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Interesting things. By Lee Davison. |
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SubjectsJust some things I like or find interesting.
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My telephone. The gilt metal is just gold coloured metal, the bakelite is some more modern plastic but the onyx is real onyx so the handset alone weighs over 500g. |
A disassembled MC68HC908 based remote control of some sort. |
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What do you get when you jam the optical drives from an emachine 3220 into a Dell 4600? You get Cylon! |
Old switch mode PSU transformers in various stages of being recycled into something new. |
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I could sit and watch this for hours. | This was the company satellite truck and I drove it once - over a fencepost. Never felt a thing, snapped the four inch post off clean. Oops! |
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This is the LED backlight from a broken LCD panel. It didn't take much to get it to light. |
If you reverse bias the BE junction of a bipolar transistor far enough it will break down and start to conduct. What you don't see though is it also glows like a very poor LED at the same time. This is a BC107 glowing. |
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This is typical of what you find in one of those cheap phone car charge adapters. The circuit is lifted straight from the MC34063 application note. |
Another phone car charge adapter. This is a 'universal' version and is a little more complex. One of the additions is a voltage set resistor in the plug for each phone type. |
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There I was sitting quietly when what must be one of the last remaining spiders since the arrival of the house guest, ran out into the middle of the floor. I just had time to grab one quick shot, with my fingertips for scale, before it scarpered. |
I ground the top and bottom off an optoisolator just to see what's inside. A lot of stuff you can't quite see through it seems. |
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A bleeding edge piece of video conferencing technology, from the last millenium. |
Two shrink DIP 68000 CPUs next to a standard 0.1 inch lead pitch 68000 DIP. |
Last page update: 26th January, 2013. | e-mail me
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