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Hi I'm looking for ideas on an update to a resistivity meter for archaeology. The only published designs for diy were in 2 magazines. One was published in 1997 and the other in 2003. I have copies of both articles available. The reason behind this is the current high cost of available equipment, usually well beyond the reach of most archaeological… (Show more)
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I had indicated I would try to test whether masks cause us to increase our CO2 intake so here are my results and thoughts. I noticed when I am wearing a mask, I am re-breathing some of my exhaled air, simply by the fact that inhaled air in a mask is hotter than fresh air without a mask. When a person breathes in air it is roughly 78 percent… (Show more)
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I can easily understate that this has been crazy. Four to six months ago for a lot of people, the scenario we're in now was unbelievable.   Over those months, members of the Community stepped up with fantastic suggestions, projects, activities and intentions. Especially in the areas of personally protective equipment.   Now that we're still in… (Show more)
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Testing and debugging is sometimes performed best in the time-domain (voltage versus time). This is the primary realm of oscilloscope measurements. But sometimes there are advantages in performing measurements in the frequency-domain (power levels versus frequency). This is the primary realm of spectrum analysers. Oscilloscopes can often mimic…
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I'm currently doing a roadtest for the UltraZed-EV and I've seen references to application software and libraries that are used to control the VCU in the VCU TRD for the ZCU106.  I can't seem to locate that any of that software (vcu_gst_app, vcu_qt, vcu_gst_lib, etc).  If it would work or if I could modify it to work with the UltraZed-EV it would… (Show more)
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Hi all,   I've seen quite a few recent posts with people seeing USB 2.0 speeds / connectivity when using the MPSoC.  I wanted to let you know that after scouring the interwebz, I think I've pooled enough information together to try to help you with your issues. If you are already familiar with USB 3.0 and transceivers, you can skip to the end! … (Show more)
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After putting out my initial review on the kit, I somehow felt the review to be a little incomplete, since the star of the show was the organic photovoltaic (OPV) panel and I didn’t really do much to test the panel on its own. The design of the kit doesn’t make it easy to test the panel independently of the harvesting circuit, but that doesn’t… (Show more)