I am using a 5vdc ww to supply power to a LM317 circuit. In between the ww and the LM317 I have a resistor and led to indicate that power is coming from the ww. I would like to increase the apparent brightness of LED so it is more visible however I don't want it to be visible flashing. What is the simplest way to do this so that I can order appropriate parts from Digikey. I was thinking of a LM555 however I would definitely need assistance in a schematic. Any other suggestions? Please keep everything very simple as my skills are extremely limited.