hevans1944's latest activity
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hevans1944 replied to the thread power.PCB design often (always, actually) occurs post circuit design, mainly because it is difficult if not impossible to layout component... -
hevans1944 replied to the thread Newbie Advice Needed Please.Hmmm. Yet another drive-by poster who is only looking for a "quick answer" and is unwilling to enter into a discussion. If I were...
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hevans1944 replied to the thread RF-ID advice needed.The key parameter that you need is the position of the train: "...when a train enters & leaves an area", An RF-ID will NOT accomplish...
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hevans1944 replied to the thread issue with homemade DC motor + hall effect sensor.The A3144 has an open-collector NPN transistor output. This needs to be directly collected to the MOSFET gate input and pulled up with a...
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hevans1944 reacted to Harald Kapp's post in the thread JK Flip-Flop Toggles Twice from One Button Press with
Thanks.
very much likely insufficient debouncing possibly, but not necessarily definitely Here's a comprehensive text on debouncing. -
hevans1944 replied to the thread JK Flip-Flop Toggles Twice from One Button Press.I just now found one of my missing "round tuits" and read the paper linked to in @Harald Kapp's first response. Very nice analysis of...
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Before soldering, You can try this hack. Insert the Cable: Carefully slide the ribbon cable into the FPC connector. Shim the Cable: Cut...
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hevans1944 replied to the thread JK Flip-Flop Toggles Twice from One Button Press.The only "bullet-proof" way to de-bounce a manually-operated switch is to use a SPDT switch wired to control a simple set/reset flip...
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It is how you read it:
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hevans1944 replied to the thread Comedy Thread.@Delta Prime: Technically, with two front wheels and one rear wheel, your pedal bicycle is a tricycle.
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After many years of trying to find steady work, I finally got a job as a historian until I realized there was no future in it.
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Actual conversation overheard in my first day working in the electronics laboratory. Engineer 1: My girlfriend wants me to go line...
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