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Member Since 08 Sep 2013
Offline Last Active Jun 04 2014 07:59 AM

Topics I've Started

Large led matrix (Max7219)

04 June 2014 - 08:04 AM

I'm trying to get a led matrix working, 12 x 12 leds. Yesterday i get a Max7219 and it works pretty good i think :).
The only problem is, the Max7219 only supports 8 rows / columns and i got 12 rows / columns.
The second thing is i'm using RGB leds...
My question is if there is any 12x12 (or more ofcourse) led matrix driver, and is it possible to control RGB leds with it?

Good 74HC595 SPI example

25 April 2014 - 06:16 PM


Request full TLC5940 example

15 October 2013 - 08:07 PM

Hey all,


I'm already a few days bussy to get a TLC5940 working but till now, i don't get any results and im feeling dumb :P.

Ofcourse i used the examples on the forum here and googled but still no results.


Can somebody please help me with a wiring diagram + working code, this would be great because all i need is a start so i see results.



Help with PWM

08 September 2013 - 03:09 PM



I'm trying to color an RGB led with 3 PWM channels. I can color the led a few colors but i'm not sure this is exactly what i want.


In my code i need to set a frequency and cycle duration. But what do they do? I set them 10000 and 0, and figured out that by changing the duty cycle i can color my leds a bit. Is it possible to make more colors by changing the frequency? Or how are these values working together?


static PWM ledR = new PWM(PWMChannels.PWM_PIN_D11, 10000, 0, false);



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