Gamma Spectrometer MCA Kit with Arduino Mega
Build a Professional 1024-Channel Gamma Spectrometer with This Arduino Mega MCA Kit
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Whether you’re characterizing unknown radioactive sources for a B.Tech physics project or building a sensitive radiation monitor for environmental sampling, this kit equips you with a complete, working multichannel analyzer that plots energy spectra on a TFT screen. The combination of a NaI scintillator, SiPM detector, and Arduino Mega 2560 turns raw photon interactions into a clear 1024-bin histogram—exactly what professionals use for isotope identification.
What You'll Build
You’ll assemble and program a gamma spectrometer that converts scintillation light pulses into voltage pulses, digitizes them with a 16-bit ADC, and bins them into a 1024-channel spectrum displayed on the 2.4-inch TFT. Every detected gamma photon gets a timestamp from the DS3231 RTC and is logged to a microSD card. The included lead shielded box reduces background radiation, letting you run clean experiments in a typical lab or home workspace.
What You'll Learn
- Configure a SiPM module with a NaI scintillator for gamma photon detection, including bias voltage and signal chain design
- Build a multi-stage analog front-end with LM358 op‑amps to shape and amplify detector pulses for the ADC
- Implement a 1024‑bin multichannel analyzer algorithm on the Arduino Mega, mapping pulse heights to energy channels
- Log time‑stamped energy spectra to microSD using the DS3231 real‑time clock and perform basic spectral analysis
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Mega 2560 | 1 |
| SiPM Module | 1 |
| NaI Scintillator | 1 |
| ADS1115 ADC | 1 |
| LM358 Op-Amp | 4 |
| 2.4in TFT ILI9341 | 1 |
| DS3231 RTC | 1 |
| MicroSD Module | 1 |
| 100kΩ Resistors | 10 |
| 100nF Caps | 15 |
| PCB Prototype Board | 5 |
| Lead Shielded Box | 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
Advanced undergraduate and graduate students pursuing B.Tech in ECE, EEE, or Applied Physics who need a reproducible instrument for final‑year project work. Engineering teams at IIT, NIT, VIT, and BITS Pilani preparing for nuclear instrumentation challenges in Smart India Hackathon. ATL Tinkering Lab mentors looking to demonstrate gamma spectroscopy at an elevated level, and hobbyists with prior Arduino experience who want to explore radiation detection with a calibrated, low‑background setup.
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?
Open the AI companion using the QR code inside the box; it walks you through each step and can answer specific questions. If you need human help, message us on WhatsApp with a photo of your setup and we’ll respond within a few hours.
Can I use this kit to identify specific radioisotopes?
Yes. Once you calibrate the energy scale using the included procedure, the peaks in the spectrum correspond to gamma‑ray energies characteristic of particular isotopes. The microSD log lets you export the histogram for off‑line isotope identification with standard libraries.
Do I need prior radiation safety training?
The kit uses only low‑level check sources (harmless at arm’s length) and the lead shielded box contains any directionality. We include clear safety instructions; if you can handle a soldering iron, you can handle this build safely.
Is the SiPM module pre‑biased and calibrated?
The SiPM is supplied with documentation to set the bias voltage through the onboard circuit. You’ll adjust it to the recommended operating point during the build, and the AI companion guides you through pulse‑height calibration with a known source.
SiPM with NaI scintillator detects gamma photon energies. Arduino Mega 1024-bin MCA plots energy spectrum.
What's in this kit
- Arduino Mega 2560
- SiPM Module
- NaI Scintillator
- ADS1115 ADC
- LM358 Op-Amp x4
- 2.4in TFT ILI9341
- DS3231 RTC
- MicroSD Module
- 100kΩ Resistors x10
- 100nF Caps x15
- PCB Prototype Board x5
- Lead Shielded Box
- 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