marco.mauro
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@beyaso Thank you for sharing your results. This is an analytical, detailed, and clear examination of the openQCM Q-1 measurement performances. This will help definitely people working with openQCM. Discussion part 1 frequency: the first observa…
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Hey @MattH688 sounds great I'd love to officially support your development of openQCM python software on Raspberry Pi Linux OS. this is an important goal, indeed you have created a simple and low-cost system completely dedicated to the openQCM d…
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@Thomas I think the problem is caused by python installation on windows, sometimes it's tricky. I also have 20 gigs of RAM and 4 core processor your computer configuration seems ok to me, definitely. by using pyinstaller we've recently develope…
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There is a way to expand the window for the range of the peak. You need to manually change the source code file: constants.py which is located here: ...\openQCM_Q-1_py_v2.1\OPENQCM\openQCM\core\ check the following code lines [112, 137] #--…
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Hi, it is possible to modify the source code so that you can use 6 MHz. It is quite simple, but you need to modify several points in the source code. Here the instructions: the cource code files you need to modify are: * constants.py * Cal…
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Hi Rick, we can continue the discussion here, it will help others to learn more about this subject. Indeed, in the openQCM device calibration test, we measure frequency and dissipation variation caused by the passage from air to water, when one …
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Hi Rick, it is a good result that the frequency vs dissipation experimental data shows linear correlation that passes through the origin I'd need more information to figure out your results and check the calculation. particularly what kind of liq…
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thank you for the feedback L10_fundamental parameter is the left frequency side starting from the peak frequency.
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you're welcome, please let me know if the patch works fine for you
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Hi Rick, there is a way to change or adjust the measurement range, that is by changing the lower frequency of the frequency sweep range. It is necessary to do that by slightly change the python code. Browse to the openQCM Q-1 directory ...\op…
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Yes you are right. openQCM circuit consists of a quartz crystal oscillator circuit in Pierce configuration. The frequency output is measured by the arduino microcontroller. It is really interesting to calculate the voltage we must apply to QCM sen…