I have a variable power control that I built for an electric blanket. The control itself has a variable resistor in the top of the case and, for simplicity, I just marked the top of the metal case at various points with a permanent magic marker signifying different power levels as the variable resistor is turned. However, the only way to see the adjustment is by turning on the room light at night and since this awakens me a bit, I need to find a better way.
At first I was looking at some of that fluorescent paint that is first illuminated under normal room lighting for a period of time to charge it and then supposedly it glows throughout the night, but I can't seem to find any cheap paint with 8 hour+ specs.
Any thoughts would be welcome here and thanks in advance.
At first I was looking at some of that fluorescent paint that is first illuminated under normal room lighting for a period of time to charge it and then supposedly it glows throughout the night, but I can't seem to find any cheap paint with 8 hour+ specs.
Any thoughts would be welcome here and thanks in advance.