC firmware and handling real-time motor control tasks.

Do I need the Debug Probe if I already have the Pico 2?

While initial flashing can sometimes be done via USB, the Raspberry Pi Pico Debug Probe is strongly recommended for step-by-step debugging, inspecting memory, and troubleshooting low-level Rust code execution during hardware integration.

What design software should I use to send cut jobs after the modification?

You can use Inkscape with appropriate plugins or any standard CAM program capable of generating the required machine instructions compatible with the rustypicoCNC firmware.

Gallery

This page is part of Kitkraft's Project Hub — a curated collection of electronics & robotics projects gathered from the maker community to help students and hobbyists discover and learn to build. Kitkraft does not claim authorship of the original project, and makes no representation as to the accuracy, completeness or safety of third-party source material. The summary and "How It Works" explanation above are AI-generated, rewritten with reference to the original tutorial — not a reproduction of it. Full credit and a direct link to the original source are provided above. If you're the original creator and have a concern about how your work is represented here, please contact us and we'll address it promptly.

Kitkraft Project Hub — curated from the maker community, credited at the source.

PRJ-01624