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Old 01-11-2011, 03:10 PM   #1
Radiolocman Robot
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Default Discussion: A Cheap Ultrasonic Range Finder

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Do you need to add a distance sensor to your embedded project ? Build this simple ultrasonic range finder ! This quick & dirty PIC ultrasonic range finder will find a place in numerous projects : presence detector, robotics, car parking, distance measurement... With a few cheap components and less than 200 bytes of code, this sensor will work from 30 to 200 cm, around 1 cm accuracy, with underflow and overflow indication.
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Old 01-11-2011, 03:10 PM   #2
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And how to increase range of the distance sensor?
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Old 03-03-2011, 11:49 AM   #3
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i am doing ultrasonic range finder but the source code you provided error with that so i request you please send me the correct source code to the given email-mehermantu@gmail.com
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Old 03-14-2011, 03:08 PM   #4
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Can you tell me, and how you identify errors in source code. That tells the compiler?
You can see source code here
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Old 08-07-2011, 09:30 PM   #5
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I would like to quickly test this sonar hardware and software in the simplest version, i.e. without the complete hardware, just the PIC and the transceivers on an EasyPIC5 board.I did connect my ultrasonic transmitter directly to the PORT C2 and then try to check is there any signal on the ultrasonic receiver with the scope.I can't get any signal I can use, i.e. no echo.of course, my scope shows the right signal on the transmitter.the transmitter and the receiver are postioned as you described it, side by side.Could you help, please?
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Old 08-08-2011, 04:30 PM   #6
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You connect the transmitter directly to the PIC. And if you use the driver transistor circuit is there any change?
Check the connection of the microcontroller and the wiring diagram. Compiling without errors?
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Old 10-26-2012, 11:26 AM   #7
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hi,please help. i want to use the same project using a PIC16F627, that can measure a distance between 6m and 10m, with a delay of 1ms and a pulse of 40kHz
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