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Description
This Myst-related project has required an insane amount of miniaturisation. Here's just a couple of examples.

Top left: A power supply consisting of two double-sided multi-layer PCBs sandwiched together, with chips on all four sides. Provides 4 different output voltages simultaneously with 94% efficiency. Compare this in size to 4 wall-wart power supplies.

Top right: A power cable that originally plugged into a USB port. I didn't have space for another USB plug (or even somewhere to stash the looped cable) so I cut it off & wired it directly into the +5V & ground lines.

Lower left: Another USB cable, but this one was shortened to under 20cm/8". The plug was still too big so the insulation around the head was cut right back, allowing the cable to make a tighter turn.

Lower right: A male:male 15-pin adaptor plug. Around a tenth the size of a single normal 15-pin plug you see on the end of a cable, yet there's two plugs in this one.

The most important part of this photo is the fact that two of these things were still too large. I couldn't spare even the width of the adapter plug in the lower right so I had to resolder the plug's terminals, and the power cable in the upper right was still too large to fit (even with the unneeded cable just looped around).

Description
This Myst-related project has required an insane amount of miniaturisation. Here's just a couple of examples.

Top left: A power supply consisting of two double-sided multi-layer PCBs sandwiched together, with chips on all four sides. Provides 4 different output voltages simultaneously with 94% efficiency. Compare this in size to 4 wall-wart power supplies.

Top right: A power cable that originally plugged into a USB port. I didn't have space for another USB plug (or even somewhere to stash the looped cable) so I cut it off & wired it directly into the +5V & ground lines.

Lower left: Another USB cable, but this one was shortened to under 20cm/8". The plug was still too big so the insulation around the head was cut right back, allowing the cable to make a tighter turn.

Lower right: A male:male 15-pin adaptor plug. Around a tenth the size of a single normal 15-pin plug you see on the end of a cable, yet there's two plugs in this one.

The most important part of this photo is the fact that two of these things were still too large. I couldn't spare even the width of the adapter plug in the lower right so I had to resolder the plug's terminals, and the power cable in the upper right was still too large to fit (even with the unneeded cable just looped around).