Pi Pico 2 Compact CNC Controller
Pi Pico 2 Compact CNC Controller: Build a Precision Benchtop XY Plotter with USB G-Code
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Transform your workspace into a mini fabrication hub. This kit guides you through building a compact XY plotter that reads G-code directly from a USB-connected PC, moving two NEMA17 steppers with incredible precision thanks to the Raspberry Pi Pico 2’s programmable I/O. Whether you want to draw intricate patterns, prototype PCB etching, or experiment with automated writing, this benchtop plotter makes CNC technology tangible and hackable.
What You'll Build
A fully functional X-Y motion system with a working area of roughly 200mm square, driven by a custom PIO-based controller that handles step generation in hardware, freeing the Pico 2 for G-code parsing and display updates. The completed plotter can draw, engrave, and mark with a pen or spring-loaded tool, replicating designs sent from common G-code sender software.
What You'll Learn
- Parse and execute standard G-code commands for motion control
- Configure RP2040 PIO state machines to generate precise step and direction signals for A4988 drivers
- Calibrate microstepping and acceleration profiles for smooth stepper movement
- Assemble linear rails, belts, and pulleys into a rigid, repeatable motion stage
Kit Contents
| Component | Quantity |
|---|---|
| Raspberry Pi Pico 2 | 1 |
| NEMA 17 Stepper | 2 |
| A4988 Driver | 2 |
| 0.96in OLED | 1 |
| 100nF Caps | 5 |
| 12V 2A PSU | 1 |
| GT2 Belt 50cm | 2 |
| GT2 Pulley | 2 |
| Linear Rail 200mm | 2 |
| M3 Bolts+Nuts | 10 |
| Soldering Iron | 1 |
| Solder Wire | 1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part | Pre-tested as a system |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project |
| Time to first working build | Days of debugging | Hours, with step-by-step guidance |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
This intermediate electronics kit is designed for CBSE Class 11-12 students building a science exhibition project, B.Tech ECE/EEE second-year learners exploring CNC and embedded systems, ATL Tinkering Lab coordinators seeking ready-to-assemble motion control demos, and Smart India Hackathon participants working on automated fabrication and drawing machines. No prior CNC experience required, but familiarity with breadboarding and MicroPython helps.
Built and Backed by Compoden
Every Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.
What if I get stuck during the build?
Scan the QR code included in the box to access the AI companion trained on this exact kit. It offers step-by-step guidance. You can also reach us on WhatsApp for real-time assistance from the Compoden team.
Do I need to write the G-code interpreter firmware myself?
No, the kit comes with pre-loaded MicroPython firmware that includes a G-code parser and motion planner for the PIO engine. You can modify and extend it with the AI companion's help.
Can I use this plotter for PCB engraving?
Yes, with a light spring-loaded engraving tip or a small spindle attachment (not included), the system can engrave isolation traces on copper clad boards. The rigid linear rails provide the needed precision.
What software do I use to send G-code to the plotter?
Any standard G-code sender like Universal Gcode Sender, Candle, or bCNC works when connected via USB. The kit’s firmware listens for standard serial G-code strings.
Pi Pico 2 PIO drives two NEMA17 steppers for a compact benchtop XY plotter. USB G-code input.
What's in this kit
Choose your assembly option:
- Soldering Kit — 25W soldering iron, 60/40 solder wire, flux, and small perfboard for permanent assembly.
- Breadboard Combo — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.
Other projects you can build
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items