This heatsink temperature monitor circuit signals via 3 LEDs when the temperature exceeds 2 boundary levels. When the heatsink temperature is below 50 … 60 o C (122 … 140 o F) the greed LED lights.

This circuit can be used to determine the core temperature of your PC’s CPU and display it on a monitor (Fig. 1). Installing such a circuit can help to ensure that your system’s cooling is ...

Temperature Monitor Circuit Diagram. Advertisement. Partner Content. Hybrid Matrix LED Driver Technology. 07.09.2025. Seven Powerful Reasons Why Menta eFPGA Is the Clear Choice for A&D ASICs.