Living Watercolour Painting Automaton Kit with Arduino Mega + Stepper Motor
Living Watercolour Painting Automaton: Build an Arduino Mega–Powered Stepper Brush That Paints Algorithmic Art
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
You’ll assemble a two-axis stepper-driven brush that glides across watercolour paper, translating gradient descent paths into fluid, evolving strokes—a living painting that never repeats. This kit merges visual art with the mathematics of optimisation, resulting in a machine that sketches the contours of loss landscapes in real time. It’s a showpiece that demonstrates how code can become physical motion, and how a simple brush can reveal the hidden geometry of algorithms.
What You'll Build
You’ll create a rigid linear rail frame hosting a NEMA 17–driven gantry that moves a servo-actuated brush across A3 watercolour paper. The Arduino Mega reads a sequence of coordinates computed from a gradient descent simulation, commanding the steppers to trace paths, dip the brush, and lift it with precision. The final result is a self-contained automaton that paints abstract algorithmic compositions, perfect for exhibitions, campus tech fests, or personal research into generative art.
What You'll Learn
- Coordinate 2-axis stepper motion with a CNC shield and A4988 drivers
- Write Arduino code to map gradient descent steps to physical coordinates
- Integrate a servo-actuated brush lift for dynamic stroke control
- Design and assemble a rigid linear rail mechanism for repeatable precision
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Mega 2560 | 1 |
| NEMA 17 Stepper | 2 |
| A4988 Driver | 2 |
| SG90 Servo | 1 |
| CNC Shield V3 | 1 |
| 12V 3A PSU | 1 |
| GT2 Belt 1m | 2 |
| GT2 Pulley | 2 |
| Linear Rail 400mm | 2 |
| PCB Prototype Board | 2 |
| M3 Bolts+Nuts | 20 |
| 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
B.Tech (ECE/EEE/CSE) students tackling creative computing or generative art modules will find this a compelling hardware-software project. M.Tech and PhD researchers prototyping visualisation machines can bypass mechanical sourcing entirely. Smart India Hackathon teams building interactive installations will appreciate the ready-to-assemble frame, while ATL Tinkering Lab mentors can run advanced workshops on the intersection of mathematics and machine art. If you’ve ever wanted to see an optimisation algorithm paint its own journey, this kit turns that idea into a working display.
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 on the box to chat with the AI companion trained on the exact wiring, code, and mechanics of this automaton. It can guide you through calibration, driver tuning, and brush alignment. WhatsApp backup is available if you prefer human assistance.
Can I modify the algorithm to create different stroke patterns?
Absolutely. The Arduino Mega runs open-source code that you can tweak. Change the optimisation function, step size, or colour palette to generate distinct artistic styles. The AI companion includes examples for experimenting with Rosenbrock, Beale, and custom landscapes.
Do I need prior CNC experience?
No. The kit uses pre-configured A4988 drivers and a CNC shield that simplifies motion control. The build guide walks you through mechanical assembly and software setup without requiring machining or G-code knowledge.
Is the kit suitable for a B.Tech final-year project?
Yes—many students use this as a capstone project in ECE or CSE. You’ll demonstrate embedded systems, algorithmic art, and motion control, all of which are highly valued by examiners and industry panels.
Stepper-driven brush on watercolour paper executes algorithmically generated strokes from gradient descent path.
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.
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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