Introduction: How to Make a Obstacle Detector

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sense obstacle in path...

Step 1: Material Required

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we need
1-photo sensor
1-piece of small wooden slab
some wire for connection
some adhesive fix sensor's

Step 2: Fixing of Photo Sensor

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fix the photo sensor in front of led.. as in pic with help of adhesive on wooden slab

Step 3: Connection

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connect the photo diode, led,and battery in forward biased.

Step 4: Now Your Photodetector Is Ready

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whenever you you put any thing between photodiode and led ....
the led will automatically turn off due to intruption in light..... photodiode conductivity depends on intensity of light..
sorry for any mistakes ...

I can't be able to explain it's ...process

Step 5:

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Karthik Raj (author)2014-11-22

nice... thanks for sharing this amazing idea..!!!

seamster (author)2014-11-21

Very interesting! Thanks for sharing this project.

About This Instructable




Bio: scientist
More by ashwinisinha:How to Make a Robotic Car at Homehow to make a r.c robotic car at homeHow to Make a Obstacle Avoiding Robot
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