Picture 1 : Circuit From Week 1 has been constructed.
For this week, i manage to construct the circuit but apparently the circuit couldn't pick up the input and amplify the input.I tried to troubleshoot the circuit and reconstruct whether i there are short circuit or some faulty.
Apparently, i detected that it is because the input from the piezoelectric sensor is to small and need to be amplify. In order to produce the output using earphone and the amplifier from the circuit didn't amplify correctly.
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