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Adding armbian supported boards to meta-sunxi Yocto (updated)

Intro Yocto is the necessary evil. Well, this post is quite different from the others, because it’s more related with stuff I do for living, rather fun. Still, sometimes they can be fun, too; espe...

Driving an ILI9341 LCD with an overclocked stm32f103 (updated)

Intro LCDs… I think LEDs and LCDs are probably the most common wet dream of people who like playing with embedded. I mean, who doesn’t like blinking LEDs and furthermore who doesn’t like to draw g...

Adding macros to CuteCom

Updated at 30.03.2019: Now I’ve implemented a plugin system that more plugins can be added in cutecom. Intro The last years I’m only using Linux to my workplace and since I’ve also started us...

Joystick gestures w/ STM32

Intro Time for another stupid project, which adds no value to the humanity! This time I got my hands on one of these dirt-cheap analog joysticks on ebay that cost less than €1.5. I guess that you ...

GCC compiler size benchmarks

Intro Compilers, compiliers, compilers… The black magic behind producing executable binaries for different kind of processors. All programmers use them, but most of them don’t care about the inte...

container_of()

Intro A small post for one of the more beautiful and useful macros in C. I consider the _container_of()_macro to be the equivalent of the _Euler’s identity_for the C language.Like the Euler’s iden...

C++ vs C for embedded

Intro Hi all! Well… I won’t write about a stupid project this time. I’ll write just my opinion about this endless debate between embedded engineers (usually old and new ones). The reason to debate...

Hacking an RS232/485 to ETH board

Intro It’s time for another stupid project. This time we’ll do some hacking and by that I mean that we’ll take an already existing device and alternate it to do something else. A couple of years a...

FPGA digital clock

Intro It’s been quite a long time since the last stupid project. This why summer holidays should be prohibited. Holidays cunningly change your mindset so fast and so deep that is really hard to sw...

Sine generator using stm32f407 internal DAC and PCM5102A

Intro Welcome to another completely stupid project! This time I’ll show you how to implement a sine generator using a dirt cheap stm32f407 board. It really doesn’t make any sense to just build a ...