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Nice instructable.I would like to make some modifications in the code. I want to count with a push-button and also remove the trailing zeros (if number is 594, the display should be 594 not 0594). What changes should I make. I tried to go thru your code but, I could not track where the number is increasing. Would you please be kind enough to help me out.

HiI have used the offline circuit.jar simulator for last 5 years or so but recently after an update, probably of Java, on my computer it has stopped working. The initial screen would show the LRC circuit. After a blank circuit I cannot add anything. Moreover, previously I could simply save/open my data files (without import/export) but now not possible.Has anybody faced this problem and got any solution?

I just want to be sure of the construction of the PVC pipe. Here I attach a diagram of what I understood from the details. Please let me know f I got it right? By the way, what is the use of the panty hose diaphragm?

Can you provide some more details about the construction of the pitot tube? The diameters, the distances a, b, e; the heights c & d. Here is the diagram of the tube what I understand from the details provided herein. Please let me know if I understood it correctly?

I was wondering if I can use two separate pressure sensors like MPS20N0040D could be used to get differential pressure?

I think you have labelled the tubes wrong. If the impact tube is to be perpendicular to the flow direction it should be (b) and the static tube should be (a).

Great idea!

DP pin on the display to be connected to QH?

Arif Sb. the lens could be found in DVD drive's sled.

You could have googled for sled. Anyway, here the sled means the DVD sled in which the laser diode and the lens are housed.