Temperature Sensitive Switch, Heat Activated Switch Using CA3140 Op-Amp
Temperature Sensitive Switch is a simple project which operates a relay when the temperature in a particular area goes above a set point. This circuit is built using CA3140 Op-amp and NTC temperature Sensor. Input : 12 VDC @ 50 mA Range : 30 °C to 60 °C Relay output : SPDT relay Onboard preset to set the level Relay
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