Arduino Shields are add-on boards for Arduino Boards to allow for additional functionality.
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 […]
Analog Soil Moisture Sensors allow you to determine how dry soil is and then trigger an event such an LED turning , or a water pump being turned on. Note: Give the sensor a few […]