🛠️ MAKER GUIDEJun 17, 2026•⏱️ 1 min read•🇳🇵 Tested in Nepal
Precision Automatic Poultry Egg Incubator Controller with DHT22
Achieve high hatch rates with automated temperature regulation, DHT22 humidity monitoring, and SSR heating control using Ghumti Pasal components.
🛠️ BILL OF MATERIALS (BOM)
Required Hardware & Component Checklist
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Estimated Total (6/6 items):
NPR 2,340
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NPR 750
NPR 600
NPR 330
NPR 120
NPR 500
NPR 40
Precision Automatic Poultry Egg Incubator Controller with DHT22
Maintain exact 37.5°C incubation temperatures with the DHT22 Sensor, Solid State Relay (SSR), and 1602 LCD Display on an Arduino Nano.
Hardware Bill of Materials:
- Microcontroller: Arduino Nano V3.0 Solderless
- Climate Sensor: DHT22 Digital Temperature and Humidity Sensor AM2302
- Heater Switch: 1 Low Current DC Control AC Solid State Relay Module 5V
- Air Circulation: 3 Inch 12V DC Fan
- Display & Alarm: 1602 (16x2) LCD Display I2C + Active Buzzer (5V)
Circuit Pinout & Wiring Connections:
| Component / Sensor Pin | Arduino Nano Pin | Function / Description |
|---|---|---|
| DHT22 DATA | Pin D2 | Chamber Temp & Humidity Telemetry |
| SSR Relay IN | Pin D6 | Zero-Cross AC Heating Element Trigger |
| 12V Circulation Fan | Pin D7 (via TIP120 Transistor) | Continuous Laminar Airflow |
| 1602 LCD SDA / SCL | Pin A4 / Pin A5 | I2C Telemetry Screen |
| Active Buzzer (+) | Pin D8 | Over-Temperature (>38.5°C) Alarm |
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