Basically i have a signal voltage , ( Minimum 0V , Maximum 5V) Coming from a simple potentiometer voltage divider , which i want to use to change the intensity of an LED (in a vactrol). the problem is that from 0v to 3v the LED does not light up. therefore i want to change the 0v-5v signal into a 3v-5v signal.
one way of doing it might be to replace the GND in the voltage divider to a 3 volt potential. but i did not want to take this option.
any idea on how this can be tackled?
thanks in advance
one way of doing it might be to replace the GND in the voltage divider to a 3 volt potential. but i did not want to take this option.
any idea on how this can be tackled?
thanks in advance