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Erik W <emailnot@spam.net>: May 12 08:42AM -0400 Have recently set up a small work bench with scope, signal generator and various other test equipment. The only magnifier I have is a glass I cannibalized from a broken "helping hands". The glass is mounted to one of those small snake lamps with the lamp removed. However, I find this more inconvenient than convenient because it takes up space I need for working.   What would you recommend for glasses that's cheap, has a built in light and maybe has variable magnification and mag is such that I can view a circuit board without bending down over the device? I suppose a flip up or away magnifier might be useful too. I don't wear glasses normally.   Thanks in advance.

"Peter W." <peterwieck33@gmail.com>: May 12 07:50AM -0700 https://www.quadhands.com/products/quadhands-led-3x-magnifier?variant=13492310573107   The magnetic base is extremely powerful, so it will attach to any steel base anywhere. It has a very good twin LED light and a very sharp magnifier. The flexes are quite strong and hold position very well. I wear glasses, so magnifying glasses are not a comfortable options, never mind the weight. Do be aware of the weight. It may not bother you at first, but anything more than an ounce or two *WILL* bother you over time. But, along those lines, are these:   https://www.amazon.com/Donegan-OptiVISOR-Headband-Magnifier-Magnification/dp/B0015IS6K2/ which come in a variety of magnifications. I am not sure if they come with built-in lighting.   Here is the full line. https://www.quadhands.com/collections/all   Note: Good tools are not cheap. And cheap tools are not good.   Peter Wieck Melrose Park, PA

Adrian Caspersz <email@here.invalid>: May 12 04:47AM +0100 On 11/05/2021 16:37, bob prohaska wrote: > (not stock) version of xoscope, which had to be recompiled to obtain > ALSA support. I'm inexperienced with both programs, so the behavior > is somewhat confusing but it does seem worth exploring further.   paste here the relevant output of the command   lspci -vv   -- Adrian C

"Max D." <allstar5497@gmail.com>: May 11 05:13PM -0700 On Tuesday, May 4, 2021 at 10:45:44 AM UTC-4, Peter W. wrote:   > https://alltransistors.com/mosfet/   > Peter Wieck > Melrose Park, PA   I just ordered a pulled 1M30D-060 from Dalbani which is based in FL. I've checked around and they appear to be a reliable source that has been around for ages. They're not fake proof but, apparently, when a problem occur, they're quick to dispatch a replacement.

bruce bowser <bruce2bowser@gmail.com>: May 11 02:48PM -0700 On Wednesday, May 5, 2021 at 2:35:19 AM UTC-4, Lucifer wrote: > >the wall socket a scope will show around 170 volts peak. > My signal generator is an all valve (four) unit and it works > from 5 Hz to 600 KHz.   Use your laptop as an oscilloscope (app) -- https://www.instructables.com/Use-Your-Laptop-as-Oscilloscope/

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