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unkown ultrasonic sensor

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noyes

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ssqc sq-40r

i have an ultrasonic reciever written on it [ssqc SQ-40R ]AND the transmitter [ssqc SQ-40T] .
I couldnt know anything about it because i couldnt get the datasheet .
am going to design an ultrasonic ranger using pic16f877a and some amplifires

please help
thx
 

sq-40t datasheet

It is impossible to count all companies producing these kind of sensors . Just use them as others do .

Worth to find frequency of transmitter - bring them together face to face , connect scope to the receiver's pins and energize transmitter by generator(even 5 V will be enough) , then tune the frequency till maximum signal level on scope screen will be shown. Note the frequency to use same in your project.
 

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    noyes

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sq40t data sheet

looks like a 40Khz tx/rx pair try to confirm as artem said.
 

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    noyes

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ssqc sq40t

thanx for help
but do you know a good website related to my project , i mean using pic to design ultrasonic ranger
 

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