Ultrasonic Proximity Sensor with Arduino
Here is a simple example about how to use the Ultrasonic sensor to detect objects. Parts List Arduino UNO R3 (I use the Adafruit mount) One (1) HC-SR04 Ultrasonic Sensor One (1) Red LED, One (1) Green LED Two (2) 560 ohm (Green, Blue, Brown, Gold) Resistors (more…)
