Should I treat them like a normal speaker
You can feed the transmitter with a 40KHz waveform for sustained output, or you can just kick them (Pulse) and they will ring at the resonant frequency. The receiver, yes just like a mike.
Should I treat them like a normal speaker
You can feed the transmitter with a 40KHz waveform for sustained output, or you can just kick them (Pulse) and they will ring at the resonant frequency. The receiver, yes just like a mike.