Markus’ Blog

Archive for April, 2009

SMD Adapters

by on Apr.18, 2009, under Electronics

SOIC-8 SMD chip in DIL-8 adapter

These days some of the coolest ICs are only available in SMD packages, e.g.

  • the fast SSP FRAM FM25256B-G and
  • the famous USB to RS232 converter chip FT-232.

For me as a hobbyist that’s a problem, because I don’t have the equipment to etch PCBs, and I want to develop my circuits on breadboards.
(continue reading…)

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2-digit RGB Geek Clock

by on Apr.13, 2009, under Electronics

2-digit geek clock

I am still not sure what project to use my rgb 7-segment display for. There were some very interesting ideas posted to the Hackaday forum. I like matthiasrs idea most: A 2-digit clock, using the red LEDs for hours, the green ones for minutes and the blue ones for seconds.

In order to get a better idea, rather then implementing it in hardware I wrote a little simulation as Java applet. Have a look and see how hard or easy it is to identify the time :-)

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7-Segment RGB-LED

by on Apr.10, 2009, under Electronics

DIY RGB 7-segement display

RGB 7-segment display

7-segment LEDs are available in red, green, yellow and blue (maybe even in white?). There don’t seem to be any in RGB though, so if you want to dynamically use different colors in your project you either have to use multiple devices or use a different technology.

So this seemed like an opportunity for a nice DIY project: Why not take an existing 7-segment display, remove the original LEDs and add some RGB ones? (continue reading…)

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Hello World!

by on Apr.10, 2009, under Uncategorized

Today I started my new blog.  I would like to post about my DIY projects, as well as about my software project JavE.

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