The DHT11 sensor, in combination with Arduino, provides a reliable and efficient way to measure temperature and humidity. The project demonstrates the sensor’s practicality in various real-world ...

This project employs components like the DHT11 sensor, a buzzer, fan, GSM module, 16x2 LCD, water valve, and an Arduino Uno to manage temperature and humidity levels. The system automatically triggers ...

A DHT11 monitors the temperature and humidity. A charge circuit and lithium battery provide power. Finally, the watch displays the date, time, and other data with an LCD from a Nokia 5110.

Components Required 1. Arduino Uno – x2 2. nRF24L01 – x2 3. 3.3V Adapter Board for nRF24L01 Wireless Module – x2 4. DHT11 5. OLED display 6. Jumper wires 7. Breadboard – x2 Overview of nRF24L01 Module ...