Assalamualaikum..
This week, we have doing a pre-label of our circuits. we start with a
description for our project's block diagram. The picture that we have
upload below is our block diagram. we combined two circuit Ultra Sonic motion and Ic timer..
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| Block Diagram |
Reffering the data sheet we using the filter to analyzed the
wave signal that being receive by the ultrasonic receiver circuit.Then Op-Amp- was used
to amplify the current from the filter.Relay received
output current from Op-Amp and react as alarm circuit
switch to on ar off.After that, HEX
Inverter -reflected wave
was detected and receives by the ultrasonic sensor receiver. 40KHz
crystal- was generated by the 40 kHz crystal with
the help of the HEX Inverter.
To produce the
output, we have a little bit of problem, we had a confuse either we want
to produce our output using speaker police siren or any others speaker. So for the
output, we need to hold it process first, and we will decide it after
having a discussion with our supervisor, Madam Naszariah. and her told to us the important is not in force we must understand that our projects do..
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