๐ ๏ธ MAKER GUIDEMay 14, 2026โขโฑ๏ธ 1 min readโข๐ณ๐ต Tested in Nepal
Autonomous Fire-Fighting & Extinguishing Mini Robot with Flame Sensor
Detect open flame hotspots, home in with differential steering, and activate a 12V water pump to extinguish flames safely.
๐ ๏ธ BILL OF MATERIALS (BOM)
Required Hardware & Component Checklist
Curated components verified for this project. Check the items you need, adjust quantities, and add straight to cart:
Estimated Total (5/5 items):
NPRย 1,960
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All parts selected
NPRย 540
(NPRย 180 ea)
NPRย 750
NPRย 350
NPRย 280
NPRย 40
Autonomous Fire-Fighting & Extinguishing Mini Robot with Flame Sensor
Equipped with Flame Sensor Modules (760nm-1100nm) and a TB6612FNG Dual Motor Driver, this robot locates fire sources and extinguishes them with a 12V Micro Water Suction Pump.
Hardware Bill of Materials:
- Flame Sensors: 3x Flame Sensor Module 760nm-1100nm Fire Source Detection
- Microcontroller: Arduino Nano V3.0 Solderless
- Motor Driver: Dual Motor Driver 1A TB6612FNG for Microcontroller
- Extinguisher Pump: 12V Micro Water Suction Pump
- Alert: Active Buzzer (5V)
Circuit Pinout & Wiring Connections:
| Component / Sensor Pin | Arduino Nano Pin | Function / Description |
|---|---|---|
| Left Flame Sensor DO | Pin A0 | Left Peripheral Fire Detector |
| Center Flame Sensor DO | Pin A1 | Direct Center Target Fire Detector |
| Right Flame Sensor DO | Pin A2 | Right Peripheral Fire Detector |
| TB6612FNG PWMA / PWMB | Pin D5 / Pin D6 | Left / Right Motor PWM Speeds |
| Water Pump Trigger Pin | Pin D12 (via Relay / MOSFET) | Switched 12V Extinguishing Nozzle Pump |
| Active Buzzer (+) | Pin D4 | Fire Incident Alarm Siren |
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