i like to use a LM35 solderd to an ATtiny13, which talks via a single cable...
the LM35 needs an analog pin and is quite accurate...
that should work with an arduino and UART/Ethernet, too...
i like to use a LM35 solderd to an ATtiny13, which talks via a single cable...
the LM35 needs an analog pin and is quite accurate...
that should work with an arduino and UART/Ethernet, too...