Short-Range Sonar with the BS2!

Posted on Feb 6, 2014

This project is best suited for use as a sensor on a robot. This circuit will actually allow you to measure distances from an object. It measures in a `unit` and it`s range is about 10 inches. As the receiver and transmitter, you will use an ultrasonic transmitter and receiver pair tuned to 40khz (see parts list below. ) The circuit is very easy to

Short-Range Sonar with the BS2!
Click here to download the full size of the above Circuit.

build, and you can build it on whatever you have laying around. I assembled it onto a Radio Shack pre-etched circuit board - and it only took up about an inch and a half square. Please note that the `Free Stamp Pin` in the schematics refer to the basic stamp i/o port that you connect that part of the circuit to. You will need to look out for the the three (! FREE STAMP PIN ` ` !)`s in the code, and change the X`s that accompany them to the correct i/o port number. Download the source code by

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