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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 FANĀ – [Link]

One Response to “IR Digital Thermostat for FAN”

  1. help Says:

    Can you use the ir technology in your tv remote to created an ir thermometer?

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