UNO got 20 I/O pins, Mega2560 got 60+
Two UNOs can do this (they need a single digital line as a sync singal)
...........
you need a another set (uno+shield)
or: Mega2560 and a prototyping board+pin connectors (make a 'shield' of your own)
UNO got 20 I/O pins, Mega2560 got 60+
Two UNOs can do this (they need a single digital line as a sync singal)
...........
you need a another set (uno+shield)
or: Mega2560 and a prototyping board+pin connectors (make a 'shield' of your own)