DHT22 sensor projects
Final-year project topics built with DHT22 sensor — working builds, abstracts and honest quotation pricing.
Automatic Room Fan Speed Controller with Temperature and Humidity Sensor
This project builds an automatic fan speed controller that adjusts a room fan's speed to the measured temperature and humidit...
Egg Incubator Temperature and Humidity Monitor with Hatch Dashboard
This project builds a connected egg incubator: an ESP32 holds the chamber at hatching temperature with a DHT22 sensor and a P...
IoT Biogas Digester Monitor with Methane, Pressure and Temperature Sensing
This project builds a monitor for a small biogas digester that watches three signals: methane concentration, gas pressure and...
IoT Plant Propagator with Automatic Heating and Mist Control
This project builds an ESP32-based plant propagator that holds a growing chamber at the right temperature and humidity on its...
IoT Terrarium Controller with Day-Night Cycle Simulation
This project builds an ESP32-based controller for a glass terrarium or vivarium that simulates a natural day-night cycle: a r...
Local-LLM Home Controller using ESP32, MQTT and Ollama
This project builds a home controller where an ESP32 senses room temperature and humidity and drives a 4-channel relay board...
Smart Seed Germination Chamber with Soil and Climate Monitoring
This project builds a smart germination chamber that watches the three things seeds actually care about: soil moisture, tempe...