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Mahad Ahmed mahad-ahmed

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@Pietruz3000
Pietruz3000 / Fur Elise - Arduino Buzzer
Created April 16, 2017 13:20
This is the program for arduino of the song "Fur Elise". You can play it with an arduino, a buzzer and, if you want, a led. Enjoy the program! :)
// Musical Notes
#define NOTE_B0 31
#define NOTE_C1 33
#define NOTE_CS1 35
#define NOTE_D1 37
#define NOTE_DS1 39
#define NOTE_E1 41
#define NOTE_F1 44
#define NOTE_FS1 46
#define NOTE_G1 49
@kirkegaard
kirkegaard / opengl_vs_directx.mdown
Created June 30, 2011 00:17
The Tale of OpenGL vs. Direct3D

The Tale of OpenGL vs. Direct3D

Many of the answers here are really, really good. But the OpenGL and D3D issue should probably be addressed. And that requires... a history lesson.

And before we begin, I know far more about OpenGL than I do about Direct3D. I've never written a line of D3D code in my life, and I've written tutorials on OpenGL. So what I'm about to say isn't a question of bias. It is simply a matter of history.

Birth of Conflict

One day, sometime in the early 90's, Microsoft looked around. They saw the SNES and Sega Genesis being awesome, running lots of action games and such. And they saw DOS. Developers coded DOS games like console games: direct to the metal. Unlike consoles however, where a developer who made an SNES game knew what hardware the user would have, DOS developers had to write for multiple possible configurations. And this is rather harder than it sounds.