Uploading the Blink Sketch to your Arduino board allows you to verify that your Arduino Board is connected to your computer, and that your configurations are right.
With an HC-SR04 and a Piezo Buzzer you can create an audio distance sensor like the one many cars have for backing up. Functional Parts in the Project: Arduino Uno – https://store.arduino.cc/usa/arduino-uno-rev3 HC-SR204 Ultrasonic Sensor – https://amzn.to/31AGgYC […]
The DHT11, 21 and 22 Sensors can be used to determine both temperature and humdity. Note: Make sure to comment/ uncomment the right sensor in setup Links: Adafruit DHT Library – https://github.com/adafruit/DHT-sensor-library Functional Parts in […]