ESP32 Air Quality Monitoring Cube Kit - 50mm Cube with OLED AQI Display
ESP32 Air Quality Monitoring Cube Kit - 50mm Cube with OLED AQI Display
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Imagine holding a 50mm cube that reads real-time air quality - PM2.5, CO2, VOCs, temperature, humidity - and paints an AQI colour on a tiny OLED. This ESP32-powered monitor fits in your pocket, broadcasts sensor data over BLE and WiFi, and can upload readings to any cloud platform. It's a miniature sentinel for your living room, lab, or campus dorm, built entirely by you.
What You'll Build
A palm-sized, battery-free cube that continuously monitors indoor air quality. After assembling the board and snapping the ABS enclosure shut, you'll flash dual-stack firmware and watch the OLED cycle through PM2.5, CO2, VOC index, and AQI bands. Place it on a desk, connect via BLE to a phone dashboard, or push data to Adafruit IO over WiFi. The cube becomes a permanent, real-time health monitor for the air you breathe.
What You'll Learn
- Interfacing BME680, MH-Z19B, and PMS5003 on a single I2C/UART bus without conflicts
- Writing BLE GATT services and WiFi HTTP client code on the ESP32
- Developing AQI calculation algorithms from raw sensor data
- Soldering SMD-sized prototype boards in a confined 50�50�50mm space
Kit Contents
| Component | Quantity |
|---|---|
| ESP32 Dev Board | x1 |
| BME680 Sensor | x1 |
| MH-Z19B CO2 | x1 |
| PMS5003 Particle Sensor | x1 |
| 0.96in OLED | x1 |
| LM2596 Buck Converter | x1 |
| 4.7k? Resistors | x5 |
| 100nF Caps | x10 |
| PCB Prototype Board | x3 |
| ABS Cube Enclosure | x1 |
| 5V 2A PSU | x1 |
| Soldering Iron | x1 |
| Solder Wire | x1 |
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 advanced kit is designed for engineering students - B.Tech ECE/EEE at IIT, NIT, VIT, BITS - working on IoT capstone projects or Smart India Hackathon challenges. CBSE Class 12 students can attempt it if they have prior soldering experience. Makers in ATL Tinkering Labs or independent builders who want a production-ready air quality monitor will find the pre-assembled PCB plan and enclosure invaluable.
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?
The AI companion guides you through each solder joint and code upload; for further help, send a photo over WhatsApp and our team responds within hours.
Can I log data to the cloud without writing code?
The included firmware includes a web dashboard template for Adafruit IO; you only need to enter your WiFi credentials and API key. The AI companion walks you through getting an IO account and key.
How do I calibrate the CO2 and PM2.5 sensors?
The build guide covers zero-point calibration for the MH-Z19B using fresh outdoor air and baseline setting for PMS5003. The AI companion provides step-by-step terminal commands.
Is this kit suitable for a college mini project?
Absolutely. The cube generates a complete indoor air quality dataset with BLE connectivity, making it an excellent choice for IoT, embedded systems, or environmental engineering mini projects. Many students have extended it with LoRa or GSM modules for wide-area monitoring.
50x50x50mm cube with ESP32, BME680, CO2 and PM2.5 sensor. OLED face shows AQI. BLE and WiFi dual stack.
What's in this kit
- ESP32 Dev Board
- BME680 Sensor
- MH-Z19B CO2
- PMS5003 Particle Sensor
- 0.96in OLED
- LM2596 Buck Converter
- 4.7k? Resistors x5
- 100nF Caps x10
- PCB Prototype Board x3
- ABS Cube Enclosure
- 5V 2A PSU
- 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