| ??? 08/05/03 10:15 Read: times |
#52128 - RE: Long range proximity sensing Responding to: ???'s previous message |
Ultrasonic should solve your problem.
Keep in mind that at such a distance, wind turbelance can interfear your readings! RADAR is THE solution for this problem. It's not that hard to do, and well documented on the internet. Have fun building your device. |



