Figure 2. Ultrasonic sensor block scheme [4]

From

Distance Measurement via Using of Ultrasonic Sensor

Michal Kelemen, Ivan Virgala, Tatiana Kelemenová, Ľubica Miková, Peter Frankovský, Tomáš Lipták, Milan Lörinc

Journal of Automation and Control. 2015, 3(3), 71-74 doi:10.12691/automation-3-3-6