TheSoyaSogiee
Member • Oct 17, 2011
What's wrong with my circuit connections ?
![[IMG]](proxy.php?image=http%3A%2F%2Fi1091.photobucket.com%2Falbums%2Fi398%2Fchange1988%2FIMAG1112.jpg&hash=99e131d1f011e761f96d3f5df47af1d2)
![[IMG]](proxy.php?image=http%3A%2F%2Fi1091.photobucket.com%2Falbums%2Fi398%2Fchange1988%2FIMAG1110.jpg&hash=a616d594450cb5b42fa4633520fb75b6)
![[IMG]](proxy.php?image=http%3A%2F%2Fi1091.photobucket.com%2Falbums%2Fi398%2Fchange1988%2Fcircuitdiagram.png&hash=1556de0dae5edde7d009de0efccd1e25)
I had troubleshoot the whole thing but still unable to find the fault out. Anyone can help me?
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I had troubleshoot the whole thing but still unable to find the fault out. Anyone can help me?
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Replies
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Member • Oct 17, 2011
In Simulation is it working properly?Are you sure? This action cannot be undone. -
Member • Oct 17, 2011
I can't get any waveform. The output waveform should be in square wave.
Any error for my connection ?Are you sure? This action cannot be undone. -
Member • Oct 17, 2011
I have one doubt at your potentiometer Connection. can you show your connection here. if possible one image of your hardware specially Potentiometer.TheSoyaSogieeI can't get any waveform. The output waveform should be in square wave.
Any error for my connection ?Are you sure? This action cannot be undone. -
Member • Oct 17, 2011
Try this circuit
![[IMG]](proxy.php?image=http%3A%2F%2Fwww.kpsec.freeuk.com%2Fimages%2F555mono.gif&hash=e72fc4b06ec3959469b97d37baa97893)
I have only doubt at your Potentiometer connection.Are you sure? This action cannot be undone. -
Member • Oct 18, 2011
Sorry I don't have the image for my connection due to no picture taking in my school lab.
But the potentiometer I'm using is something similar to the below.
![[IMG]](proxy.php?image=http%3A%2F%2Fimage.tradevv.com%2F2008%2F12%2F09%2Fbestelectronic_199924_160%2Fprecision-potentiometer-with-10-percent-resistance-tolerance-tcr-250ppm.jpg&hash=81785880d38d99e4c538b8dfafad06c7)
The connection is I left pin 3 out and did not make any connection to it. So the pin for the potentiometer I'm using is only pin 1 and 2.
I had make some modify to my previous circuit. But still no waveform.
![[IMG]](proxy.php?image=http%3A%2F%2Fi1091.photobucket.com%2Falbums%2Fi398%2Fchange1988%2Fcircuitdiagram-1.png&hash=722a6f8d86f8b97fb53fd93944e702c9)
Are you sure? This action cannot be undone. -
Member • Oct 18, 2011
Have you checked that your Value of Resistor is varying as you move the Potentiometer? Please check that first and for second option try the circuit i have posted.Are you sure? This action cannot be undone.