The circuit was simulated in TinkerCad. This circuit can be used along with robot wheels so that they robots can change directions automatically if they face an obstacle. The circuit components are 2 ...

Clone or download this repository to your local machine. Open the Arduino IDE or compatible software. Connect your Arduino board to your computer via USB. Open the ...

Posted in Arduino Hacks Tagged adafruit wave shield, arduino, ultrasonic, ultrasonic distance sensor, wav shield ← Fabricate Your Own 7-Segment Displays Easy Capacitive Touch Sensors In Eagle → ...

Instead, it relies on an ultrasonic distance sensor to detect a hand (or foot) waved in front of the door. An Arduino Leonardo runs the show, sounding a buzzer when the ultrasonic sensor is triggered.