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A simple light bulb change lead to disaster this morning.

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Warning! Nitric Acid is nasty stuff to play around with. I did this so you don’t have to! Do not attempt to do this yourself or you may end up dead!

So today I wanted to try and decapsulate some chips to see how they were laid out inside.

This was my first attempt. A Leapfrog L1000 arm chip.

Not sure if I etched everything off or this is some sort of copper obfuscation layer.

The other side looks like the standard back of a chip.

Next I attempted one of those custom glued down chips from a older leapfrog toy.

results were much better.

This is one really nice chip to look at :)

Some sort of die marking of who really made the chip. I couldn’t get a clear image of it.

This is at 500x zoom on my microscop

Next up I did a old DEC scsi chip

lastly a simple 8 pin eprom chip

I got the power wired up to day. Everything is good!

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Yes you read that right. I am mining bitcoins on my laptop :)

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I am in a really awesome Good Mood!

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So the other day the plugs in the bathrooms of my house were becoming intermittent with random tripping of the GFI breakers for no reason.

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When moogle is bored bad things can happen :D

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Been building a Lyman extrude to extrude my own filament.

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Having too much fun with the Tivax STB-T9. Feeling lazy but will add more details later here is what I’ve done so far.

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Found a command that generates a total dump of the system config and compiled settings

simply type pr

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