Thermostat controller integrated circuit schematic

  
As shown in Figure by the built-in temperature sensor to control the triac TC620 achieve .png">temperature control .
Thermostat controller integrated circuit schematic - schematic

Adjustment circuit Rp1 and Rn can be changed each point and the lower temperature limit temperature point, LED1 lights to indicate that the ambient temperature exceeds the lower limit of temperature control point, LED2 lights to indicate that the ambient temperature exceeds the upper limit of temperature points. Triac BCR rated current selection can actually be charged according to the size of the load power. .png">




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