Zero ~= regular Pi Runs Linux $30 AUD 512mb RAM No HD (requires uSD card) 3cm x 7cm
Pico ~= Arduino No OS, just one Python/C++ script $16 AUD 520kb SRAM 4mb flash 2cm x 5cm
Zero ~= regular Pi Runs Linux $30 AUD 512mb RAM No HD (requires uSD card) 3cm x 7cm
Pico ~= Arduino No OS, just one Python/C++ script $16 AUD 520kb SRAM 4mb flash 2cm x 5cm