Simple thermostat to switch a fan on and off.
C++ Other

README.txt

avr-thermostat
(c) Karl-Martin Skontorp ~ kms@skontorp.net ~ http://22pf.org/
Licensed under the GNU GPL 2.0 or later.
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A simple thermostat built with an AVR, FET, LM335 and two pots for setting the
thresholds.

See also: http://22pf.org/2011/09/fan-thermostat-with-an-avr/