Monday, July 6, 2015

Infra red or not

Today I received two IR power leds. One transmits light on 850nm and the other at 950nm.
The idea is to make a spotlight to illuminate the target card with infra red light.
Why??? First it would be nice to to have a light on the card that is not visible for others.
Another idea I have is that it could work better with a black bulls eye. Since we use the same target cards as sight shooters I think it's better.

This are the parts I going to use: