Guest kikerts Posted March 5, 2014 Report Share Posted March 5, 2014 Hello!I would like to make control circuit for heater. Heater function is to protect device from too low temperature(<0 C). My idea is to make it without temperature sensor and it sense temperature only from the heater resistance changes. The heater works with AC about 70-100V. Is it posible if resistance changes for 10 celsius amplitude only for about 10 ohms? Some variants I find in internet but in these circuit are used temperature sensors:http://sicimatic.blogspot.com/2013/10/electronic-smart-heater-controller.htmlhttp://www.final-yearproject.com/2009/02/hvac-thermostat.html#.UxeoEvl_u3SWhat did you can suggest? Thank you! Quote Link to comment Share on other sites More sharing options...
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