This project demonstrates how to use the DHT11 temperature and humidity sensor with Arduino. It reads real-time temperature and humidity values from the sensor and displays them on the Serial Monit ...

Real-Time Sensor Monitoring Dashboard using Ultrasonic and DHT11 sensors, with data visualization on Ubidots via MQTT. Monitor environmental parameters like distance, temperature, and humidity in real ...

Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.