Acoustic Emission Crack Detector Kit with Arduino Mega + LED
Build a Real-Time Acoustic Emission Crack Detector with Arduino Mega
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Place a piezo disk on a concrete beam, apply a controlled load, and watch the OLED screen map acoustic emissions in real time — each spike indicating micro-crack growth invisible to the naked eye. This kit transforms a structural engineering challenge into a hands-on electronics project, giving you the hardware to detect, time-stamp, and log high-frequency stress waves just as material scientists do in professional labs.
What You'll Build
You’ll assemble a dual-channel acoustic emission sensor system that picks up ultrasonic bursts from two points on a beam under stress. The Arduino Mega processes op-amp-conditioned signals, displays live amplitude on the OLED, timestamps events using the DS3231 RTC, and writes crack-event data to a MicroSD card for later analysis. The result is a calibration-ready structural health monitor that can differentiate background noise from genuine micro-crack activity.
What You'll Learn
- Condition and amplify weak piezo signals using LM358 op-amp circuits
- Set voltage thresholds to filter acoustic emission events from environmental noise
- Interface an OLED display, RTC module, and MicroSD card with Arduino Mega
- Implement timestamped data logging for long-term structural monitoring analysis
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Mega 2560 | 1 |
| Piezo Disk 35mm | 2 |
| LM358 Op-Amp | 2 |
| DS3231 RTC | 1 |
| MicroSD Module | 1 |
| 0.96in OLED | 1 |
| 100kΩ Resistors | 5 |
| 10kΩ Resistors | 10 |
| 100nF Caps | 15 |
| PCB Prototype Board | 3 |
| 9V Battery Snap | 1 |
| 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 and Civil-engineering students tackling structural health monitoring as a smart infrastructure elective will find the dual-channel setup directly relevant. CBSE Class 12 students aiming for competitive science fairs can showcase a working fracture-detection prototype. It’s also an ideal centerpiece for Smart India Hackathon teams building IoT bridges or ATL Tinkering Labs demonstrating Industry 4.0 concepts.
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 that knows this project’s wiring and code. If you need a human, message us on WhatsApp — our engineers usually reply within an hour for troubleshooting.
Can this kit detect cracks in metal beams too?
Yes, the piezo disks and op-amp conditioning work on metal, concrete, or composite surfaces as long as you can mount the sensors firmly. Acoustic emission signatures vary by material, so you’ll learn to adjust thresholds accordingly.
Is the OLED display pre-programmed?
You’ll write the display code yourself as part of the learning experience, but the AI companion provides a tested library and templates to get you started quickly.
What if a component is missing or arrives damaged?
We ship from Bengaluru and double-check every kit. In the rare case of a defect, contact us within 7 days for a free replacement sent by priority courier.
Piezo disk on structural beam detects high-frequency acoustic emission from micro-crack propagation.
What's in this kit
- Arduino Mega 2560
- Piezo Disk 35mm x2
- LM358 Op-Amp x2
- DS3231 RTC
- MicroSD Module
- 0.96in OLED
- 100kΩ Resistors x5
- 10kΩ Resistors x10
- 100nF Caps x15
- PCB Prototype Board x3
- 9V Battery Snap
- 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.
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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