Questions tagged [range-detector]

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Ultrasonic range finder with single transducer

I would like to make an ultrasonic range finder with a single transducer. The reason for only one transducer is because I'm limited in the amount of space I have for what I'm sensing. I've purchased ...
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Detecting the distance of my dog to the food bowl

When one of my dogs sneaks to another dog's food bowl, I want to be notified so I can stop it. I have EZ430-RF2500 (msp430) development kit. Is it suitable for such project? I also have Arduino so I ...
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Detecting both short and open circuit voice coils in coil driver

I'm building a voice coil driver for a science experiment. The coils are in an environment where both coil shorts and coil open circuits are common problems. I'd like to build in a fault indicator to ...