Author Topic: obstacle detection ckt...  (Read 2023 times)

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Offline sambhavTopic starter

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obstacle detection ckt...
« on: May 15, 2007, 12:08:49 PM »
can anyone provide me a simple but reliable ckt for obstacle detection using ULTRASONIC SENSORS..???
i hv a got one...(shown below)..but it is not quite reliable ...and also the o/p is not satisfactory...
Any help will be appreciated...

Offline 555 timer chip guy

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Re: obstacle detection ckt...
« Reply #1 on: May 15, 2007, 12:17:45 PM »
I used the same circuit it made a wearied clicking noise if I hocked up a speaker to the output of the amplifier as I move my hand closer and farther away.

Offline Admin

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Re: obstacle detection ckt...
« Reply #2 on: May 15, 2007, 12:48:03 PM »

 


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