- Complete LDR-Based Light Detection Kit - Fully Assembled & 100% Tested.
- Includes comprehensive documentation: circuit diagrams, PCB layouts, and testing guides.
- Step-by-step video tutorials on YouTube for easy understanding.
- https://www.youtube.com/watch?v=2Avy6w8KXbY
- Dedicated support: Mon-Sat, 11 AM - 6 PM via Smartxbrains@gmail.com.
- Fast delivery across India. Perfect for school projects, automation, and STEM learning.





Smoke Detection Alarm DIY Experiments Science Project Model STEM KIT (Assembled, 100% Tested)
₹1,025.00 Original price was: ₹1,025.00.₹799.00Current price is: ₹799.00. + GST
Please Note: we are only providing kit we marked as ACTUAL PRODUCT, project shown customer needs to do at there own we just provide reference.
- Smoke Detection Alarm STEM Kit, fully assembled and 100% tested for accuracy.
- Includes full documentation: Circuit diagrams, PCB Layout, and Testing documents.
- Step-by-step YouTube videos available for easy understanding.
- https://youtu.be/Dls35NnPdzw?si=yQmwulS67VLpU5pb
- 100% support on working days, 11 AM – 6 PM. Email us at Smartxbrains@gmail.com.
- Fastest delivery across India, ideal for electronics projects and educational experiments.
Perfect for students, hobbyists, and educators, the Smoke Detection Alarm DIY Experiments Science STEM KIT (Assembled, 100% Tested) ensures quality, reliability, and performance in diverse electronics and safety applications.
99 in stock
Please Note: we are only providing kit we marked as ACTUAL PRODUCT, project shown customer needs to do at there own we just provide reference.
In this project, we present a Smoke Detection Alarm designed using the MQ-135 Sensor, ideal for detecting smoke levels in an environment. The kit integrates the MQ-135 Gas Sensor module with a relay and buzzer to create an effective smoke level detection circuit.
The Smoke Detector Circuit not only detects smoke in the air but also reads and displays the smoke concentration level. When the smoke level exceeds the set threshold, the buzzer triggers an alarm, making it perfect for safety applications in homes, schools, and buildings. The threshold value can also be adjusted to meet project requirements.
This project provides practical learning in electronics, sensors, and safety systems, making it ideal for STEM education, DIY enthusiasts, and school science experiments.
Key Features:
- Fully assembled and 100% tested for reliability.
- MQ-135 sensor for accurate smoke detection.
- Adjustable threshold for triggering alarms.
- Easy-to-follow YouTube videos for assembly and operation guidance.
- Fast delivery across India with full technical support.
Applications:
- Electronics safety projects.
- Automation and robotics experiments.
- STEM learning and educational demonstrations.
- DIY home safety and smoke detection systems.
Keywords:
- Smoke Detection Alarm STEM Kit
- MQ-135 Smoke Sensor Kit
- DIY Electronics Smoke Detector
- Smoke Detection Alarm Assembled Kit
- Buy Smoke Detection Alarm Kit Online
7 reviews for Smoke Detection Alarm DIY Experiments Science Project Model STEM KIT (Assembled, 100% Tested)
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✅ Orders leave warehouse in 1–2 days.
✅ Delivery within 5–10 days after dispatch.
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Vivek (verified owner) –
Best cost electronic components in India
Mayur (verified owner) –
Good quality.
Komal (verified owner) –
Online best cost electronic components
Vivek (verified owner) –
Very well worth the money.
Roma (verified owner) –
Good Kit
Lokesh (verified owner) –
I got my project done with these components Great Support
Roma (verified owner) –
I got my project done with these components Great Support