A standard electret microphone can detect sub-audio "sounds" when some simple equalization circuitry is added.

Keep in mind that for both the transmitter and receiver the connections with the Arduino are the same. You can also make connections with the help of the image given below. Connect the data pin of the ...

This project provides ROS drivers for Bosch Off-Highway sensor systems. (Radar Off-Highway Premium, Radar OHW, General Purpose Radar Off-Highway (GPR), Ultrasonic Sensor System OHW Entry & Premium) ...

This project provides ROS drivers for Bosch Off-Highway sensor systems. (Radar Off-Highway Premium, Radar OHW, General Purpose Radar Off-Highway (GPR), Ultrasonic Sensor System OHW Entry & Premium) ...