ULTRASONIC LEVEL SENSOR THINGS TO KNOW BEFORE YOU BUY

Because the sensor consumes 20mA and we only need to have it being on when looking at knowledge in the sensor, we are able to feed the sensor employing one of the electronic pins around the Arduino board. To do that, set the desired pin as an output and switch on/off the sensor pin by pulling it High/Small.The Water Level Sensor is really an effici