Asthma Alert System DIY IoT Kit – ESP32 & MQ-135 Air Quality Smart Health Monitoring Project Kit for Students with OLED & Enclosure

Asthma Alert System – IoT Smart Air Quality & Environmental Respiratory Health Monitoring Kit

The Asthma Alert System DIY project kit is a complete, educational, and life-saving environmental tracking kit designed across India for student science exhibitions, engineering capstone projects, and smart home healthcare prototypes. Respiratory distress and severe asthma triggers are often caused by poor air quality, airborne chemical irritants, dust, and toxic gas buildup. The Asthma Alert System continuously samples the surrounding atmosphere to measure harmful gaseous concentrations in real-time, giving patients, parents, and caregivers instant visual and audible safety warnings before critical asthma attacks occur.

This premium DIY kit from Virtual Pathshala includes all necessary core electronics, structural chassis parts, and power hardware right inside the box. At the center of the Asthma Alert System is a powerful 32-bit dual-core ESP32 development board paired with a sensitive MQ-135 air pollution sensor and a crisp 0.96-inch I2C OLED display. The kit also comes complete with an LM2596 high-efficiency DC-DC step-down buck converter, an active 5V audio alarm buzzer, two high-capacity 18650 lithium-ion rechargeable batteries with a dual-cell holder, a heavy-duty toggle switch, jumper wires, a micro USB cable, and a pre-cut, durable desktop project enclosure. Expand your smart laboratory infrastructure by pairing this system with our catalog of Biomedical Pulse Oximeter Sensors and ESP32 IoT Development Boards.

Why Choose This Complete Asthma Alert System Kit for School & College Projects?

Assembling an advanced environmental health warning prototype from scratch usually requires hunting down individual components from separate vendors, dealing with loose wires, and drilling clumsy holes into generic plastic enclosures. This complete Asthma Alert System package eliminates those frustrations entirely. Every sensor, power regulator, and output module has been pre-tested for electrical compatibility. The custom-molded black project case features pre-drilled precision cutouts for the OLED screen, MQ-135 air sniffer, and buzzer, ensuring you can build a clean, professional, competition-ready working device without guesswork.

Key Features of the Asthma Alert System DIY Kit

1. Real-Time Atmospheric Health & Gas Detection (MQ-135 Sensor)

The Asthma Alert System utilizes an integrated MQ-135 hazardous gas sensor to monitor harmful airborne particulates continuously. The sensor detects dangerous concentrations of Carbon Dioxide ($CO_2$), Ammonia ($NH_3$), Benzene ($C_6H_6$), Alcohol, and smoke vectors that frequently trigger acute bronchial asthma symptoms.

2. Dual-Core ESP32 IoT Microcontroller with WiFi & Bluetooth

Driven by the high-speed ESP32 development board, the Asthma Alert System processes complex gas calibration algorithms instantly. The built-in Wi-Fi radio enables live cloud telemetry data logging over MQTT or HTTP to platforms like Blynk or ThingSpeak, allowing users to receive remote smartphone notifications when room air conditions deteriorate.

3. High-Contrast 0.96-Inch I2C OLED Display Readout

The kit features a bright 128×64 self-illuminating monochrome OLED screen. The display shows real-time Parts-Per-Million (PPM) air quality indices, environmental risk classifications (“Air Quality: Good / Poor”, “Status: Normal / Danger”), and live system states clearly without requiring external computer monitors.

4. Instant Multi-Frequency Audio Alert Buzzer System

Safety is the primary mission of the Asthma Alert System. The moment the MQ-135 sensor detects gas concentrations exceeding pre-configured safety thresholds, the 5V active buzzer sounds an instant, loud audible alarm to alert occupants to ventilate the room immediately.

5. High-Efficiency LM2596 DC-DC Buck Voltage Regulation

To safely step down power from the dual 18650 lithium battery pack (7.4V nominal) down to a stable 5V rail for the ESP32 and MQ-135 heater core, the kit incorporates an LM2596 step-down buck converter. This prevents voltage ripples, optimizes energy efficiency, and keeps the device running cool during long monitoring sessions.

6. Fully Portable Battery-Operated Architecture with Custom Housing

Equipped with two 3.7V 18650 Li-ion cells, a 2x 18650 battery holder, and a manual metal toggle switch, the Asthma Alert System can be carried effortlessly between classrooms, bedrooms, and offices. The custom-cut black enclosure encloses all internal wiring neatly for a sleek, commercial finish.

Complete Bill of Materials (BOM) Included in the Kit

Frequently Asked Questions – Asthma Alert System

How does the Asthma Alert System detect poor air quality?

The Asthma Alert System uses an onboard MQ-135 tin-dioxide ($SnO_2$) electrochemical sensor. When air pollutants, volatile organic compounds (VOCs), or high carbon dioxide levels pass through the sensor’s heated mesh, the electrical resistance of the internal sensing layer drops. The ESP32 calculates this change in resistance against a clean-air baseline, evaluates the danger level, updates the OLED screen, and fires the buzzer alarm if air quality drops to hazardous levels.

Can this Asthma Alert System kit be programmed using the Arduino IDE?

Yes. The central processing board is a standard ESP32 NodeMCU dev module that is 100% compatible with the open-source Arduino IDE, ESP-IDF, and MicroPython. You can use standard open-source libraries (such as `Adafruit_SSD1306` for the OLED display and standard analog read routines for the MQ-135) to write, modify, and customize your system logic easily.

Can this system send emergency alerts to a smartphone over Wi-Fi?

Yes! Because the Asthma Alert System is powered by an ESP32 chip with built-in 2.4GHz Wi-Fi, you can easily program the system to connect to your home Wi-Fi network. Using free IoT platforms like Blynk, Adafruit IO, or Telegram Bot APIs, the system can automatically send instant push notifications, SMS alerts, or emails to a family member’s phone the moment dangerous gas thresholds are breached.

Order Your Asthma Alert System DIY IoT Kit Online Today

Build your next award-winning science fair project, master IoT health telemetry, and create a real-world respiratory monitoring solution. The complete Asthma Alert System kit is dispatched across all domestic Indian locations with quick, dependable express shipping choices from Virtual Pathshala. For complete step-by-step assembly guides, circuit schematics, and pre-written Arduino source code sketches, check out our matching tutorials or contact our technical support team.