You've seen Grumpy Mike's example? http://www.thebox.myzen.co.uk/Hardware/Mini_Monome.htmlIn his schematic you'd assumedly be skipping the switch and diode that he has associated with each LED, and also note that all of the R/G/B channels should be connected vertically.
Also, would this scale to 7x7 okay?
QuoteAlso, would this scale to 7x7 okay? I scaled it to 8X8 in my HexomeWith one TLC5940 per colour so that you can have separate current control allowing you to balance the colours.
Should I still use 15k resistors?
QuoteShould I still use 15k resistors?Where?
Yes those are pull down resistors for reading the switches. That circuit uses the same matrix scanning that lights the LEDs to scan for key depressions at the same time.
The Arduinome_4X4_RGB.pde fails to compile (error: 'PD6' was not declared in this scope)
#define PORTB _SFR_IO8 (0x05)/* PORTB */#define PB7 7#define PB6 6#define PB5 5#define PB4 4#define PB3 3#define PB2 2#define PB1 1#define PB0 0#define PORTD _SFR_IO8 (0x0B)/* PORTD */#define PD7 7#define PD6 6#define PD5 5#define PD4 4#define PD3 3#define PD2 2#define PD1 1#define PD0 0
I connected the 5940's together as per the playground article* which seems to differ slightly from Grumpy Mike's schematic
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