Reverse engineering car parking sensors
James decided to reverse engineer car ultrasonic parking sensors. These sensors have integrated electronics that handle all the measurements. They are connected to the car’s internal computer via a low-speed single wire CAN network. James provides pinouts, protocol interface, and some source code to interface with them.
Since I know a thing, or two, about ultrasonic sensors and systems, I thought I would give back to the community with some insights. There are many millions of ultrasonic sensors produced each year for the vehicle manufactures. To date, I don’t see any of these sensors getting reused by the hacker community. I’m guessing this is simply due to a lack of understanding of these sensors. The automotive ultrasonic sensors would make great hobbyist’s sensors. The sensors are almost indestructible as compared to the hobbyist sensors I see used today. Below are a couple of advantages of the automotive ultrasonic sensors.
Via the forum
This entry was posted in DIY, hacks and tagged hack, parking sensor, Ultra sonic.
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