These LF0108 chips look pretty interesting tho - 8 channel bidirectional voltage translator with 64 mA pass through. It seems like one could make a cheap adapter shield with 3 of them, that allows any 3.3v Arduino to accept 5V shields.
These LF0108 chips look pretty interesting tho - 8 channel bidirectional voltage translator with 64 mA pass through. It seems like one could make a cheap adapter shield with 3 of them, that allows any 3.3v Arduino to accept 5V shields.