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I am making a high range and fast Obstacle detection system , HC-04 is slow for that, other sensor don't have the range and Lidar is too costly.

Any idea how to make a long range(more than 10m) high speed Obstacle detection system

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  • adafruit.com/products/3316 isn't the range, but is probably a lot faster. I don't think there is a solution that fits all your requirements.
    – Gerben
    Mar 28, 2017 at 9:41
  • Thanx for the reply but the rank is too short . Mar 29, 2017 at 11:07

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You can Use PIR Sensor which is Cost Effective and covers upto 10 Meters

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    Thanx for reply, but they doesn’t really detect the presence of an object, but rather the motion Offers no distance sensing capabilities Does not detect stationary objects Mar 28, 2017 at 7:18

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