Arduino Snow Crystal Imaging Kit - Capture Crystals at -15�C
Arduino Snow Crystal Imaging Kit: Photograph Individual Snow Crystals with Peltier Cooling
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Every snow crystal is a fleeting work of natural art - but capturing its detail requires sub-zero stability and micron-level positioning. This kit transforms an Arduino Uno into a scientific imaging stage that cools a Peltier element to -15�C, then moves a camera across an XY plane on stepper rails, triggering the shutter at exactly the right moment. You're not just snapping a snowflake; you're building a miniature environmental chamber that reveals hexagonal symmetry and dendritic patterns most people never see.
What You'll Build
A benchtop rig where a Peltier module maintains a sub-freezing capture surface while two NEMA 17 steppers position a camera (or phone) in precise increments. A waterproof DS18B20 sensor reads real-time temperature, and the Arduino triggers a relay to fire an external camera after the stage stabilizes. The result: sharp, repeatable macro images of individual snow crystals, perfect for research documentation, competition entries, or sheer wonder.
What You'll Learn
- Closed-loop thermal regulation - driving a TEC1-12706 with PID logic to hold -15�C against ambient heat
- Multi-axis stepper control - using A4988 drivers and a CNC shield to position a camera with 0.01 mm repeatability
- Sensor integration - waterproof DS18B20 data filtering and relay-triggered camera synchronization
- Electromechanical packaging - building a vibration-damped, insulated stage on prototype board
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Uno R3 | 1 |
| TEC1-12706 Peltier | 1 |
| DS18B20 Waterproof | 1 |
| NEMA 17 Stepper | 2 |
| A4988 Driver | 2 |
| 5V Relay Module | 1 |
| CNC Shield V3 | 1 |
| 12V 5A PSU | 1 |
| 100nF Caps | 10 |
| PCB Prototype Board | 2 |
| 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 is a demanding build aimed at engineering undergraduates - especially B.Tech ECE and mechatronics streams from IITs, NITs, VIT, or BITS - who want a standout final-year project blending thermodynamics, motion control, and imaging. It's also a powerful entry for Smart India Hackathon hardware tracks or an advanced addition to research lab instrumentation. If you've already prototyped basic Arduino projects and can solder confidently, this kit delivers a tangible scientific instrument that demonstrates far more than a blinking LED.
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 camera works with the relay trigger?
Any DSLR or mirrorless camera with a shutter release port (2.5mm or 3.5mm jack). You can adapt a standard cable to the relay output - the AI companion includes wiring diagrams for Canon, Nikon, and Sony remotes.
How do you reach -15�C without a freezer?
The TEC1-12706 Peltier is sandwiched between a heat sink and the cooling stage. Applying 12V pumps heat away from the cold side; with insulation and closed-loop feedback from the DS18B20, the Arduino modulates the relay/power to hold the temperature steady at -15�C even in a 25�C room.
Can I use this outdoors while snow is falling?
Yes, but you'll need to shield the electronics from moisture. The cold stage itself works best with natural snow specimens, so you can collect crystals directly on the cooled glass slide outdoors, then begin imaging immediately.
What if the steppers vibrate and blur the image?
The CNC Shield's microstepping mode (1/16) combined with the 100nF decoupling capacitors reduces jerky motion. The build sequence in the AI companion includes a damping mount design that isolates the camera from motor vibration during the triggering phase.
Cooking - Peltier-cooled stage at -15�C + stepper XY positioner + camera trigger captures individual snow crystals.
What's in this kit
- Arduino Uno R3
- TEC1-12706 Peltier
- DS18B20 Waterproof
- NEMA 17 Stepper x2
- A4988 Driver x2
- 5V Relay Module
- CNC Shield V3
- 12V 5A PSU
- 100nF Caps x10
- PCB Prototype Board x2
- Soldering Iron
- Solder Wire
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.
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