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What about 2014++ ?

By jCoder On 26. December 2014 · Leave a Comment

A very short review on 2014

Well, actually only about this blog ;)

While a lot has happened in tech, only very few things happened here on this blog: only one posting (excluding this one) and some comments – for which I’m very thankful, by the way.

I did not have any interesting stuff to […]

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Netduino Plus 2 (NETMF) and WS2812 RGB LEDs

By jCoder On 12. January 2014 · 7 Comments

Some weeks ago I got some Adafruit NeoPixel, a compact RGB LED module. Each LED module has a WS2812 chip that only needs three wires: power, ground and data. The data protocol is self-clocking, at a rate of 800KHz. The LED modules can be chained to build longer LED stripes. (For more details see the […]

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More Raspberry Pi Awesomeness: GPIO & Java

By jCoder On 17. March 2013 · Leave a Comment

I’ve been playing with the GPIO capabilities of the Raspberry Pi before using Python, which comes with easy GPIO access for the Raspberry Pi.

Java 8 for ARM

As I’m yet not very familiar with Python I got excited when Oracle accounced Java 8 for the ARM platform, so I downloaded the JDK […]

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Raspberry Pi & GPIO & LCD = awesome

By jCoder On 18. December 2012 · Leave a Comment

Do you remember the LCD display? I’ve connected it successfully to an Arduino lately, so when I got my Raspberry Pi some days ago it was just a matter of time to try connecting the two:

I followed the nice instructions […]

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Arduino PWM in slow motion

By jCoder On 7. October 2012 · Leave a Comment

Although I’m mostly working with the “normal” digital input / output on the Arduino, it might be a good idea to play with the PWM output, too, just to have a basic knowledge about it if needed.

I’ll not go too much into detail about the theoretical background of PWM (highly suggesting you to read […]

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New open source project: jspinfo

By jCoder On 5. October 2012 · Leave a Comment

Just some shameless self-promotion:

I recently uploaded my 3rd open-source project to SourceForge.net. It’s called jspinfo() and – for all of you who are familiar with PHP – it’s like phpinfo() but as a JSP file.

So, if you are a developer and you need some information about some common server settings, then […]

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ATtiny45 meets 74HC595

By jCoder On 22. September 2012 · Leave a Comment

Earlier today I’ve been following the Arduino Tutorial for driving a 74HC595 shift register which turned out to work pretty well.

In short, a shift register is an electronical component that can be controlled using 3 wires to change the output of 8 pins, or even more when two or more shift registers […]

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