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Temperature and LEDs Answered

Is there a way to control a group of LEDs or even an RGB LED with some sort of temperature sensor/thermometer? I'm new to electronics and wanted to know if you could have a Red LED glow when something relatively hot/warm was near and have a Blue LED glow when something relatively cold/cool was near by. I'm new to electronics and was just curious

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NachoMahma
NachoMahma

11 years ago

. You need a comparator to select which LED to light.
. Search for something like "RTD circuit" or RTD schematic" to see how to get a signal to the comparator.