a 5 V from the Arduino and the transmitter. He designed the receiver side with equal care. Conceptually the circuit there is simple, consisting of the ultrasonic receiver, followed by a transistor ...

[Andy] demonstrates building an ultrasonic anemometer using a cheap after-market parking distance sensor ... circuit surgery is required to remove the existing 8-pin microcontroller and wire in an ...

Finally, your Arduino toolkit will be incomplete if you don't purchase some sensor ... ultrasonic and IR modules are indispensable for robotics projects. For folks into electrical circuits ...