Heat Monitor. Sensor Circuit 12


You can make a simple Heat Monitor using only a few components. It can be attached to heat generating devices like Amplifier, Inverter and Computer. The sensor is an NTC Thermistor always monitor the heat in its vicinity and activates the alarm LED if the heat increases above the normal level.
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Simple Heat Sensor. Beginners’ Trial 1


Here is a 3 component Heat sensor. You can attach it with the heat generating devices like CD player, Inverter etc. When the heat inside the cabinet of the device increases above the set limit, buzzer beeps.
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Heat Sensor


This simple circuit acts as a warning device whenever the temperature exceeds the preset level in its vicinity. It is an ideal circuit to monitor the heat generating devices like PC, Inverter etc.

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