LED project

hello all, I'll appreciate any help that you guys can provide me with this small design. I am open to any suggestions, i want to make a text fixture that when you input different exact voltage readings you obtain an visual LED light. For example if you were to input 5 volts exact with a little tolerance a LED will light up .. that's it. I was thinking a simple LED circuit but if the voltage is 4.80 i need another LED to light up. Could i use a transistor to control the LED when only a particular voltage is fed?

look up a voltage divider circuit, you could use a transistor to turn things on at the various voltages then

Hi Raphaelriv,

Try this one, the only limitation is that the voltage drop of
the red led should be lower than the voltage drop of the
green led.

on1aag.

re:

thanks guys! great help