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20 Apr 2008
This circuit measures temperature in Celsius scale and displays it on an alphanumeric LCD screen
When temperature rise to 40 C an alarm is activated and at the same time a relay is also activated which
drives a fan to keep the temperature at a level. Another feature of this circuit is that you can use the keys “1,2,3,4″ of a Philips TV IR remote to turn on or off three relays, The key ’4′ is used to turn on or off the over temperature alarm.
IR Digital Thermostat for FAN - [Link]
One Response to “IR Digital Thermostat for FAN”
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December 9th, 2009 at 10:45 am
Can you use the ir technology in your tv remote to created an ir thermometer?