An IoT-based person counting system using ESP32 and HC-SR04 ultrasonic sensor. The system detects the presence of a person, increments the count, and uploads real-time occupancy data and distance measurements to the cloud for monitoring and analysis.

Temperature and Humidity Sensor Testing

XYZ

水耕系统

IoT navigation stick for visually impaired

Sledování kompresoru CO2 - žlutá LED

ANALYSIS BABY CRYING LIKE REASONS

Used to read data from DHT11 sensor to write the temperature and humidity values

used to read the data from DHT11 sensor to write the temperature and humidity values

Тургеневка

Tages Erzeugung

Environmental driving factors