This project demonstrates the interfacing of an Infrared (IR) sensor with the Arduino UNO R4 WiFi to detect obstacles in real-time. It utilizes digital signal processing to monitor the environment and ...

A minimal example that reads a digital IR (obstacle/proximity) sensor on pin D2 and lights the onboard LED (pin 13) when an object is detected. The project is configured to build with PlatformIO for ...

The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...

The sendEmail () function is responsible for triggering the email alert when an object is detected. A secure Wi-Fi client is ...

Havana Syndrome, social media on trial, and the secrets of the AI Forum Lucy Worsley returns with more sensational true crime cases of women that kill. Copyright 2026 ...