Any suggestions for a good driveway sensor?

[rcjordan]

I'm using the Mighty Mule magnetometer mentioned here.

Driveway sensors not using motion detectors?

I've looked through the forum and checked the approved devices, but I did not seeing much on driveway detectors. Because of wildlife in the yard, motion is out. I've ordered a Mighty Mule magnetic sensor to play with. They get decent-to-good reviews and are about 1/3rd the price of Dakota. My driveway arrangement looks good for placing one of these magnetic sensors. There's a hack out there soldering the receiver to a contact sensor, so if the MM actually turns out to be any good, it could be…