(...) While i set up NXT-G to wait for a US detection i held a mini microphone right against the us transmitter, there seems to come a pulse from it every 6 ms. (URL) (19 years ago, 13-Oct-06, to lugnet.robotics)
(...) Unfortunately, you cannot operate a ultrasound sensor at this rate. I think it is much slower than this. Before you start a new "ping" you have to ensure that all the echoes from distant devices on first ping have been received before starting (...) (19 years ago, 6-Sep-06, to lugnet.robotics)