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All my own design and construction! The LVD circuit using a MAX8212 voltage sensor and a P-channel high-side power MOSFET is the first time I've actually used a FET this beefy.
Download full - FREE to download and use! (c)
(Mechanoids): laptop DC power switchover unit for mains or solar PV plus 12V LVD low voltage disconnect plus optoisolator sensors and USB digital input board constructed on stripboard and in transparent plastic boxes closeup 1 DHD.jpg
D= [Aug 11, 2007]; S=3MB, 3264x2448; T=JPEG image [MIME:image/jpeg].

Key: D= file date of exhibit; S= size in bytes, XxY pixels, etc; T= type of exhibit; L= location/time or viewpoint of exhibit (if known).

  • closeup = close-up/macro; tightly framed and imaged at a relatively large scale


Preview Index

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laptop ~ closeup 1 DHD.jpg
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laptop ~ closeup 2 DHD.jpg
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laptop ~ closeup 3 DHD.jpg
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laptop ~ closeup 4 DHD.jpg
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laptop ~ closeup 5 DHD.jpg

About This Category

Facets of mechanical devices and automation; machines of all sorts (though mainly man-made) including robots and computers.

You might like to visit 2001: A Space Odyssey (A Shrine), which includes tiny excerpts of HAL's famous utterances...

Some Similar Exhibits

ThumbnailExhibit Name
[5MB]laptop DC power switchover unit for mains or solar PV plus 12V LVD low voltage disconnect repurposed to drive NiMH battery charger as dump load 1 DHD.jpg (Mechanoids)
[2MB]laptop 20V DC power switchover unit for mains or solar PV based on 24V relay partially constructed on stripboard and in small transparent plastic box closeup 1 DHD.jpg (Mechanoids)

Yes, I haven't quite got the hang of this new-fangled non-lead (Pb-free) solder yet. The joints are dire: at least one turned out to be completely duff/dry.

 


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