Blockchain Agri IoT Node with Arduino Portenta C33 Kit
Certified Agricultural IoT Node with Arduino Portenta C33 - Post Sensor Data to a Blockchain Marketplace
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
This advanced kit places a tamper-proof agricultural sensor node in your hands. Using the Arduino Portenta C33's on-board secure element, you sign every soil moisture, temperature, humidity, and light reading at the hardware level before publishing it over an encrypted MQTT TLS channel to a blockchain-anchored data marketplace. The result is a verifiable, immutable stream of field data ready for research, smart-contract integration, or precision-ag analytics.
What You'll Build
You'll assemble a weatherproof, solar-powered station that operates autonomously in the field. The node collects multi-sensor data, time-stamps each sample with the DS3231 RTC, logs to a MicroSD card, and pushes cryptographically signed payloads to a blockchain endpoint. Everything fits inside the supplied waterproof enclosure, so you can walk out to a real farm, install it, and watch the data appear on the marketplace dashboard.
What You'll Learn
- Hardware-based cryptographic signing of sensor data using the Portenta C33's secure element
- Implementing MQTT with TLS 1.2 encryption for robust, authenticated IoT messaging
- Integrating soil moisture, temperature-humidity (DHT22), ambient light (BH1750), and real-time clock modules
- Designing a stand-alone solar power supply with TP4056 charger, LM2596 buck regulator, and 18650 cells for 24/7 off-grid operation
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Portenta C33 | 1 |
| Portenta Mid Carrier | 1 |
| Soil Moisture Sensor | 3 |
| DHT22 Temperature & Humidity Sensor | 1 |
| BH1750 Ambient Light Sensor | 1 |
| DS3231 Real-Time Clock Module | 1 |
| MicroSD Card Module | 1 |
| 6V 2W Solar Panel | 1 |
| TP4056 Li-Ion Charger Module | 1 |
| 18650 Li-Ion Cell | 2 |
| LM2596 DC-DC Buck Converter | 1 |
| 4.7k? Resistor | 5 |
| 100nF Capacitor | 10 |
| PCB Prototype Board | 2 |
| Waterproof Enclosure | 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
Designed for final-year B.Tech students (ECE, EEE, CS) tackling blockchain-IoT capstone projects, researchers at IIT/NIT/VIT working on precision agriculture, Smart India Hackathon teams building agritech proof-of-concepts, and ATL Tinkering Lab mentors demonstrating embedded security. If you understand Arduino programming and want to add hardware-level trust to an IoT deployment, this kit delivers real-world complexity.
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 launch the AI companion, which guides you step by step. You can also reach us on WhatsApp for direct troubleshooting.
Do I need prior blockchain or cryptography experience?
No. The firmware is pre-loaded with the signing and MQTT TLS configuration for a Hyperledger-based marketplace. You'll focus on assembly, sensor wiring, and understanding the data flow; we explain the blockchain concepts in the documentation.
Will the node work in remote fields without continuous internet?
Yes. The node logs all signed readings to the MicroSD card as local backup. When a network connection is available through the Portenta's WiFi, it automatically publishes the latest data via MQTT.
Is soldering mandatory, and are all tools included?
Yes, you'll need to solder the power and sensor circuits onto the prototype boards. The kit includes a soldering iron and solder wire, so you have everything required to complete the assembly.
C33 with hardware-signed sensor readings posts to a blockchain-anchored agricultural data marketplace via MQTT TLS.
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.
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