Users interested in 32 bit arduino generally download:
Generate, compile and upload programming code to any compatible Arduino board for testing and subsequent modification or adjustment. Uno, Nano, Mega, Esplora, Ethernet, Fio, Pro or Pro Mini, as well as LilyPad models of Arduino boards are accessible.
Additional suggestions for 32 bit arduino by our robot:
Pinguino is an Arduino-like electronics prototyping platform.
is an Arduino-like electronics...different 8- and 32-bit Microchip microcontrollers