circuit for ultrasonic sensor using PIC18F452

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LIP
Posts: 2
Joined: 01 Oct 2010 04:08

circuit for ultrasonic sensor using PIC18F452

#1 Post by LIP » 01 Oct 2010 07:08

hi

can i use the circuit to produce 40khz for the ultrasonice sensor to work

can anyone explain the circuit, the part about buffer for the transmitter part and the amplifier for the receiver part but i dun understand the 4011 IC and the osc1 and osc2 for ?
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