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

  • 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 '17 at 9:41
  • Thanx for the reply but the rank is too short . – SHILADITYA DEY Mar 29 '17 at 11:07

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 – SHILADITYA DEY Mar 28 '17 at 7:18

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