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I have one of those systems; and it has just one problem. You cant tell if the receiver is crossing the buried wire going out of the enclosed space, or inward. (The dog got shocked going both ways) The receiver output would be active only while the receiver is within ~1ft of the wire.Sure! Purchase one of those RF pet fence systems. Hack the dog collar to extract the receiver. Modify its output to drive a relay or mosfet to the kill the R/C's battery power. Mount it on your R/C car.
Yup! And those systems are not cheap.......For this application, the relay/mosfet would have to latch...
I have one of those systems; and it has just one problem. You cant tell if the receiver is crossing the buried wire going out of the enclosed space, or inward. (The dog got shocked going both ways) The receiver output would be active only while the receiver is within ~1ft of the wire.
For this application, the relay/mosfet would have to latch...