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If you are interested in building a function generator, you might like the AD9833, which is a DDS (direct digital synthesis) function generator chip from Analog Devices. [url]...
Friday, 21 January 2011 - 18:54
Decoupling Capacitor on Vcc Pin
Atmel has a neat application note on that topic called: "AVR042: AVR Hardware Design Considerations", good stuff...
Friday, 21 January 2011 - 18:32
Analog opto-isolators?
As mentioned by Kas, an isolation amplifier like the ISO124 might work for you. There is a neat application note from TI, search for "app note iso124", which shows a design of a...
Friday, 21 January 2011 - 18:09
RGB LED Tetris
Hi Hexorg, nice work, man! May I ask you which type of RGB-LEDs you bought? How much did one of them cost? Keep up the good work! JoKet
Saturday, 15 January 2011 - 14:58
T-tris: the Tetris - Clone - Project
Thanks for the datasheet, Plons! :-) These RGB-Moduls are really nice... Do you have the Datasheet for the Red-Matrix at hand? I can't find them at your link...
Friday, 15 August 2008 - 17:17
T-tris: the Tetris - Clone - Project
your right, but according to the "datasheet.jpg" on each dot has two LED in series.
Friday, 15 August 2008 - 09:24
T-tris: the Tetris - Clone - Project
Is there a datasheet or device name available for the 60mmx60mm matrix? Forward voltage and f_current would be good to know. I guess V_f is approx. 4.2V and I_f = 10mA... Since...
Thursday, 14 August 2008 - 17:04
T-tris: the Tetris - Clone - Project
Thanks, and ok, I admit it... The coding and debugging took me one day (like 12 hours straight, thanks to my new coffee machine), but soldering the prototype took me like 20 hours...
Wednesday, 13 August 2008 - 09:39