Here are the datasheets of piezoelectric ultrasonic sensors and of integrated circuits used for the realization of our circuits:

Datasheet download
| Component | Datasheet | 
|---|---|
| Piezoelectric ultrasonic sensors | MA40S4 with its Application Manual | 
| Amplifiers | TL084 | 
| Inverting buffer | HEF 4049BF | 
| Inverting Schmitt trigger | HEF 40106BP | 
 
 
 
	