The provided Arduino code performs the following actions: Initializes pins and serial communication. Measures the distance using the ultrasonic sensor and calculates the distance in centimeters.

An Arduino parking sensor based on Ultrasonic HC-SR04 and LED 8x8 Matrix MAX7219 (TopDown Version) - 13/arduino-parking-sensor-topdown. An Arduino parking sensor based on Ultrasonic HC-SR04 and LED ...

The set-up process is very simple, and best understood by referring the wiring diagram. If everything goes right,you should see the burning eye of the red LED when there is no object in the safe-zone ...

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 ...