Interfacing an Ultrasonic Sensor with Arduino: Measures distance to an object using an HC-SR04 ultrasonic sensor. LED Flowing Lights: Creates a flowing or chasing LED effect like a marquee or Knight ...

This project uses an HC-SR04 ultrasonic sensor and Arduino UNO to measure the distance of objects in both centimeters and inches. The measured data is displayed on an I2C LCD. The project was ...

In this review of the Maker Uno RP2040 board with the Arduino IDE we could blink LEDs, control RGB LED lights, press the user button to turn on one LED or make the buzzer output some melody, control a ...